Biocoal Pellets

Biocoal pellets have a higher energy density & more moisture resistant than regular white pellets hence more economical to handle & ship than white pellets.

As it provides existing coal burning utilities with clean, green, carbon neutral, renewable energy with reduced upfront cost and no lengthy conversion or start-up time hence easy to integrate into existing coal facilities and it can replace coal.

The sulfur and ash content of Biocoal is significantly low.

Other renewable energy sources such as wind and solar cannot produce power on a consistent, predictable basis, so they cannot be relied upon to meet base-load power needs. Biocoal  can be used by utilities to meet their base-load power requirements, making them one of the few forms of renewable energy that can replace coal as a source of base-load power.

Biocoal  are a carbon neutral resource and qualify for renewable energy subsidies in many countries.

Biocoal  Trading

TRADERSbiomass makes Biocoal  tradable on our trading platform.

Technical Specification of Biocoal Products

*Exact technical specification of Non-standard Biocoal products can be inserted on the Electronic Trading System and published by suppliers.

Specification of  Biocoal 
Property Unit 1H 1L 2H 2L 3H 3L Testing standard
Diameter, D(b) and

Length, L(c)

mm D06, 6 ± 1;
D08, 8 ± 1;
3.15 <L ≤ 40
D06 to D25, D± 1;

3.15 <L = 40 (from D06 to D10);

3.15 <L = 50 (from D12 to D25)

ISO 17829
Moisture, M(d) w-%(1) ≤ 8 ≤ 10 ≤ 8 ≤ 10 ≤ 10 ISO 18134-1, 18134-2
Ash, A w-%(2) ≤ 1.2 ≤ 3.0 ≤ 5.0 ISO 18122
Mechanical Durability, DU w-%(1) ≥ 97.5 ≥ 96.0 ≥ 95.0 ISO 17831-1
Fines, F(e) w-%(1) ≤ 2.0 ≤ 1.0 ≤ 4.0 ≤ 2.0 ≤ 6.0 ≤ 3.0 ISO 18846
Net Calorific Value, Qd (g) MJ/kg(2) kWh/kg ≥ 21.0 ≥ 5.8 ≤ 21.0 ≤ 5.8 ≥ 21.0 ≥ 5.8 ≤ 21.0 ≤ 5.8 ≥ 21.0 ≥ 5.8 ≤ 21.0 ≤ 5.8 ISO 18125
Bulk Density, BD kg/m3(1) ≥ 650 ≥ 700 ≥ 650 ≥ 550 ISO 17828
Additives (f) w-%(2) ≤ 4 Type and amount to be stated
Nitrogen, N w-%(2) ≤ 4 ≤ 1.0 ISO 16948
Sulphur, S w-%(2) ≤ 0.04 ≤ 0.05 ≤ 0.1 ISO 16994
Chlorine, Cl w-%(2) ≤ 0.03 ≤ 0.05 ≤ 0.1 ISO 16994
Carbon, C w-%(2) Value to be stated ISO 16948
Arsenic, As mg/kg(2) ≤ 1 ≤ 2 ISO 16968
Cadmium, Cd mg/kg(2) ≤ 0.5 ≤ 1 ≤ 2 ISO 16968
Chromium, Cr mg/kg(2) ≤ 10 ≤ 15 ISO 16968
Copper, Cu mg/kg(2) ≤ 10 ≤ 20 ISO 16968
Lead, Pb mg/kg(2) ≤10 ISO 16968
Mercury, Hg mg/kg(2) ≤0.1 ISO 16968
Nickel, Ni mg/kg(2) ≤10 ISO 16968
Zinc, Zn mg/kg(2) ≤100 ISO 16968
Volatile matter, VM w-%(2) Value to be stated ISO 18123
Types of wood Stem wood. Logging residues. Forest, plantation and other virgin wood ISO 17225-1
Chemically untreated wood by-products and residues (a) By-products and residues from wood processing industry ISO 17225-1
Whole trees without roots

Chemically untreated used wood

ISO 17225-1
All characteristic temperatures [shrinkage starting temperature (SST), deformation temperature (DT), hemisphere temperature (HT) and flow temperature (FT)] in oxidizing conditions should be stated (not mandatory) ISO-21404.
Reference Note:

1. mass fraction in % as received
2. mass fraction in % dry
a) Negligible levels of glue, grease and other timber production additives (<1 % in mass fraction) used in sawmills during production of timber and timber product from virgin wood are acceptable if all chemical parameters of the pellets are clearly within the limits and/or concentrations are too small to be concerned with.
b) Selected size D06 or D08 of pellets to be stated for TW1H and TW1L.
c) For D06 to D10, the amount of pellets longer than 40 mm can be 1 % in mass fraction. Maximum length shall be ≤45 mm.
d) At the point of delivery.
e) At the point of delivery. Fines less than 3,15 mm are screened by hand according to ISO 18846.
f) Type of additives to aid production, delivery or combustion (e.g. pressing aids, slagging inhibitors or any other additives like starch, corn flour, potato flour, vegetable oil, lignin) must be stated.
g) Net calorific value as received (Q) resulting from net calorific value on dry basis 21,00 MJ/kg and moisture content (M) 8 % is 19,13 MJ/kg (5,3 kWh/kg) and by 10 % moisture content (M) is 18,65 MJ/kg (5,2 kWh/kg).

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