改性镁铝水滑石固定化脂肪酶控制废纸浆中胶粘物的研究  

The Research of Stickies Control in Waste Paper Pulp by Immobilized Lipase on Modified Mg-Al Hydrotalcite

作　　者：马晓春 刘海生 张晖[2] 付时雨[2] 王柱 MA Xiaochun;LIU Haisheng;ZHANG Hui;FU Shiyu;WANG Zhu(Guangdong Paper Industrial Institute Co.,Ltd,Guangzhou 510300,China;State Key Laboratory of Pulp and Paper Engineering,South China University of Technology,Guangzhou 510640,China)

机构地区：[1]广东省造纸研究所有限公司,广东广州510300 [2]华南理工大学制浆造纸工程国家重点实验室,广东广州510640

出　　处：《造纸科学与技术》2021年第2期4-9,共6页Paper Science & Technology

基　　金：广东省科技计划项目(2017A070701035);广州市海珠区科技计划项目(海科工商信计2018-12)。

摘　　要：用NaOH/H_(2)O_(2)混合溶液对镁铝水滑石进行改性,以改性后的水滑石为载体对脂肪酶进行固定,并将固定化的脂肪酶用于造纸工业中胶黏物的控制,探究改性条件对酶的固定化及胶黏物去除的影响。结果表明,改性温度对酶的固定化影响较大。最优改性条件下酶的结合效率高达83.47%,胶黏物的去除率可达63.32%。对固定化的酶进行重复使用率的研究,表明固定化酶在胶黏物去除方面的重复使用率可达80%以上。Mg-Al hydrotalcite was modified with NaOH/H_(2)O_(2) mixed solution and lipase enzyme was immobilized on the modified hydrotalcite. The immobilized enzyme was used to control the stickies in paper industry. The effects of modification conditions on the immobilization of lipase and the removal of stickies were investigated. The results showed that the modification temperature had a great influence on the immobilization of lipase enzyme. Under the optimal conditions, the binding efficiency of lipase enzyme was 83.47%, and the removal rate of stickies was 63.32%. The results showed that the reuse rate of immobilized enzyme in mucilage removal was more than 80%.

关 键 词：改性镁铝水滑石 脂肪酶 酶固定化 胶黏物 

分 类 号：F407.83[经济管理—产业经济]