Analysis of Surface Area and Pore Size Distribution in Biochar
Biochar and other carbonaceous materials obtained after thermochemical modification processes
like pyrolysis, torrefaction,
hydrothermal carbonization or gasification typically develop a
honey-comb porous configuration.
This very complex network of pores allows these carbonaceous materials to be potentially used to produce: soil amendment; activated carbon;
carbon molecular sieves; catalysts during the production of advanced biofuels; or as media for upgrading the production of biogas.
However, not all pyrolysis processes result in a competitive porous material. This is because there are numerous variables that can impact the porosity of the sample. These include: the type of feedstock, the pretreatment, process conditions, the presence of ash or condensates clogging the pores, and the selected activation method. Therefore, a sample obtained after pyrolysis-like processes needs to be analysed to determine its surface area and pore size distribution in order to reveal the true porous nature of the sample and its most suitable application. We determine the surface area and pore size distribution of carbonaceous samples using a Quantachrome NOVA-e Series 2200e analyser which has been designed to satisfy the procedures outlined in EBC (2012-2022) 'European Biochar Certificate - Guidelines for a Sustainable Production of Biochar.' European Biochar Foundation (EBC), Arbaz, Switzerland. Version 10.1 from 10th Jan 2022.
However, not all pyrolysis processes result in a competitive porous material. This is because there are numerous variables that can impact the porosity of the sample. These include: the type of feedstock, the pretreatment, process conditions, the presence of ash or condensates clogging the pores, and the selected activation method. Therefore, a sample obtained after pyrolysis-like processes needs to be analysed to determine its surface area and pore size distribution in order to reveal the true porous nature of the sample and its most suitable application. We determine the surface area and pore size distribution of carbonaceous samples using a Quantachrome NOVA-e Series 2200e analyser which has been designed to satisfy the procedures outlined in EBC (2012-2022) 'European Biochar Certificate - Guidelines for a Sustainable Production of Biochar.' European Biochar Foundation (EBC), Arbaz, Switzerland. Version 10.1 from 10th Jan 2022.
The surface area of the samples is determined by the Brunauer-Emmett-Teller (BET) method which is the most well-known technique for accurate determination of the surface area of
carbonous materials, together with a micropore BET Assistant AI tool that helps us to improve the accuracy of the analysis.
We also determine the pore size distribution of the samples by the Quenched Solid Density Functional Theory (QSDFT) which is a method that, coupled with computer simulations, provides an accurate description of micro- and mesoporous carbons based on the sorption and phase behaviour of fluids in narrow pores on a molecular level. Furthermore, we provide an interpretation of the sample isotherm for supporting the data obtained from the surface area and pore size distribution analysis.
Click here to read in more detail about these different analysis methods.
We also determine the pore size distribution of the samples by the Quenched Solid Density Functional Theory (QSDFT) which is a method that, coupled with computer simulations, provides an accurate description of micro- and mesoporous carbons based on the sorption and phase behaviour of fluids in narrow pores on a molecular level. Furthermore, we provide an interpretation of the sample isotherm for supporting the data obtained from the surface area and pore size distribution analysis.
Click here to read in more detail about these different analysis methods.
Biochar Applications Based on Surface Areas and Porosities
Low Surface Areas
- Defined as a surface area of less than 250 m2/g.
- Soil Amendment - Biochar as a soil additive can improve the fertility, chemistry, and microbial community of the soil. Biochar also contains major and minor elements that are beneficial for plant growing such as nitrogen, potassium, calcium and phosphorus. In addition, biochar can moderate acidic soils, and can also improve the cation exchange capacity of the soil.
- Combustion - Virgin biomass has low heating values due to its high moisture, low energy density, high bulk density, and hygroscopic nature. However, pyrolysed biomass like biochar has higher calorific value and therefore can be used as a solid biofuel for heat and electricity generation.
- Construction Material - Such biochar can be used as a material additive for the construction sector and has the potential to both reduce the high carbon footprint of construction materials as well as to upgrade the physical properties of common construction materials such as thermal conductivity, low flammability and chemical stability.
- Batteries - Biochar with low surface area have the potential to be used for lithium-ion batteries or for the production of supercapacitors. Moreover, amorphous carbons like biochar can be used for making anodes in silicon batteries. Likewise, graphitic carbon nanosheets that are a high added-value product used in electronic devices.
Moderate Surface Areas
- Defined as a surface area of between 250 and 500 m2/g.
- Plant Growth Promotion - Biochar mixed with soil and compost reduces the bulk density of the soil and increases soil porosity and water holding capacity which improves plant growing rates and ultimately crop yield. Moreover, moderate to high surface area biochar holds water for a longer time reducing the irrigation cycles needed per season.
- Composting - Biochar as a compost additive enhances the water holding capacity and aeration of the compost which accelerates the compost production time. Furthermore, biochar has also been used for reducing the gas emissions from the compost which significantly reduces the bad odours associated with domestic compost production.
- Water Treatment - Such biochar can also be used for purifying domestic water in developing countries lacking safe and continuous water supplies. Additionally, biochar can be used to remove pollutants from water, including bacteria, methylene blue, organic waste and inorganics like phosphates and nitrates.
- Tar Removal - During pyrolysis recalcitrant pollutants known as tars are produced. These tars represent a problem since they can cause blockages in the downstream pipelines of the pyrolysis equipment. However, biochar can potentially be used as a catalyst for reducing the formation of such tars.
High Surface Areas
- Defined as a surface area of more than 500 m2/g.
- Pollution Cleanup - Biochar with a high surface area has an adsorption capacity comparable to activated carbon, which makes it suitable as a remediation agent for removing heavy metals such as iron, lead, copper, zinc, and cadmium. However, it should be considered that biochar's absorption capacity not only depends on its surface area because its chemical structure defines its chemical affinity which it's a critical factor for the efficiency of the application.
- Air Cleanup - Biochar can be used as a purification agent in air purification systems for heavy indoor pollution like in the case of industrial activities.
- Capture of CO2 - High surface area biochar can also be used for capturing and storing carbon dioxide through physisorption by making use of biochar for designing carbon nanotubes or carbon molecular sieves.
- Biodiesel Production - Biochar can also be used as a catalyst during the transesterification and esterification process of turning waste oil into biodiesel for alleviating system contamination from pollutants such as sulphur deposition.
- Anaerobic Digestion - High surface-area biochar can also be used in anaerobic digestors for removal of H2S from the combustible gases matrix. Removal of H2S is critical for upgrading the production of biogas. In addition, biochar can improve the hydrogen and methane percentage in the biogas. On the other hand, biochar can also be used in anaerobic digestion for controlling the presence of heavy metals which can represent a threat for the microbial community of the digestor.
We have a variety of different analysis packages for determining the surface area and pore size distribution of biochar samples.
These packages differ in the number of datapoints collected and in the gas(es) used.
The smallest number of datapoints that can be collected are 5 (in analysis package P360) which is insufficent to determine the pore size distribution of the sample. However, package P364 uses 20 datapoints and package P366 uses 40 datapoints, allowing for the analysis of porosity, with an increasing number of datapoints providing improved accuracy in the surface area and porosity analysis.
The analysis can also be done using CO2 as the absorbate for getting an even higher resolution description of the smallest micropores (less than 1.5nm) which are commonly present in carbonaceous materials, such as biochar or activated carbons.
At Celignis we provide highly comprehensive reports for the surface-area and porosity analysis of samples. These reports are provided online, on the Celignis Database, as soon as we obtain the results, as well as in detailed Excel and pdf reports that are provided once the order has been completed. The Celignis Database includes interactive charts, like the examples provided on this page, as well as detailed summary statistics. The final reports also incldue these results along with interpretations of the data, personally written by trained members of the Celignis team.
The smallest number of datapoints that can be collected are 5 (in analysis package P360) which is insufficent to determine the pore size distribution of the sample. However, package P364 uses 20 datapoints and package P366 uses 40 datapoints, allowing for the analysis of porosity, with an increasing number of datapoints providing improved accuracy in the surface area and porosity analysis.
The analysis can also be done using CO2 as the absorbate for getting an even higher resolution description of the smallest micropores (less than 1.5nm) which are commonly present in carbonaceous materials, such as biochar or activated carbons.
At Celignis we provide highly comprehensive reports for the surface-area and porosity analysis of samples. These reports are provided online, on the Celignis Database, as soon as we obtain the results, as well as in detailed Excel and pdf reports that are provided once the order has been completed. The Celignis Database includes interactive charts, like the examples provided on this page, as well as detailed summary statistics. The final reports also incldue these results along with interpretations of the data, personally written by trained members of the Celignis team.
Our packages that quantify surface area in biochar are listed below:
Particle Size, Bulk Density, Specific Surface Area (Nitrogen Gas Adsorption), BET Isotherm (40 Point Using Nitrogen), Pore Volume (Using Nitrogen), Pore Size Distribution (Using Nitrogen), Pore Size Distribution (Using CO2), BET Isotherm (20 Point Using Carbon Dioxide), Specific Surface Area (CO2 Gas Adsorption), Pore Volume (Using CO2), Average Pore Width (Using Nitrogen), Average Pore Width (Using CO2)
Thernogram - Under Nitrogen, Thermogram - Under Air, Moisture, Inherent Moisture, Ash Content (815C), Carbon, Hydrogen, Nitrogen, Sulphur, Oxygen, Organic Carbon, Inorganic Carbon, Chlorine, Volatile Matter, Fixed Carbon, Specific Surface Area (Nitrogen Gas Adsorption), Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium, Gross Calorific Value, Net Calorific Value, Ash Shrinkage Starting Temperature (Reducing), Ash Deformation Temperature (Reducing), Ash Hemisphere Temperature (Reducing), Ash Flow Temperature (Reducing)
Feel free to get in touch with us if you have any questions about
our analytical services regarding the determination of surface area and pore size distribution in biochar samples. Relevant members of the
Celignis biochar team
will be happy to assist. Those team members with the most experience with undertaking these tests and interpreting the resulting data are listed below.
Edgar Ramirez Huerta
Biochar Project Developer
MSc
Has taken a major role in developing Celignis's capabilities for biochar analysis and project development. His thesis covered the evaluation of high value applications for high-carbon materials.
Kassiani Pliatsika
Plant-Growth Applications
MSc
Passionately believes in biochar for a sustainable bioeconomy. Involved in the development of our tests for assessing the soil-amendment potential and plant-growth effects of biochar.
Global Recognition as Biomass and Biochar Experts
Celignis provides valued services to over 1000 clients. We understand how the focus of biochar projects
can differ between countries and have advised a global network of clients. We also have customs-exemptions for samples sent
to us allowing us to quickly get to work no matter where our clients are based.
Feedstock Evaluation
Our analysis packages can screen biochar feedstocks. We can estimate biochar yield and quality
using feedstock chemical composition and can estimate biochar composition using the ultimate and major/minor elements analyses of the feedstock.
With TGA analysis we can also monitor feedstock behaviour under pyrolysis conditions.
Biochar Production
We can produce biochar samples from your feedstocks using a wide range of
temperatures, heating rates, and residence times. We can formulate a Design of Experiments (DoE) to study the effects of varying process parameters on
biochar yield and quality and can optimise these outputs according to your desired biochar market applications.
Biochar Analysis
We have an extensive array of analysis packages to evaluate the suitability of biochar for a range of applications. These analyses cover
properties relevant to combustion, soil amendment, feed, and biomaterials. Our reports compare the results against internationally-recognised limits for using the biochar in specific end-products.
Biochar Combustion Properties
Biochar can be a superior fuel versus virgin biomass due to its greater carbon content and energy density.
We offer a wide array of analysis packages to fully evaluate biochar as a fuel. For example, we can determine both organic and inorganic carbon and can
monitor the behaviour of the biochar ash over wide temperature ranges.
Soil Amendment & Plant Growth Trials
We can test biochar for several properties (e.g. water holding capacity, electrical conductivity etc.)
relevant to its use in soil amendment. We can also grow plants in biochar-amended soils and assess the impacts of this approach on germination, plant growth, plant
health, and soil biology.
Analysis of PAHs in Biochar
Polycyclic aromatic hydrocarbons can be formed during the pyrolysis of biomass and accumulate in biochar,
leading to potential risks to the environment. We can accurately quantify a range of different PAHs and determine if their concentrations
exceed regulatory limits. We can also develop strategies to reduce the amount of PAHs in biochar.
Thermogravimetric Analysis of Biochar
TGA is a powerful analytical technique for the study of biochars because it allows us to
examine the thermal stability of the material as a function of temperature. The thermal stability of biochars is an important factor to
consider when evaluating their potential use as a soil amendment or for carbon sequestration.
Biochar Upgrading
There are several different methods (covering physical, chemical and biologial routes) by which we can upgrade your
biochar in order to increase its value and make it more suitable for the desired market applications. We are able to fully characterise the changes
in physicochemical properties associated with upgrading.
Biochar for Carbon Sequestration
Biochar's efficacy as a means for sequestering carbon depends on a range of factors (e.g. feedstock
and pyrolysis conditions). We can undertake a range of analytical tests to help you determine the stability of your biochar's carbon. We can also
suggest alternative approaches to improve carbon sequestration potential.
Technoeconomic Analyses of Biochar Projects
Our TEA experts work with you to evaluate the economic prospects of your biochar facility,
considering various scale, technology, and feedstock options. We apply accurate costing models to determine CAPEX/OPEX of simulated and pilot
scale processes which are then used to determine key economic indicators (e.g. IRR, NPV).
Research Project Collaborations
Celignis is active in a number of important research projects focused on biomass valorisation. Biochar
is a key component in some of these ongoing projects as well as in several prior projects. We are open to participating in future collaborative
research projects where our extensive infrastructure and expertise in biochar can be leveraged.
See our pitches for the 2023 topics.
Special Offer
Analysis Packages
P8 : Lignin Content
Lignin (Klason), Lignin (Acid Soluble), Acid Insoluble Residue, Ash (Acid Insoluble),
Lignin (Klason), Lignin (Acid Soluble), Acid Insoluble Residue, Ash (Acid Insoluble),
P19 : Deluxe Lignocellulose Package
As P10 plus protein-corrected lignin, water-soluble sugars, uronic acids, acetyl content and starch.
As P10 plus protein-corrected lignin, water-soluble sugars, uronic acids, acetyl content and starch.
P15 : Uronic Acids
Glucuronic Acid, Galacturonic Acid, Mannuronic Acid, Guluronic Acid, 4-O-Methyl-D-Glucuronic Acid,
Glucuronic Acid, Galacturonic Acid, Mannuronic Acid, Guluronic Acid, 4-O-Methyl-D-Glucuronic Acid,
P121 : Evaluation of Biomass for Enzymatic Digestibility
Total Sugars in Enzyme Hydrolysate, Glucose in Enzyme Hydrolysate, Xylose in Enzyme Hydrolysate, Arabinose in Enzyme Hydrolysate, Mannose in Enzyme Hydrolysate, Galactose in Enzyme Hydrolysate, Rhamnose in Enzyme Hydrolysate, Cellobiose in Enzyme Hydrolysate, Enzymatic Hydrolysis Kinetics, Cellulose Conversion Yield, Xylan Conversion Yield, Combined Sugar Yield, Cellulose Conversion Rate, Xylan Conversion Rate,
Total Sugars in Enzyme Hydrolysate, Glucose in Enzyme Hydrolysate, Xylose in Enzyme Hydrolysate, Arabinose in Enzyme Hydrolysate, Mannose in Enzyme Hydrolysate, Galactose in Enzyme Hydrolysate, Rhamnose in Enzyme Hydrolysate, Cellobiose in Enzyme Hydrolysate, Enzymatic Hydrolysis Kinetics, Cellulose Conversion Yield, Xylan Conversion Yield, Combined Sugar Yield, Cellulose Conversion Rate, Xylan Conversion Rate,
P122 : Evaluation of Pre-Treatment on Enzymatic Digestibility
As P121 plus comparisons with data from the non-pretreated original sample, including: Increase in Cellulose Accessibility after Pre-Treatment, Percent Increase in Cellulose Conversion Efficiency, Percent Increase in Cellulose Conversion Rate.
As P121 plus comparisons with data from the non-pretreated original sample, including: Increase in Cellulose Accessibility after Pre-Treatment, Percent Increase in Cellulose Conversion Efficiency, Percent Increase in Cellulose Conversion Rate.
P123 : Composition of Residue from Enzymatic Hydrolysis
As P9 but on the solid residue after enzymatic hydrolysis.
As P9 but on the solid residue after enzymatic hydrolysis.
P124 : Fermentation Inhibitors in Enzymatic Hydrolysate
Formic Acid, Acetic Acid, Levulinic Acid, Furfural, Hydroxymethylfurfural,
Formic Acid, Acetic Acid, Levulinic Acid, Furfural, Hydroxymethylfurfural,
P125 : Cellulase Saccharification Efficiency
Includes all hydrolysate sugars and kinetics in P121 and: Cellulose Conversion Yield, Cellulose Conversion Rate
Includes all hydrolysate sugars and kinetics in P121 and: Cellulose Conversion Yield, Cellulose Conversion Rate
P126 : Xylanase Saccharification Efficiency
Includes all hydrolysate sugars and kinetics in P121 and: Xylan Conversion Yield, Xylan Conversion Rate
Includes all hydrolysate sugars and kinetics in P121 and: Xylan Conversion Yield, Xylan Conversion Rate
P127 : Amylase Saccharification Efficiency
Total Sugars in Enzyme Hydrolysate, Glucose in Enzyme Hydrolysate, Maltose in Enzyme Hydrolysate, a-Amylase Hydrolysis Kinetics, Glucoamylase Hydrolysis Kinetics,
Total Sugars in Enzyme Hydrolysate, Glucose in Enzyme Hydrolysate, Maltose in Enzyme Hydrolysate, a-Amylase Hydrolysis Kinetics, Glucoamylase Hydrolysis Kinetics,
P12 : Sugars in Solvent Extract
Glucose, Xylose, Fructose, Sucrose, Mannose, Arabinose, Galactose, Rhamnose, Xylitol, Sorbitol, Trehalose, Mannitol, Arabinitol, Glycerol, Raffinose,
Glucose, Xylose, Fructose, Sucrose, Mannose, Arabinose, Galactose, Rhamnose, Xylitol, Sorbitol, Trehalose, Mannitol, Arabinitol, Glycerol, Raffinose,
P22 : Organic Acids and Furans
Levulinic Acid, Formic Acid, Hydroxymethylfurfural, Furfural, Acetic Acid, gamma-Valerolactone,
Levulinic Acid, Formic Acid, Hydroxymethylfurfural, Furfural, Acetic Acid, gamma-Valerolactone,
P24 : Dimers and Trimers from Hemicellulose Hydrolysis
Xylobiose, Xylotriose, Arabinobiose, Arabinotriose,
Xylobiose, Xylotriose, Arabinobiose, Arabinotriose,
P29 : Oligomers from Starch Hydrolysis
Maltose, Maltotriose, Maltotetraose, Maltopentaose, Maltohexaose, Maltoheptaose, Maltooctaose,
Maltose, Maltotriose, Maltotetraose, Maltopentaose, Maltohexaose, Maltoheptaose, Maltooctaose,
P15 : Uronic Acids
Glucuronic Acid, Galacturonic Acid, Mannuronic Acid, Guluronic Acid, 4-O-Methyl-D-Glucuronic Acid,
Glucuronic Acid, Galacturonic Acid, Mannuronic Acid, Guluronic Acid, 4-O-Methyl-D-Glucuronic Acid,
P75 : Seaweed Phytohormones
Gibberellic Acid, Indole-3-acetic acid, Indole-2-acetic acid, Indole-3-propionic acid, Indole-3-butyric acid, 6-Benzylaminopurine, Kinetin riboside, Abscisic acid, Salicylic acid,
Gibberellic Acid, Indole-3-acetic acid, Indole-2-acetic acid, Indole-3-propionic acid, Indole-3-butyric acid, 6-Benzylaminopurine, Kinetin riboside, Abscisic acid, Salicylic acid,
P76 : Seaweed Vitamins (Fat-Soluble)
beta-Carotene, Ergocalciferol (Vitamin D2), Alpha-tocopherol (vitamin E), Phylloquinone (Vitamin K1),
beta-Carotene, Ergocalciferol (Vitamin D2), Alpha-tocopherol (vitamin E), Phylloquinone (Vitamin K1),
P77 : Seaweed Vitamins (Water-Soluble)
Thiamine (Vitamin B1), Riboflavin (Vitamin B2), Niacin (Vitamin B3), Niacinamide (vitamin B3), Pantothenic Acid (Vitamin B5), Pyridoxine (Vitamin B6), Folate (Vitamin B9), Cobalamin (Vitamin B12), Ascorbic Acid (Vitamin C),
Thiamine (Vitamin B1), Riboflavin (Vitamin B2), Niacin (Vitamin B3), Niacinamide (vitamin B3), Pantothenic Acid (Vitamin B5), Pyridoxine (Vitamin B6), Folate (Vitamin B9), Cobalamin (Vitamin B12), Ascorbic Acid (Vitamin C),
P71 : Seaweed Carbohydrates
Fucose, Mannitol, Glucose, Xylose, Mannose, Arabinose, Galactose, Rhamnose, Total Sugars, Glucuronic Acid, Galacturonic Acid, Mannuronic Acid, Guluronic Acid,
Fucose, Mannitol, Glucose, Xylose, Mannose, Arabinose, Galactose, Rhamnose, Total Sugars, Glucuronic Acid, Galacturonic Acid, Mannuronic Acid, Guluronic Acid,
P72 : Seaweed Amino Acids
Alanine, Arginine, Aspartic Acid, Cystine, Glutamic Acid, Glycine, Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Proline, Serine, Threonine, Tyrosine, Valine,
Alanine, Arginine, Aspartic Acid, Cystine, Glutamic Acid, Glycine, Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Proline, Serine, Threonine, Tyrosine, Valine,
P36 : Major Elements
Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium,
Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium,
P73 : Seaweed Lipids as Fatty Acids
Arachidic Acid, Behenic Acid, Decanoic Acid, Erucic Acid, Lauric Acid, Linoleic Acid, Linolenic Acid, Myristic Acid, Caprylic Acid, Oleic Acid, Palmitic Acid, Palmitoleic Acid, Stearic Acid, Lignoceric Acid,
Arachidic Acid, Behenic Acid, Decanoic Acid, Erucic Acid, Lauric Acid, Linoleic Acid, Linolenic Acid, Myristic Acid, Caprylic Acid, Oleic Acid, Palmitic Acid, Palmitoleic Acid, Stearic Acid, Lignoceric Acid,
P74 : Pigments in Seaweed
Fucoxanthin, Astaxanthin, Chlorophyll-c, Chlorophyll-a, Chlorophyll-b, Lutein, beta-Carotene, Neoxanthin, Antheraxanthin, Violaxanthin,
Fucoxanthin, Astaxanthin, Chlorophyll-c, Chlorophyll-a, Chlorophyll-b, Lutein, beta-Carotene, Neoxanthin, Antheraxanthin, Violaxanthin,
P75 : Seaweed Phytohormones
Gibberellic Acid, Indole-3-acetic acid, Indole-2-acetic acid, Indole-3-propionic acid, Indole-3-butyric acid, 6-Benzylaminopurine, Kinetin riboside, Abscisic acid, Salicylic acid,
Gibberellic Acid, Indole-3-acetic acid, Indole-2-acetic acid, Indole-3-propionic acid, Indole-3-butyric acid, 6-Benzylaminopurine, Kinetin riboside, Abscisic acid, Salicylic acid,
P76 : Seaweed Vitamins (Fat-Soluble)
beta-Carotene, Ergocalciferol (Vitamin D2), Alpha-tocopherol (vitamin E), Phylloquinone (Vitamin K1),
beta-Carotene, Ergocalciferol (Vitamin D2), Alpha-tocopherol (vitamin E), Phylloquinone (Vitamin K1),
P77 : Seaweed Vitamins (Water-Soluble)
Thiamine (Vitamin B1), Riboflavin (Vitamin B2), Niacin (Vitamin B3), Niacinamide (vitamin B3), Pantothenic Acid (Vitamin B5), Pyridoxine (Vitamin B6), Folate (Vitamin B9), Cobalamin (Vitamin B12), Ascorbic Acid (Vitamin C),
Thiamine (Vitamin B1), Riboflavin (Vitamin B2), Niacin (Vitamin B3), Niacinamide (vitamin B3), Pantothenic Acid (Vitamin B5), Pyridoxine (Vitamin B6), Folate (Vitamin B9), Cobalamin (Vitamin B12), Ascorbic Acid (Vitamin C),
P150 : Plant Pigments
Chlorophyll-a, Chlorophyll-b, Lutein, beta-Carotene, Neoxanthin, Astaxanthin, Zeaxanthin, Antheraxanthin, Violaxanthin,
Chlorophyll-a, Chlorophyll-b, Lutein, beta-Carotene, Neoxanthin, Astaxanthin, Zeaxanthin, Antheraxanthin, Violaxanthin,
P81 : Biomethane Potential - 14 Days
Biomethane Potential (BMP), Total Biogas Volume, Total Solids, Volatile Solids, pH, Biogas Methane Content, Biogas Carbon Dioxide Content, Biogas Oxygen Content, Biogas Hydrogen Sulphide Content, Biogas Ammonia Content,
Biomethane Potential (BMP), Total Biogas Volume, Total Solids, Volatile Solids, pH, Biogas Methane Content, Biogas Carbon Dioxide Content, Biogas Oxygen Content, Biogas Hydrogen Sulphide Content, Biogas Ammonia Content,
P93 : Feedstock Chemical and Biological Analysis
Total Solids, Volatile Solids, pH, Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), Phosphorus, Potassium, Ammonia, Carbon, Hydrogen, Nitrogen, Sulphur,
Total Solids, Volatile Solids, pH, Chemical Oxygen Demand (COD), Biological Oxygen Demand (BOD), Phosphorus, Potassium, Ammonia, Carbon, Hydrogen, Nitrogen, Sulphur,
P95 : Residual Biogas Potential - 14 Days
Residual Biogas Potential (RBP), Total Biogas Volume, Total Solids, Volatile Solids, pH, Biogas Methane Content, Biogas Carbon Dioxide Content, Biogas Oxygen Content, Biogas Hydrogen Sulphide Content, Biogas Ammonia Content,
Residual Biogas Potential (RBP), Total Biogas Volume, Total Solids, Volatile Solids, pH, Biogas Methane Content, Biogas Carbon Dioxide Content, Biogas Oxygen Content, Biogas Hydrogen Sulphide Content, Biogas Ammonia Content,
P222 : Volatile Fatty Acids (VFAs) Speciation
Acetic Acid, Lactic Acid, Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid,
Acetic Acid, Lactic Acid, Propionic Acid, Butyric Acid, Isobutyric Acid, Valeric Acid, Isovaleric Acid,
P61 : Sugars in Bio-Oil Water Extract
Levoglucosan, Cellobiosan, Mannosan, Galactosan, Glucose, Xylose, Mannose, Arabinose, Galactose, Rhamnose, Fucose, Sucrose, Cellobiose, Total Sugars,
Levoglucosan, Cellobiosan, Mannosan, Galactosan, Glucose, Xylose, Mannose, Arabinose, Galactose, Rhamnose, Fucose, Sucrose, Cellobiose, Total Sugars,
P63 : Semi-Volatile Oxygenated Components in Bio-Oil
31 constituents including Phenol, Furfural, Syringol, and Vanillin
31 constituents including Phenol, Furfural, Syringol, and Vanillin
P360 : Specific Surface Area (5-Point BET)
Specific Surface Area (Nitrogen Gas Adsorption), BET Isotherm (5 Point Using Nitrogen),
Specific Surface Area (Nitrogen Gas Adsorption), BET Isotherm (5 Point Using Nitrogen),
P364 : Pore-Size Distribution
Specific Surface Area (Nitrogen Gas Adsorption), BET Isotherm (20 Point Using Carbon Dioxide), Pore Volume (Using Nitrogen), Pore Size Distribution (Using Nitrogen), Average Pore Width (Using Nitrogen),
Specific Surface Area (Nitrogen Gas Adsorption), BET Isotherm (20 Point Using Carbon Dioxide), Pore Volume (Using Nitrogen), Pore Size Distribution (Using Nitrogen), Average Pore Width (Using Nitrogen),
P366 : Pore Size Distribution Deluxe
Specific Surface Area (Nitrogen Gas Adsorption), BET Isotherm (40 Point Using Nitrogen), Pore Volume (Using Nitrogen), Pore Size Distribution (Using Nitrogen), Average Pore Width (Using Nitrogen),
Specific Surface Area (Nitrogen Gas Adsorption), BET Isotherm (40 Point Using Nitrogen), Pore Volume (Using Nitrogen), Pore Size Distribution (Using Nitrogen), Average Pore Width (Using Nitrogen),
P34 : Calorific Value and Elements
Gross Calorific Value, Net Calorific Value, Ash, Carbon, Hydrogen, Nitrogen, Sulphur, Oxygen,
Gross Calorific Value, Net Calorific Value, Ash, Carbon, Hydrogen, Nitrogen, Sulphur, Oxygen,
P36 : Major Elements
Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium,
Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium,
P37 : Minor Elements
Antimony, Arsenic, Cadmium, Chromium, Cobalt, Copper, Lead, Manganese, Mercury, Molybdenum, Nickel, Vanadium, Zinc,
Antimony, Arsenic, Cadmium, Chromium, Cobalt, Copper, Lead, Manganese, Mercury, Molybdenum, Nickel, Vanadium, Zinc,
P42 : Ash Melting Behaviour (Reducing Conditions)
Ash Shrinkage Starting Temperature (Reducing), Ash Deformation Temperature (Reducing), Ash Hemisphere Temperature (Reducing), Ash Flow Temperature (Reducing),
Ash Shrinkage Starting Temperature (Reducing), Ash Deformation Temperature (Reducing), Ash Hemisphere Temperature (Reducing), Ash Flow Temperature (Reducing),
P393 : Biochar Thermal Properties Deluxe
Moisture, Ash Content (815C), Carbon, Hydrogen, Nitrogen, Sulphur, Oxygen, Chlorine, Volatile Matter, Fixed Carbon, Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium, Gross Calorific Value, Net Calorific Value, Ash Shrinkage Starting Temperature (Reducing), Ash Deformation Temperature (Reducing), Ash Hemisphere Temperature (Reducing), Ash Flow Temperature (Reducing),
Moisture, Ash Content (815C), Carbon, Hydrogen, Nitrogen, Sulphur, Oxygen, Chlorine, Volatile Matter, Fixed Carbon, Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium, Gross Calorific Value, Net Calorific Value, Ash Shrinkage Starting Temperature (Reducing), Ash Deformation Temperature (Reducing), Ash Hemisphere Temperature (Reducing), Ash Flow Temperature (Reducing),
P394 : Biochar Thermal Properties Ultimate
As P393 plus inorganic carbon, organic carbon, TGA (under nitrogen and air), and inherent moisture
As P393 plus inorganic carbon, organic carbon, TGA (under nitrogen and air), and inherent moisture
P36 : Major Elements
Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium,
Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium,
P37 : Minor Elements
Antimony, Arsenic, Cadmium, Chromium, Cobalt, Copper, Lead, Manganese, Mercury, Molybdenum, Nickel, Vanadium, Zinc,
Antimony, Arsenic, Cadmium, Chromium, Cobalt, Copper, Lead, Manganese, Mercury, Molybdenum, Nickel, Vanadium, Zinc,
P384 : Biochar Polycyclic Aromatic Hydrocarbons (PAH)
Acenaphthene, Acenaphthylene, Anthracene, Benz[a]anthracene, Benzo[b]fluoranthene, Benzo[k]fluoranthene, Benzo[ghi]perylene, Benzo[a]pyrene, Chrysene, Dibenz[a,h]anthracene, Fluoranthene, Fluorene, Indeno[1,2,3-cd]pyrene, 1-Methylnaphthalene, 2-Methylnaphthalene, Naphthalene, Phenanthrene, Pyrene,
Acenaphthene, Acenaphthylene, Anthracene, Benz[a]anthracene, Benzo[b]fluoranthene, Benzo[k]fluoranthene, Benzo[ghi]perylene, Benzo[a]pyrene, Chrysene, Dibenz[a,h]anthracene, Fluoranthene, Fluorene, Indeno[1,2,3-cd]pyrene, 1-Methylnaphthalene, 2-Methylnaphthalene, Naphthalene, Phenanthrene, Pyrene,
P388 : Biochar Plant Growth Trials
Time to Germination, Mean Shoot Length (Week 1), Mean Shoot Length (Week 2), Mean Shoot Length (Week 3), Mean Shoot Length (Week 4), Shoot Weight (Week 4), Mean Root Length (Week 4), Root Weight (Week 4),
Time to Germination, Mean Shoot Length (Week 1), Mean Shoot Length (Week 2), Mean Shoot Length (Week 3), Mean Shoot Length (Week 4), Shoot Weight (Week 4), Mean Root Length (Week 4), Root Weight (Week 4),
P397 : Biochar Soil Amendment Ultimate
As Deluxe package plus P383, SEM Imaging (P387) and Plant Growth Trials (P388)
As Deluxe package plus P383, SEM Imaging (P387) and Plant Growth Trials (P388)
P399 : Biochar Complete Evaluation Package
Includes everything from P391 (Physical Properties Ultimate), P394 (Thermal Properties Ultimate), and P397 (Soil Amendment Ultimate)
Includes everything from P391 (Physical Properties Ultimate), P394 (Thermal Properties Ultimate), and P397 (Soil Amendment Ultimate)
P34 : Calorific Value and Elements
Gross Calorific Value, Net Calorific Value, Ash, Carbon, Hydrogen, Nitrogen, Sulphur, Oxygen,
Gross Calorific Value, Net Calorific Value, Ash, Carbon, Hydrogen, Nitrogen, Sulphur, Oxygen,
P36 : Major Elements
Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium,
Aluminium, Calcium, Iron, Magnesium, Phosphorus, Potassium, Silicon, Sodium, Titanium,
P37 : Minor Elements
Antimony, Arsenic, Cadmium, Chromium, Cobalt, Copper, Lead, Manganese, Mercury, Molybdenum, Nickel, Vanadium, Zinc,
Antimony, Arsenic, Cadmium, Chromium, Cobalt, Copper, Lead, Manganese, Mercury, Molybdenum, Nickel, Vanadium, Zinc,
P40 : Combustion Package
Volatile Matter, Fixed Carbon, Moisture, Ash, Carbon, Hydrogen, Nitrogen, Sulphur, Oxygen, Gross Calorific Value, Net Calorific Value, Chlorine,
Volatile Matter, Fixed Carbon, Moisture, Ash, Carbon, Hydrogen, Nitrogen, Sulphur, Oxygen, Gross Calorific Value, Net Calorific Value, Chlorine,
P41 : Ash Melting Behaviour (Oxidising Conditions)
Ash Shrinkage Starting Temperature (Oxidising), Ash Deformation Temperature (Oxidising), Ash Hemisphere Temperature (Oxidising), Ash Flow Temperature (Oxidising),
Ash Shrinkage Starting Temperature (Oxidising), Ash Deformation Temperature (Oxidising), Ash Hemisphere Temperature (Oxidising), Ash Flow Temperature (Oxidising),
News
Apr 30th 2023
Celignis to Sponsor and Present at Major Biochar Event
The event takes place on May 3rd at Carrick-on-Shannon
We are pleased to announce that, on May 3rd, Celignis will be presenting and exhibiting at the National Biochar and Carbon Products Conference 2023, which is taking place in Carrick-on-Shannon in County Leitrm, Ireland.
This conference is being organised under the auspices of the Interreg Northwest Europe-funded THREE C Project, entitled 'Creating and sustaining Charcoal value chains to promote a Circular Carbon economy in NWE Europe'.
The conference will highlight both Irish stakeholders who are currently working in the biochar and carbon products sector, but also partners from the THREE C project (covering Netherlands, Luxembourg, Germany, Belgium, France and Wales, as well as Ireland) who have interesting stories and products to share.
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Aug 31st 2022
Employee Spotlight - Piotr
Aug 17th 2022
New Article on Biochar Analysis
Read about the wide variety of analysis packages we have for biochar
Click here to read about the different analysis packages that Celignis offers for the evaluation on biochars. These analyses cover properties relevant to a wide variety of applications, including soil amendment, carbon sequestration, bioenergy, and biomaterials.
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Aug 1st 2022
Special Offer on TGA Analysis
For a short period we are offering two TGA analyses for the price of one!
To celebrate the arrival of our thermogravimetric (TGA) equipment, we are offering, for a limited time period, two TGA analyses for the price of one. Click here to read more about TGA analyses at Celignis and to see the various packages on offer.
To avail of this special offer please mention the code (TGA-AUGUST) in an email or when placing an order via the Celignis Database.
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Jun 29th 2022
Short Video by Lalitha on EnXylaScope
This 5 minute presentation was given at the recent IBioIC conference
Celignis recently exhibited at IBioiC's annual conference, held in Glasgow on June 6-7.
During that event Lalitha, Celignis's CIO, gave a short 5 minute presentation on the EnXylaScope collaborative EU research project that Celignis is involved in.
You can view the presentation below or here on YouTube.
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