| dc.description.abstract | This research focus on cow manure as symbiotic bacteria as planting that cultures active hydrogen production characteristics between 50 and 80°C, more and more, the manucipial sweage sludge as substrate as nutrition source convese into the biomass. Controlling the moisture littler than 80% cultures the solid sate fermentation to develop the hydrogen production system with high conversate rate and non acidic-liquid waste. This study siezes the hydrogen production bacteria by temperature controlling, which can inhibit the growth of the methonogenious during the hydrogen yield, as well as, it can eliminate the by-products, voltaic fat acid, in the conventional mesophilic fermentation process such as acetic, propanoic and butyric, etc.
This study adapt 2.5 litter anaerobic fermenter to batch thermophilic solid state fermentation by seven kinds thermostatic series in 50 ,55 ,60 ,65 ,70 ,75 ,and 80°C, respectively. Every hydrogen production growth period all completed within 80 hours, which have better management merits than conventional monderate iquid fermentation period for weeks or even months. The demonstrate show that the 60℃ series thermophilic solid state fermentation has obviously two peak growth periods, the accumulate hydrogen production is the highest and the hydrogen concentration keep it higher than 60%. The specific hydrogen yield and the specific hydrogen conversation rate were 39 (mL-H2/g-VS) and 17.65(g-H2/g-H of VS，%), respectively. Much more, aforementioned seven kinds thermostatic series’s pH is maintained between 4.5 and 7, which show that no obviously effect in the thermophilic solid state fermentation, as the result, it can infer that there is no duplicative pollution as continuous acidification or acid waste production.
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