臭氧氧化合成臭葱石除砷

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曹俊雅¹，张凯伦^1,2，李媛媛²，张广积^2,3*

1. 中国矿业大学(北京)化学与环境工程学院，北京 100083；2. 中国科学院过程工程研究所绿色过程与工程重点实验室，北京 100190； 3. 中国科学院大学化学与化工学院，北京 100149

收稿日期:2017-12-12修回日期:2018-03-08出版日期:2018-06-22发布日期:2018-06-06
通讯作者:张广积

基金资助:臭氧微气泡氧化三价砷形成臭葱石沉淀除砷方法的研究;新型生物冶金测试反应器及气液固三相流测量仪器研制;中国科学院前沿科学重点研究项目;中国科学院科研装备研制项目

Arsenic Removal by Scorodite Synthesis Using Ozone Oxidation

Junya CAO¹, Kailun ZHANG^1,2, Yuanyuan LI², Guangji ZHANG^2,3*

1. School of Chemistry ? Environmental Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China; 2. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; 3. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100149, China

Received:2017-12-12Revised:2018-03-08Online:2018-06-22Published:2018-06-06
Contact:ZHANG Guang-ji

摘要/Abstract

摘要： 用臭氧发生器产生的臭氧氧化模拟酸性含砷废水，在95℃下加热反应7 h合成臭葱石，考察了Fe(II)氧化速率及溶液初始pH值对砷去除率及臭葱石合成的影响. 结果表明，提高Fe(II)氧化速率及增大初始pH值均可促进As沉淀. 初始pH为2.0时通入臭氧，溶液中As的最终去除率可达89.64%，反应所得臭葱石颗粒尺寸较大、结晶良好.

引用本文

曹俊雅张凯伦李媛媛张广积. 臭氧氧化合成臭葱石除砷[J]. 过程工程学报, 2018, 18(3): 517-521.
Junya CAO Kailun ZHANG Yuanyuan LI Guangji ZHANG. Arsenic Removal by Scorodite Synthesis Using Ozone Oxidation[J]. Chin. J. Process Eng., 2018, 18(3): 517-521.

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