Anaerobic digestion technologies for dry biomass
2011
Kotelenecs, V., Latvia Univ. of Agriculture, Jelgava (Latvia) | Dubrovskis, V., Latvia Univ. of Agriculture, Jelgava (Latvia) | Zabarovskis, E., Latvia Univ. of Agriculture, Jelgava (Latvia)
Anaerobic treatment of relatively dry biomass (W30 %) has some advantages compared with traditionally used wet biomass due to lowered expenses for transportation of raw and finished materials. The possibilities for using of some technologies of dry anaerobic digestion by help of self-made laboratory equipment were investigated. As raw material energy crops (sorghum, galega, amaranths) were used. The results from the garage type digester were lower than from wet digestion and from the batch type digester with recirculation of infiltrate. Higher methane content (56.4 %) and yield was from the digester with recirculation of infiltrate.
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