响应面法优化钡盐转化法重铬酸钠的制备工艺

化工进展

响应面法优化钡盐转化法重铬酸钠的制备工艺

田颖1，2，3，4，王学魁1，3，高毅颖2，4，徐红彬2，4，沙作良1，3，张懿2，4

1天津科技大学海洋科学与工程学院，天津 300457；2中国科学院过程工程研究所，北京 100190；3天津市海洋资源与化学重点试验室，天津 300457；4湿法冶金清洁生产技术国家工程试验室，北京 100190

出版日期:2011-11-05 发布日期:2011-11-05

Response surface methodology based process optimization of sodium dichromate preparation with barium salt as conversion intermediates

TIAN Ying1，2，3，4，WANG Xuekui1，3，GAO Yiying2，4，XU Hongbin2，4，SHA Zuoliang1，3，ZHANG Yi2，4

1College of Marine Science and Engineering，Tianjin University of Science & Technology，Tianjin 300457，China；2Institute of Process Engineering，Chinese Academy of Sciencs，Beijing 100190，China；3Tianjin Key Laboratory of Marine Resources & Chemistry，Tianjin 300457，China；4National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology，IPE，Beijing 100190，China

Online:2011-11-05 Published:2011-11-05

摘要/Abstract

摘要：

应用响应面法对通过钡盐转化法制备重铬酸钠的工艺进行了优化，在单因素试验基础上，选定反应温度、反应时间和液固比为影响因子，以铬酸钡的转化率为响应值，采用Design-Expert软件设计三因素三水平的响应面分析方法，由此得到最优工艺参数为：反应温度80 ℃、反应时间400 min、液固比9∶1（体积质量比mL/g）。在此条件下进行试验，得到铬酸钡的转化率实际值是95%，与预测值非常接近，响应面法可有效用于钡盐转化法制备重铬酸钠工艺的优化。

Abstract:

Response surface methodology was applied to optimize the preparation process of sodium dichromate with barium salt as conversion intermediates. Based on single factor experiments，Design-Expert was used to design the experiments with 3 factors，including reaction temperature，reaction time and liquid to solid ratio，and 3 parameter levels. The best process parameters were determined as the reaction temperature of 80 ℃，the reaction time of 400 min，and the ratio of liquid to solid of 9∶1 in mL/g. Under this optimized condition，the conversion rate was 95%，very close to the predicted value，indicating that the response surface methodology was effective for process optimization.

田颖1，2，3，4，王学魁1，3，高毅颖2，4，徐红彬2，4，沙作良1，3，张懿2，4. 响应面法优化钡盐转化法重铬酸钠的制备工艺[J]. 化工进展.

TIAN Ying1，2，3，4，WANG Xuekui1，3，GAO Yiying2，4，XU Hongbin2，4，SHA Zuoliang1，3，ZHANG Yi2，4. Response surface methodology based process optimization of sodium dichromate preparation with barium salt as conversion intermediates[J]. Chemical Industry and Engineering Progree.