Research on Diospyros Kaki L.f leaf extracts as green and eco-friendly corrosion and oil field microorganism inhibitors

被引：14
作者：
Chen, Gang [1 ]
Hou, Xiao-qing [1 ]
Gao, Qi-long [1 ]
Zhang, Li [1 ]
Zhang, Jie [1 ]
Zhao, Jing-rui [2 ]
机构：
[1] Xian Shiyou Univ, Coll Chem & Chem Engn, Xian 710065, Shaanxi, Peoples R China
[2] Shaanxi Haian Ind Co LTD, Xian 710065, Shaanxi, Peoples R China
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2015年 / 41卷 / 01期
基金：
美国国家科学基金会;
关键词：
Oil field; Produced water; Acid corrosion; Microbiological corrosion; MILD-STEEL; ANTIOXIDANT ACTIVITY; ACID CORROSION; TANNIN; BEHAVIOR; COPPER;
D O I：
10.1007/s11164-013-1170-8
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Extracts of Diospyros Kaki L.f (persimmon) leaves were investigated, by using weight loss and potentiodynamic polarisation techniques, as green and eco-friendly corrosion inhibitors of Q235A steel in 1 M HCl. The inhibition efficiency of the extracts varied with extract concentration from 10 to 1,000 mg/L, and the highest efficiency was 94.3 %. The extracts inhibit corrosion mainly by an adsorption mechanism. Potentiodynamic polarization studies indicate that extracts are mixed-type inhibitors. In addition, the extracts were screened for antibacterial activity against oil field microorganisms, and they showed good to moderate activity against SRB, IB, and TGB.
引用
收藏
页码：83 / 92
页数：10
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