UK biochar supplier capabilities

Biochar grading, processing
and blending.

PCS supplies standard graded biochar and develops bespoke and branded engineered blends, including TerraLith products.

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PCS

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Five capabilities.
One connected process.

Select any capability to expand it and see how PCS turns raw carbon into useful material.

PCS sells graded biochar in screened and micronised grades: 0–2 mm, 2–4 mm, 4–6 mm and 6 mm+, with micronised options below 50 µm and below 100 µm.

Grade selection should follow the intended process, equipment, handling constraints and finished product rather than a generic assumption that one size suits every use.

  • 0–2 mm and 2–4 mm screened grades
  • 4–6 mm and 6 mm+ screened grades
  • Micronised below 50 µm and below 100 µm
  • Controlled moisture 0–40%
  • Bespoke particle specifications

Physical and technical processing improves consistency, handling and suitability for downstream use. The route depends on the starting carbon and the performance requirement.

  • Screening and size reduction
  • Moisture and handling control
  • Preparation for blending or further treatment

PCS develops application-led formulations rather than starting with a fixed product and looking for somewhere to use it.

Carbon type, particle grade, mineral content and other components are selected around the agreed finished specification. Routes can be bespoke or PCS branded, including TerraLith products.

  • Bespoke product specifications
  • PCS branded engineered products
  • Defined component ratios
  • Trial, feedback and refinement

PCS develops blended and engineered biochars by defining the carbon grade, other components, ratio, physical requirements and intended delivery route.

The complete specification should account for moisture, fines, density, segregation, handling and repeatability as well as the recipe.

  • Biochar and carbon-mineral blends
  • Consistent volumetric or mass ratios
  • Bespoke and branded products
  • Products tailored to delivery method

PCS is interested in the progression from conventional pyrolysis carbon to refined, conductive and higher-value materials.

Development can include specialist grades, treatment routes and partnerships around technologies such as graphene.

  • Refined carbon grades
  • Conductive-material pathways
  • Collaborative research and scale-up

Different biochars.
Different behaviour.

Feedstock, production conditions and later treatment affect a biochar’s pores and surface chemistry. Particle size alone does not tell you how it will perform.

Hydrophilic: water-wettable

Imagine a skyscraper full of rooms with the windows open: water can more readily wet accessible internal surfaces. This can be useful when designing growing media or water-treatment materials.

Hydrophobic: water-repellent

Imagine the windows shut: water finds it harder to wet the surfaces. This describes water behaviour; the pores are not necessarily sealed or inaccessible to other substances.

The skyscraper is an analogy. Many biochars have a cellular, honeycomb-like structure, but pore connections and wettability are separate properties.

What does this mean for the application?

Filtration and nutrient capture: wetting helps water reach accessible surfaces. Capturing ammonium from water also depends on surface chemistry, pH and operating conditions. Ammonia-gas removal needs separate testing. Adsorption means capture on a surface; absorption means uptake into a material.

Concrete and asphalt: fine or micronised biochars can be evaluated as ingredients. Water demand, binder compatibility, strength and durability matter. Hydrophobicity alone does not establish suitability; water-holding biochars can also support internal curing in cement-based mixes.

Specify and test: micronising changes particle size; it does not automatically make biochar hydrophilic or hydrophobic. Select and test the material for its intended use.

Research: biochar surfaces and water; ammonium adsorption; internal curing in mortar. These studies describe tested materials, not verified performance of a PCS product.

Buy a standard grade.
Or define a blend.

Choose direct graded biochar supply or move into a bespoke or branded engineered formulation.

01

Define

Clarify the application, constraints and performance target.

02

Select

Choose the carbon input and material specification.

03

Engineer

Grade, process, formulate and blend.

04

Validate

Test, refine and prepare for commercial delivery.

Talk to PCS

Need a carbon specification?

Tell us what the material needs to do, how it will be handled and the performance you want to achieve.

Discuss an application