Denmark- New Test Center for Biomass Pelleting

Date of publication : 9/27/2010
Source : Andritz Feed and Biofuel

On March 18th 2010 ANDRITZ FEED & BIOFUEL and The Danish Technological Institute hosted the opening reception for the biomass pretreatment and pelletizing test plant in Sdr. Stenderup near Kolding, Denmark. Through a close cooperation between the two partners, the plant is now a fexible test facility for full scale trials of milling and biomass pelleting. The plant includes an industrial scale biomass pelleting line with hammermills and cooler dedicated to the test and analysis processes in a biofuel pellet production. The event celebrated the opening of the plant and introduced the more than 150 visiting delegates to the possibilities for full scale biomass processing tests.

March 18th, 2010- Official opening of the Plant by Kim Behnke from

Plant description

As it is meant to handle all sorts of biomass the plant is by no means a standard setup. The chute with mechanical transport is designed to handle biomass in a more massive form like wood chips, saw dust, dried beet pulp, and other types of granulated materials. The air transport intake is suited for loose long fbered materials like straw, coconut coir fbres, elephant grass and numer-
ous other types.

Later this spring ANDRITZ FEED & BIOFUEL will install a straw shredder. This will enable the handling of all types of biomass which are normally compacted in bales.

The plant is equipped with two hammermills, an Optimill 500 for coarse grinding and a Multimill 450 for fne grinding. From these facilities ANDRITZ FEED & BIOFUEL and The Danish Technological Institute offer all relevant tests of pretreatments, milling and pelleting of biomass fuel processing including relevant analysis. The pelleting section is equipped with two conditioners, one with traditional paddles for normal conditioning and one with a screw to ensure controlled retention time. This provides the ability to operate at various conditions and to see whether or not retention time does affect the pelleting performance.

ANDRITZ FEED & BIOFUEL and The Danish Technological Institute can also optimize added steam and starch addition if that is a part of the test.

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