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[1]金士威,易琼,张旭,等.应用恒界面池法研究磷酸三丁酯萃取磷酸的动力学[J].武汉工程大学学报,2011,(02):34-37.[doi:10.3969/j.issn.16742869.2011.02.009]
　JIN Shi wei,YI Qiong,ZHANG Xu,et al.Studies on extraction kinetics of phosphoric acid by tributyl phosphate using method of constant interfacial area stirred cell[J].Journal of Wuhan Institute of Technology,2011,(02):34-37.[doi:10.3969/j.issn.16742869.2011.02.009]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2011年02期
页码:
34-37
栏目:
化学与化学工程
出版日期:
2011-03-28

文章信息/Info

Title:
Studies on extraction kinetics of phosphoric acid by tributyl
phosphate using method of constant interfacial area stirred cell
文章编号:
16742869(2011)02003404
作者:
金士威1; 易琼2; 张旭1; 高荣1; 丁一刚1
1.武汉工程大学化工与制药学院,绿色化工过程省部共建教育部重点实验室,湖北 武汉 430074;
2.湖北大学化学化工学院,湖北 武汉 430062
Author(s):
JIN Shiwei1;  YI Qiong2;  ZHANG Xu1;  GAO Rong1;  DING Yigang1
1.School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology,
Key Laboratory for Green Chemical Process of Ministry of Education, Wuhan 430074, China;
2. Faculty of Chemistry & Chemical Engineering, Hubei University, Wuhan 430062, China
关键词:
磷酸; 盐酸; 磷酸三丁酯; 萃取动力学; 恒界面池
Keywords:
phosphoric acid;  hydrochloric acid;  tributyl phosphate;  extraction kinetics;  constant interfacial area stirred cell
分类号:
TQ013.2
DOI:
10.3969/j.issn.16742869.2011.02.009
文献标志码:
A
摘要:
采用恒界面池法研究了磷酸三丁酯(TBP)从盐酸法湿法磷酸体系萃取磷酸的动力学.考察了两相接触面积、搅拌强度、水相中初始磷酸和盐酸浓度等对磷酸萃取速率的影响.结果表明,磷酸的初始正向萃取速率随两相界面积、搅拌转速、水相初始磷酸和盐酸浓度的增大而增大.TBP对磷酸的萃取可能属扩散控制模式.其萃取动力学方程为R(H3PO4)=2.51×10-6C0.70(H3PO4)C0.61HCl.
Abstract:
The extraction kinetics of phosphoric acid in wetprocess with hydrochloric acid by tributyl phosphate (TBP) was investigated by using a constant interfacial area stirred cell. The effects of interfacial area between two phases, stirring rate, the initial concentrations of phosphoric acid and hydrochloric acid in aqueous phase on the extraction rate of phosphoric acid were studied. The results showed that the initial forward extraction rate of phosphoric acid increased with the increasing of interfacial area between the two phases, stirring rate, the initial concentrations of phosphoric acid and hydrochloric acid in aqueous phase. The process of phosphoric acid extraction with TBP might be controlled by a diffusion controlling regime. The extraction rate equation of phosphoric acid was established from experimental results as follows:R(H3PO4)=2.51×10-6C0.70(H3PO4)C0.61HCl.

参考文献/References:

［1］鄢笑非,周红,潘志权,等.盐酸湿法磷酸生产工艺优化［J］.武汉工程大学学报,2008,30(3):1113.
［2］李海延.我国磷矿资源的合理开发利用［J］.中国石油和化工,2006(8):2023.
［3］金士威,张中华,易琼,等.磷酸三丁酯萃取磷酸的动力学研究 ［J］.化工时刊,2005,19(7):1719.
［4］欧阳贻德,唐正姣,陈古圣,等.异戊醇从氯化物一磷酸体系中萃取盐酸的动力学［J］.化学工程,2008,36(9):14.
［5］高自立,孙思修,沈静兰.溶剂萃取化学［M］.北京:科学出版社,1991.
［6］Horner D E, Mailen J C, Coggins J R,et al. Interphase transfer kinetics of thorium between nitric acid and tributyl phosphate solutions using the single drop and the lewis cell techniques［J］.Ind Eng Chem Fundam,1980,19:287291.

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备注/Memo

备注/Memo:
收稿日期：20101207基金项目：国家十一五科技支撑计划(2007BAB08B09)作者简介：金士威（1972），男，浙江东阳人，副教授，博士.研究方向：无机盐生产新工艺及绿色化学工艺
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