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Non-Woody Pellet Trading – TRADERSbiomass

State-of-art online trading platform of biomass.

Non-Woody Pellet Trading

Non-Woody Pellets are densified biofuel made from grinded or milled biomass with or without additives and unitized as cylinders, usually diameter < 25 mm, random length and typically 3,15 mm to 40 mm with broken ends, obtain by mechanical compression

NOTE: The raw material for non-woody pellets can be herbaceous biomass, fruit biomass, aquatic biomass or biomass blends and mixtures. They are usually manufactured in a die with total moisture content usually less than 15 % of their mass.


Non-woody pellets have high ash, chlorine, nitrogen and sulphur content and major element contents, so non-woody pellets are recommended to be used in appliances, which are specially designed or adjusted for this kind of pellet.


Our platform covers the trading of the world’s most common standards (including ISO) & non-standard Non-Woody Pellets products.

Technical Specification of Non-Woody Pellet Products: (Standard or graded Non-Woody Pellet)

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

 

Origin & Source
Cereal Straw pellets Miscanthus pellets Reed canary grass pellets Analysis Method
2.1.1.2 Straw parts 2.1.2.1 Grasses, Whole plant 2.1.2.1 Grasses, Whole plant ISO 17225-1
   
Physical Parameter
Unit Cereal Straw pellets Miscanthus pellets Reed canary grass pellets Analysis Method
Diameter, D a mm D06 to D10 (±1) D06 to D10 (±1) D06 to D10 (±1) ISO 17289
Length, L b mm 3,15 ≤ L ≤ 40 3,15 ≤ L ≤ 40 3,15 ≤ L ≤ 40 ISO 17289
Diameter, D a mm D12 to D25 (±1) D12 to D25 (±1) D12 to D25 (±1) ISO 17289
Length, L b mm 3,15 ≤ L ≤ 50 3,15 ≤ L ≤ 50 3,15 ≤ L ≤ 50 ISO 17289
Moisture, M As received, w-% M10 ≤ 10 M10 ≤ 10 M12 ≤ 12  ISO 18134-1, ISO 18134-2
Ash, A c Dry Basis, w-% A6.0 ≤ 6, A6.0+ > 6d A4.0 ≤ 4, A6.0 ≤ 6 A8.0 ≤ 8, A8.0+ > 8d  ISO 18122
Mechanical Durability, DU As received, w-% DU97.5 ≥ 97,5 DU97.5 ≥ 97,5 DU96.5 ≥ 96,5  ISO 17831-1
Fines, F e As received, w-% F1.0 ≤ 1,0 F1.0 ≤ 1,0 F1.0 ≤ 1,0  ISO 18846
Additives f Dry Basis, w-% Type and amount to be stated Type and amount to be stated Type and amount to be stated
Net Calorific Value, Q As received, MJ/kg or kWh/kg Minimum value to be stated Minimum value to be stated Q14.5 ≥ 14,5; Q4.0 ≥ 4,0  ISO 18125
Bulk Density, BD As received, kg/m3 BD600 ≥ 600 BD580 ≥ 580 BD550 ≥ 550  ISO 17828
Ash melting
behaviour g
°C Should be stated Should be stated Should be stated  ISO 21404
Elemetrary Composition
Unit Cereal Straw pellets Miscanthus pellets Reed canary grass pellets Analysis Method
Nitrogen, N Dry Basis, w-% N0.7 ≤ 0,7 N0.5 ≤ 0,5 N 2.0 ≤ 2,0 ISO 16948
Sulphur, S Dry Basis, w-% S0.10 ≤ 0,10 S0.05 ≤ 0,05 S0.20 ≤ 0,20 ISO 16994
Chlorine, Cl Dry Basis, w-% Cl0.10 ≤ 0,10 Cl0.08 ≤ 0,08 Cl0.10 ≤ 0,10 ISO 16994
Arsenic, As Dry Basis, mg/kg ≤ 1 ≤ 1 ≤ 1 ISO 16968
Cadmium, Cd Dry Basis, mg/kg ≤ 0,5 ≤ 0,5 ≤ 0,5 ISO 16968
Chromium, Cr Dry Basis, mg/kg ≤ 10 ≤ 10 ≤ 10 ISO 16968
Copper, Cu Dry Basis, mg/kg ≤ 20 ≤ 20 ≤ 20 ISO 16968
Lead, Pb Dry Basis, mg/kg ≤ 10 ≤ 10 ≤ 10 ISO 16968
Mercury, Hg Dry Basis, mg/kg ≤ 0,1 ≤ 0,1 ≤ 0,1 ISO 16994
Nickel, Ni Dry Basis, mg/kg ≤ 10 ≤ 10 ≤ 10 ISO 16968
Zinc, Zn mg/kg ≤ 100 ≤ 100 ≤ 100 ISO 16968
 
     
  1. a Selected size (D06, D08, D10, D12 or D25) of pellets to be stated.
  2. b Pellets longer than 40 mm can be 1 w-%. from D06 to D10). Maximum length shall be < 45 mm for pellets from D06 to D10.
  3. c Actual ash property class shall be stated.
  4. d Value to be stated.
  5. e At factory gate in bulk transport (at the time of loading) and in small (up to 20 kg)and large sacks (at time of packing or when delivering to end-user).
  6. 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,...). Also additives which are used after production, before unloading to end-user storages, shall be stated similarly (type and amount).
  7. g All characteristic temperatures (shrinkage starting temperature (SST), deformation temperature (DT), hemisphere temperature (HT) and flow temperature (FT)) in oxidizing conditions should be stated.
 
Origin & Source a
A B Analysis Method
2 Herbaceous biomass 2 Herbaceous biomass ISO 17225-1
3 Fruit biomass 3 Fruit biomass
4 Aquatic biomass 4 Aquatic biomass
5 Blends and mixtures 5 Blends and mixtures
   
Physical Parameter
Unit A B Analysis Method
Diameter, D b mm D06 to D10 (±1) D06 to D10 (±1) ISO 17289
Length, L c mm 3,15 ≤ L ≤ 40 3,15 ≤ L ≤ 40 ISO 17289
Diameter, D b mm D12 to D25 (±1) D12 to D25 (±1) ISO 17289
Length, L c mm 3,15 ≤ L ≤ 50 3,15 ≤ L ≤ 50 ISO 17289
Moisture, M As received, w-% M12 ≤ 12 M12 ≤ 12  ISO 18134-1, ISO 18134-2
Ash, A c Dry Basis, w-% A6.0 ≤ 6 A10 ≤ 10  ISO 18122
Mechanical
Durability, DU
As received, w-% DU97.5 ≥ 97,5 DU96 ≥ 96  ISO 17831-1
Fines, F d As received, w-% F2.0 ≤ 2,0 F3.0 ≤ 3,0  ISO 18846
Additives e Dry Basis, w-% Type and amount to be stated Type and amount to be stated
Net Calorific Value, Q As received, MJ/kg or kWh/kg Q14.1 ≥ 14,1 or
Q3.9 ≥ 3,9
Q13.2 ≥ 13,2 or
Q3.7 ≥ 3,7
 ISO 18125
Bulk Density, BD As received, kg/m3 BD600 ≥ 600 BD600 ≥ 600  ISO 17828
Ash melting
behaviour f
°C Should be stated Should be stated  ISO 21404
Elemetrary Composition
Unit A B Analysis Method
Nitrogen, N Dry Basis, w-% N1.5 ≤ 1,5 N2.0 ≤ 2,0 ISO 16948
Sulphur, S Dry Basis, w-% S0.20 ≤ 0,20 S0.20 ≤ 0,20 ISO 16994
Chlorine, Cl Dry Basis, w-% Cl0.20 ≤ 0,20 Cl0.30 ≤ 0,30 ISO 16994
Arsenic, As Dry Basis, mg/kg ≤ 1 ≤ 1 ISO 16968
Cadmium, Cd Dry Basis, mg/kg ≤ 0,5 ≤ 0,5 ISO 16968
Chromium, Cr Dry Basis, mg/kg ≤ 50 ≤ 50 ISO 16968
Copper, Cu Dry Basis, mg/kg ≤ 20 ≤ 20 ISO 16968
Lead, Pb Dry Basis, mg/kg ≤ 10 ≤ 10 ISO 16968
Mercury, Hg Dry Basis, mg/kg ≤ 0,1 ≤ 0,1 ISO 16994
Nickel, Ni Dry Basis, mg/kg ≤ 10 ≤ 10 ISO 16968
Zinc, Zn mg/kg ≤ 100 ≤ 100 ISO 16968
 
     
  1. a to be stated the 4-digit classification number of the source for 1 woody biomass, 2 Herbaceous and 3 Fruit biomass.
    If composition of blend is known, the w-% can be used to specifying blends.
    Example 1: 80 w-% 2.1.1.2 Straw, 20 w-% 2.1.2.2 Grasses, straw plant. In the case of mixture, the main component should be stated first.
    Example 2: 2.1.1.2 Straw, 2.1.2.2 Grasses, straw plant.
  2. b Selected size (D06, D08, D10, D12 or D25) of pellets to be stated.
  3. c Pellets longer than 40 mm can be 1 w-% (from D06 to D10). Maximum length shall be < 45 mm for pellets from D06 to D10.
  4. d At factory gate in bulk transport (at the time of loading) and in small (up to 20 kg)and large sacks (at time of packing or when delivering to end-user).
  5. e 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,...). Also additives which are used after production, before unloading to end-user storages, shall be stated similarly (type and amount).
  6. f All characteristic temperatures (shrinkage starting temperature (SST), deformation temperature (DT), hemisphere temperature (HT) and flow temperature (FT)) in oxidizing conditions should be stated.
 

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