复合酶酶解餐厨垃圾的工艺条件优化研究  

Optimization of Process Conditions for Enzymatic Hydrolysis of Kitchen Waste with Compound Enzyme

作　　者：曲亮 郝景雯 黄华 许勤虎 王祥河 QU Liangfan;HAO Jingwen;HUANG Hua;XU Qinhu;WANG Xianghe(Tianjin Research Institute of Industrial Microbiology Co.,Ltd.,Tianjin 300462,China;Tianjin Line-seen Inspection&Certification Technology Co.,Ltd.,Tianjin 300462,China;Tianjin SF-Bio Industrial Bio-Tec Co.,Ltd.,Tianjin 300462,China;Tianjin Key Laboratory of Industrial Microbiology Enterprises,Tianjin 300462,China;Tianjin Industrial Microbial Engineering Technology Center,Tianjin 300462,China)

机构地区：[1]天津市工业微生物研究所有限公司,天津300462 [2]天津量信检验认证技术有限公司,天津300462 [3]天津实发中科百奥工业生物技术有限公司,天津300462 [4]天津市工业微生物企业重点实验室,天津300462 [5]天津市工业微生物工程技术中心,天津300462

出　　处：《天津科技》2023年第7期38-41,共4页Tianjin Science & Technology

摘　　要：采用复合酶处理餐厨垃圾,旨在酶解餐厨垃圾中的营养物质和降低其固形物含量。以餐厨垃圾的降解率为优化指标,通过单因素实验初步探究复合酶添加量及比例、酶解时间、反应初始pH值、酶解温度等因素对酶解反应的影响。采用L9(34)正交实验进行工艺优化,得到最佳工艺条件为酶制剂添加量0.7%、反应初始pH6.0、酶解温度55℃,此时餐厨垃圾的降解率为33.98%。The use of composite enzyme to treat kitchen waste aims to hydrolyze the nutrients in the waste and reduce its solid content.Taking the degradation rate of kitchen waste as index,the effects of compound enzyme dosage and proportion,enzymolysis time,initial pH value,enzymolysis temperature and other factors on enzymolysis reaction were preliminatively studied by single factor experiment.On this basis,the L9(34)orthogonal experiment was used to optimize the process conditions.The experimental results show that the optimum conditions for enzymolysis of kitchen waste with compound enzyme are as follows:enzyme dosage of 0.7%,initial reaction pH of 6.0,enzymolysis temperature of 55℃.At this time,the degradation rate of kitchen waste is 33.98%.

关 键 词：餐厨垃圾 复合酶 工艺优化 

分 类 号：X792[环境科学与工程—环境工程]