Corrosion Inhibition by Co-Immobilized Lysozyme and Lipase in Circulating Cooling Water System

被引：0

作者：

Liu Fang ^{[1
]}

Lü Yucui ^{[1
]}

Jiang Guofei ^{[1
]}

Chen Xiaorui ^{[1
]}

Sun Juan ^{[1
]}

Zhao Chaocheng ^{[1
]}

机构：

[1] State Key Laboratory of Petroleum Pollution Control, Department of Environmental and Safety Engineering, China University of Petroleum,Qingdao

来源：

ChinaPetroleumProcessing&PetrochemicalTechnology | 2017年 / 19卷 / 02期

基金：

中国国家自然科学基金;

关键词：

circulating cooling water; co-immobilization; lysozyme; lipase; corrosion inhibition;

D O I：

暂无

中图分类号：

Q814 [酶工程]; TE986 [油气加工设备的腐蚀与防护];

学科分类号：

080706 ; 082203 ;

摘要：

The corrosion inhibition performance of co-immobilized lysozyme and lipase was investigated in a recirculating cooling water system. Four methods were carried out in co-immobilization, and the operating parameters were optimized by using the respond surface methodology(RSM). The corrosion inhibition performance of co-immobilized lipase and lysozyme was evaluated by weight loss measurements and electrochemical measurements. The results revealed that the optimal co-immobilization method should be the sequential immobilization of lysozyme and then lipase. The inhibition efficiency was 86.10% under the optimal co-immobilized conditions. Electrochemical data showed that co-immobilized lysozyme and lipase was a mixed-type inhibitor and the corrosion inhibition efficiency was 81%.

引用

页码：21 / 32

页数：12

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