[Gasification] Biofiber drying quantification

[Benjamin Domingo Bof]

Norma pleasure to read you. My idea about alfalfa CUF 101 pelletization is to use gas generators in Argentine. Alfalfa have high grade protein and grows easily in this country. Gasifiers gives thirty percent for wood gas and the other seventy is waste heat or BIOHEAT.With wood gas run mechanical pelletizing press. Martezo gasifiers in France offers his equipments with this proposal 2/3 thermal energy for others uses. This way you recover high grade of heat increasing efficiency.
Cheers; Benjamin

Norma McDonald <normacnc5 at aol.com> escribió: We are trying to reduce the moisture level in the biofibers that are mechanically (screw press) separated after anaerobic digestion of manure.? The moisture content is 65-70%, all tightly bound to the lignocellulosic fibers (no free moisture).? We want to lower this using waste heat (250F - 500F air) from the generator down to ~20% moisture so that we can pelletize for fuel pellets.? We are also thinking of directly gasifying these materials.? 

Dynamic air flow produces too much dust and fibers all over the process area, so we are thinking about radiant heating in an auger.? For our first installation, the flow rate requires removal/evaporation of 4 gallons per minute.? How do I calculate the time and surface area required in order to design the heat exchanger?


Norma McDonald


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