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Palm Kernel Shells (PKS)

General to PKS :

Palm kernel shells are a waste product from palm oil production. They are available in large quantities and can hardly be used in tropical countries of origin.

PKS consist of the best hardwood with a high calorific value and can be used instead of wood pellets as well as wood chips.

 

Caloric value PKS vs. wood-based products :

PKS :  min. 18 GJ / 5,0 MWh per metric ton (typical: 19 - 21 GJ / 5,5 - 5,9 MWh per metric ton)

Wood-pellets :  min. 16,5 GJ / 4,6 MWh per metric ton (Source: WIKIPEDIA)

Wood-chips (40% water) :  ca. 10 GJ / 2,8 MWh per metric ton (Source: WIKIPEDIA)

 

Produkt specifikation PKS :

Parameter / parameter:

Wert / value

Verwendungszweck / purpose

Verbrennung / combustion

Größe / dimensions

1 - 20 mm

Schüttdichte / bulk density

600 - 650 Kg/m3

Wassergehalt / water content

max. 13%

Ölgehalt / oil-content

max. 3%

Heizwert / caloric value

min. 18 GJ / metric ton

min. 5,0 MWh / metrische Tonne

Aschegehalt / ash residue

max. 5%

Fremdstoffe / foreign matter

max. 1,5%

Gesamt-Schwefel / total sulphur

max. 0,07%

 

Pictures of PKS :

Palm kernel shells (detail, with cm-yardstick)