Efficient Handling of Biomass

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Biomass is a relatively new type of cargo. The definition of biomass is still prone to the discussion and many terminal operators are facing challenges when this cargo arrives at their terminal.

There is a great variety in the appearance of biomass, varying from very easy to handle wood pellets to compacted and fermented wood chips, to undefined “forest products”.

Handling biomass requires a different way of thinking:

  • Production in cubic meters instead of tonnes
  • Covered storage
  • Dedicated conveyor systems
  • Minimising product degradation, especially important when handling wood pellets
  • Specific storage and climate control to prevent combustion/gas emission


The choice of grab type is of significant influence on your productivity, unloading process and possible savings on the use of expensive trimming equipment. Most important, however: enhanced safety of your people; less trimming equipment in the hold, means improved safety for your people.

For handling Wood Pellets, the Nemag clamshell grab will be the preferred choice: environmentally friendly and closed shells with high payload and low deadweight will do the job perfectly.

clamshell wood pellets (Large)


For handling wood chips the NEMAG Orange Peel Grab (Cactus grab) can be chosen. This will however also lead to relatively high trimming costs during the intermediate and final stage of unloading. Cactus grabs of up to 55 cbm have been supplied and are in operation.

To cut on trimming costs, the NEMAG Scissors grab is the most ideal choice; efficient unloading though the ship hardly without the use of expensive trimming equipment. Scissors grabs of 60 cbm are in operation to full satisfaction.


We have experience in handling biomass and are happy to inform you on available solutions for your specific situation.

Feel free to contact us


If you have any questions please feel free to contact us.
We are happy to help you!

General contact

+31 111 418 900

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Compare the grab glossary

Crane capacityIs the Safe Working Load of your crane in tons in grab duty, i.e. the total sum of grab dead weight and payload.

PayloadIs the nett load of cargo in the grab. Because it’s linked with the grab weight it will be filled in automatically.

Grab weightIs the Dead weight of your existing grab. Not sure? Check your grab manual, CE declaration, or on the ID plate on your grab.

Grab rope withdrawal lengthIs the length of the closing rope which needs to be pulled out in order to close the grab (not to confuse with the total reeved in grab rope length).

Not sure about the numbers?Check the grab manual. Don’t hesitate to contact us.

Riny Stoutjesdijk
Sales manager

+31 (0)653109307