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电化学法脱除溶液中硫化物的研究
引用本文:崔磊,匡飞,施岱艳,杜磊,李林辉,陆卫婷,张金钟,上官昌淮.电化学法脱除溶液中硫化物的研究[J].精细石油化工,2013,30(2):55-58.
作者姓名:崔磊  匡飞  施岱艳  杜磊  李林辉  陆卫婷  张金钟  上官昌淮
作者单位:1. 中国石油集团工程设计有限责任公司西南分公司,四川成都,610041;中国石油天然气集团公司石油管力学和环境行为重点实验室四川研究室,四川成都610041
2. 新疆众合有限公司,新疆乌鲁木齐,830013
3. 四川省化工设计院,四川成都,610015
摘    要:采用电化学氧化脱硫的方法,以高纯碳电极为工作电极研究了含硫物质在碱性电解质中的脱硫规律,并分别考察电解电压、电解时间、电解温度对脱硫效率的影响。在电解质为1.0mol/L的氢氧化钠溶液中,将硫离子氧化为硫酸根的适宜条件为:电解电压为1.25V、电解时间为2 400s、电解温度为333K,在此条件下,0.1mol/L的硫溶液的电化学脱硫的效率可达有99.0%以上。

关 键 词:硫化物  循环伏安法  电化学氧化  脱硫效率

STUDY ON THE SULFIDE IONS IN SOLUTION REMOVAL BY ELECTROCHEMICAL METHOD
Affiliation:Cui Lei1,2,Kuang Fei3,Shi Daiyan1,2,Du Lei1,2,Li Linhui1,2, Lu Weiting4,Zhang Jinzhong1,2,Shangguan Changhuai1,2 (1.China Petroleum Engineering Co.,Ltd.Southwest Company,Chengdu 610041,Sichuan,China; 2.Department for Tubular Goods Corrosion and Protection in Sour Oil and Gas Fields of Key Laboratory of Petroleum Tubular Goods Engineeing,CNPC,Chengdu 610041,Sichuan,China; 3.Xinjiang JOINWORLD Co.,Ltd.,Wulumuqi 830013,Xinjiang,China; 4.Sichuan Chemical Engineering Design Instiute,Chengdu 610015,Sichuan,China)
Abstract:Electrochemical oxidation desulfurization method was adopted to study the desulfurization regularity in alkaline liquor with high pure carbon electrodes as anode and cathode.The effects of elec-trolysis conditions,such as electrolysis voltage,electrolysis time and electrolysis temperature,on desulfurization ratio were studied.The result indicated that the suitable conditions for oxidizing sulfide ion to sulfate ion in 1.0 mol/L sodium hydroxide solution electrolytic system were: electrolytic voltage was 1.25 V,electrolytic time was 2 400 s and electrolytic temperature was 333 K.Under above conditions,the desulfurization efficiency could be above 99.0% in 0.1 mol/L of sulfur solution.
Keywords:sulfide  cyclic voltammetry  electrochemical oxidation  desulfurization efficiency
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