I. Beniche, F. Karouach, M. Bakraoui, Hassan El Bari
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引用次数: 0
摘要
一般的食物链，特别是乳制品行业，每年都在增加;这会产生大量的废物，这些废物的管理涉及到生产者。本研究的目的是乳品工业污泥的能量估算。在CSTR反应器(连续搅拌式反应器)中，在37℃的中温条件下厌氧消化乳污泥(DS)，停留时间为45天。结果表明，在此条件下，该乳污泥的挥发性固体含量达到88%左右，最大产甲烷潜力达到434 (NmL / g VS)，生物降解率为96%。在这种情况下，1吨乳业污泥通过厌氧消化过程可产生约57kwh/年的电力。这将大大减少工业用电的消耗。
Energy Recovery Study by the Anaerobic Digestion of Dairy Dludge from Moroccan Industry
Food chains in general and dairy industries in particular increase from one year to the other; which generates enormous waste, the management of these waste concerned producers. The aim of this study is the energy estimation of the dairy industry sludge. Anaerobic digestion of the dairy sludge (DS) is conducted in a CSTR digester (continuous stirred tank reactor) at mesophilic temperature conditions (37C°) with a retention time of 45 days. The results obtained show that this dairy sludge(DS) has an encouraging proportion of volatile solids around 88 %, the maximum methanogenic yield potential reached 434 (NmL / g VS added) and the biodegradability recorded was 96 % at these conditions. In this context, one tone of dairy sludge could generate approximately 57kwh/year of electric power through the anaerobic digestion process. This will reduce considerably the industries of electrical energy consumption.
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