We have a self set requirement of less than 5% bark in our current feedstock specification 200kWe size gasifier. We want to explore cocktail possibilities e.g Autumn leaves. We also see the possibilities of road side grooming as an unconventional source of biomass for PowerCan 200.
Tars come from decomposition of the building blocks cellulose, hemicellulose and lignin. The amounts and composition of the tars is directly connected to the gasifier temperature used.
Lower temperaturer (500 C) gives more tars, mostly phenolics and phenolic esters. High temperature gasification (>1000 C) gives less tars but with polycyclic aromatics.
We have studied the tars from a downdraft gasifier of the same size as yours.
Biomass gasification in an air-blown down-draft gasifier: Determination of tar compounds from producer gas
Romar H, Tynjälä P, Lassi U
Bioresources (Impact Factor: 1.31). 01/2013; 8(3):3620-3629.
We are loading gas tests, specifications and lots of pictures of our 200kWe PowerCan units on PowerCan200 in LinkedIn Groups, please join us and share your views. We are about to enter the final stage of our Research and Development for an off the shelf range of PowerCan 200 and we look forward to share with our select group of followers. We have developed a particularly interesting gas reform unit
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