White Pellet Trading

TRADERSbiomass covers the trading of the world’s most common standard & non-standard white pellet products which either falls into Woody or Non-Woody types.

Technical Specification of  White Pellet Products: (Standard White Pellet)

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

A1 A2 B Analysis Method
1.1.3 Stemwood 1.1.1 Whole trees without roots 1.1 Forest plantation & other virgin wood ISO 17225-1
1.2.1 Chemically untreated wood residues a 1.1.3 Stemwood 1.2 By products and residues from wood processing industry
1.1.4 Logging residues 1.3.1 Chemically untreated used wood
1.2.1 Chemically untreated wood residues a

Elemetrary Composition

Unit

A1

A2

B

Analysis Method

Chlorine

w % dry

0,02

0,02

0,03

ISO 16994

Sulphur

w % dry

0,04

0,05

0,05

ISO 16994

Nirogen

w % dry

0,3

0,5

1,0

ISO 16948

Copper

mg/kg dry

10

10

10

ISO 16968

Chromium

mg/kg dry

10

10

10

ISO 16968

Arsenic

mg/kg dry

1

1

1

ISO 16968

Cadmium

mg/kg dry

0,5

0,5

0,5

ISO 16968

Mercury

mg/kg dry

0,1

0,1

0,1

ISO 16994

Lead

mg/kg dry

10

10

10

ISO 16968

Nickel

mg/kg dry

10

10

10

ISO 16968

Zinc

mg/kg

100

100

100

ISO 16968

1200

1100

1100

Physical Parameter

Unit

A1

A2

B

Analysis Method

Diameter

mm

6 ( ± 1 )

6 ( ± 1 )

6 ( ± 1 )

 ISO 17289

Length

mm

3,15 ≤ L ≤ 40

3,15 ≤ L ≤ 40

3,15 ≤ L ≤ 40

 ISO 17289

Bulk Density

kg/m3

600

600

600

 ISO 17828

Net Calorific Value

MJ/Kg

16,5

16,5

16,0

 ISO 18125

Moisture

w %

10

10

10

 ISO 18134-1

ISO 18134-2

Fines

w %

1

1

1

 ISO 18846

Mechanical Durability

w %

97,5

97,5

96,5

 ISO 17831-1

Ash

w %

0,7

1,2

≤ 2,0

 ISO 18122
WOOD PELLETS SPECIFICATIONS

27/04/12

Initiative Wood Pellets Buyers : Industrial Wood Pellets Specifications

PARAMETERS AND REJECTION LIMITS

Units

EN Standard

I1 Industrial

I2 Industrial

I3 Industrial

Check Performed by

Origin & Source

Only Accepted

EN 14961-1

Forest, Plantation and Other Virgin Wood

Insp & Lab

Chemically Untreated Wood Residues

Sampling

 

EN 14778

 

 

 

Insp

Quality Check

 

 

 

 

 

Insp

Sample Preparation

 

EN 14780

 

 

 

Insp

No Water Damage

 

 

None

None

None

Insp

No Burned/Charred Pellets

 

 

None

None

None

Insp

Additives (Composition, mass )

w % ar

EN 14961

< 3% additive

< 3% additive

< 3% additive

Declared by Seller

 

 

OFGEM

Sustainability proven for UK

Sustainability proven for UK

Sustainability proven for UK

Seller

Physical Parameter

 

 

LIMIT

TOLERANCE

LIMIT

TOLERANCE

LIMIT

TOLERANCE

 

Diameter

mm

EN 16127

6 to 8

Within Range

6 to 10

Within Range

6 to 12

Within Range

Insp & Lab

Length ≤ 50 mm

w %

EN 16127

99.90%

Within Range

99.90%

Within Range

99.90%

Within Range

Insp & Lab

Length ≤ 40 mm

w %

EN 16127

99.00%

Within Range

99.00%

Within Range

99.00%

Within Range

Insp & Lab

Water Content

w % ar

EN 14774

10%

0,5% ABS

10%

0,5% ABS

10%

0,5% ABS

Insp & Lab

Bulk (apparent) Density

kg/m3

EN 15103

600

2% of limit

600

2% of limit

600

2% of limit

Insp & Lab

Max Bulk Temperature

°C

EN 15234-2

60

1 °C

60

1 °C

60

1 °C

Insp

Net Caloric Value at Constant Pressure

GJ/MT ar

EN 14918

16,5

0,3 GJ/MT

16,5

0,3 GJ/MT

16,5

0,3 GJ/MT

lab

Ash Content

w % DM

EN 14775

1,0%

10% of limit

1,5%

10% of limit

3%

10% of limit

lab

Elemetrary Composition                  
Chlorine (Cl)

w % DM

EN 15289

0,03%

0,01% ABS

0,05%

0,01% ABS

0,1%

20% of limit

lab

Nitrogen (N)

w % DM

EN 15104

0,3%

0,05% ABS

0,3%

10% of limit

0,6%

10% of limit

lab

Sulphur (S)

w % DM

EN 15289

0,15%

0,01% ABS

0,2%

20% of limit

0,4%

20% of limit

lab

Arsenic (As)

mg/kg DM

EN 15297

2

0,064 ABS

2

0,064 ABS

2

0,064 ABS

lab

Cadmium (Cd)

mg/kg DM

EN 15297

1

0,060 ABS

1

0,060 ABS

1

0,060 ABS

lab

Chromium (Cr)

mg/kg DM

EN 15297

15

0,032 ABS

15

0,032 ABS

15

0,032 ABS

lab

Copper (Cu)

mg/kg DM

EN 15297

20

0,043 ABS

20

0,043 ABS

20

0,043 ABS

lab

Lead (Pb)

mg/kg DM

EN 15297

20

0,033 ABS

20

0,033 ABS

20

0,033 ABS

lab

Mercury (Hg)

mg/kg DM

EN 15297

0,1

0,0046 ABS

0,1

0,0046 ABS

0,1

0,0046 ABS

lab

Zinc (Zn)

mg/kg DM

EN 15297

200

5,430 ABS

200

5,430 ABS

200

5,430 ABS

lab

Fines ≤ 3.15mm (Round Hole Sleeves)

w % ar

EN 15210-1

4%

1% ABS

5%

1% ABS

6%

1% ABS

Insp & Lab

Durability

w % ar

EN 15210

97,5-99%

0,5% ABS

97,0-99%

0,5% ABS

96,5-99%

0,5% ABS

lab

Particle Size Distribution (Sqr. Hole Sleeves)  

EN 15149-2

             
% < 3.15 mm

w %

EN 16125

> 99%

1% ABS

> 98%

1% ABS

> 97%

1% ABS

lab

% < 2.0 mm

w %

EN 16125

> 95%

2% ABS

> 90%

2% ABS

> 85%

2% ABS

lab

% < 1.0 mm

w %

EN 16125

> 60%

5% ABS

> 50%

5% ABS

> 40%

5% ABS

lab

Tolerance : Instances where ISO doesn’t have a tolerance
Note :Generic wording to be included to cover water damage and burned pellets
Performed by : – Lab : analysis will be performed by the independent laboratory.
– Insp: test will be performed by the inspection company.
– Insp & Lab: means a field test will be performed by the inspection company and the final value will be analyzed by the lab.

PELLET FUELS INSTITUTE PRODUCT SPECIFICATION

FUEL Properties

PFI Premium

PFI Standard

PFI Utility

Testing Standard

Normative Information – Mandatory

Bulk Density

lb/cu ft

40.0-46.0

38.0-46.0

38.0-46.0

ASTM E 873

Diameter (Inches)

inch

0.23-0.285

0.23-0.285

0.23-0.285

NIST

Diameter (mm)

mm

5.84-7.25

5.84-7.25

5.84-7.25

NIST

Length ( >1.50 inch)

%

1.0

1.0

1.0

NIST

Pellets Durability Index

%

96.6

96.6

96.6

LD2668.T4 1962 Y68

Fines ( At Mill Gates)

%

0.5

0.5

0.5

 

Inorganic Ash

%

1.0

2.0

6.0

D 1102-84

Moisture

%

8.0

10.0

10.0

ASTM E 871

Chloride

ppm

300

300

300

ASTM E 776

 

Informative Only – Not Mandatory

Ash Fusion

Degree F

NA

NA

NA

ASTM D 1857

Heating Value

BTU/h

NA

NA

NA

ASTM E 711

Additives and Binders

%

NA

NA

NA

 

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

Properties Unit Grade 1 Grade 2 Grade 3 Grade 4
Size (Diameter) mm 6-8 6-8 6-8 6-25
Size (Length) mm ≤32 ≤32 ≤32 ≤32
Unit Volume Mass/ Bulk Density ㎏/㎥ ≥640 ≥600 ≥550 ≥500
Moisture Content % ≤10 ≤10 ≤15 ≤15
Ash Content % ≤0.7 ≤1.5 ≤3.0 ≤6.0
Fine Content % <1.0 <1.0 <2.0 <2.0
Durability % ≥97.5 ≥97.5 ≥95 ≥95
Net Caloric Value

㎉/㎏

(MJ/㎏)

≥4,300

(≥18.0)

≥4,300

(≥18.0)

≥4,040

(≥16.9)

≥4,040

(≥16.9)

Sulphur % <0.05 <0.05 <0.05 <0.05
Chlorine % <0.05 <0.05 <0.05 <0.05
Nitrogen % <0.3 <0.5 <0.7 <1.0
As ㎎/㎏ ≤1.0 ≤1.0 ≤1.0 ≤1.0
Cd ㎎/㎏ ≤0.5 ≤0.5 ≤0.5 ≤0.5
Cr ㎎/㎏ ≤10 ≤10 ≤10 ≤10
Cu ㎎/㎏ ≤10 ≤10 ≤10 ≤10
Pb ㎎/㎏ ≤10 ≤10 ≤10 ≤10
Hg ㎎/㎏ ≤0.05 ≤0.05 ≤0.05 ≤0.05
Ni ㎎/㎏ ≤10 ≤10 ≤10 ≤10
Zn ㎎/㎏ ≤100 ≤100 ≤100 ≤100
Ash melting temperature To be stated as recommendation
Other additives % <2.0 <2.0 <2.0 <2.0

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