生物酶法催化火锅废油制备生物柴油
Hubei Agricultural Sciences(2014)
Abstract
以重庆火锅废油为原料,甲醇为酰基受体,凯泰固定化脂肪酶为催化剂,采用固定床反应体系研究了生物酶法催化餐饮废油制备生物柴油的工艺.结果表明,经过顸处理的火锅废油,分3次投加甲醇、正己烷用量10%、含水率10%、生物酶用量20%、水浴温度47.5℃,于高径比为12.5:1.0、柱流速为0.6 mL/min的固定床装置中反应24 h,生物柴油产率达76.5%.采用减压蒸馏方法精制后生物柴油产率可达90%以上,说明生物酶法催化火锅废油制备生物柴油工业化生产具有可行性.
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Key words
biodiesel,waste cooking oil,hot pot,bio-enzyme
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