基于高溶气量的新型气浮系统的性能

doi:10.3969/j.issn.0438-1157.2013.03.044

化工学报 ›› 2013, Vol. 64 ›› Issue (3): 1099-1105.DOI: 10.3969/j.issn.0438-1157.2013.03.044

基于高溶气量的新型气浮系统的性能

王新海¹, 郑伟¹, 马骏², 马双龙¹, 刘小强¹, 张庆友¹

1. 河南大学化学化工学院环境与分析科学研究所,河南开封 475004;
2. 蓝星环境工程有限公司国家环境保护膜分离工程技术中心,北京 101300

收稿日期:2012-07-19 修回日期:2012-10-23 出版日期:2013-03-05 发布日期:2013-03-05
通讯作者: 王新海(1973—),男,博士,副教授。
作者简介:王新海(1973—),男,博士,副教授。
基金资助:
教育部留学回国人员科研启动基金资助项目(2009(1001))。

Performance of new flotation system based on high dissolved air content

WANG Xinhai¹, ZHENG Wei¹, MA Jun², MA Shuanglong¹, LIU Xiaoqiang¹, ZHANG Qingyou¹

1. Institute of Environmental and Analytical Sciences, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, Henan, China;
2. State Environmental Protection Engineering Center for Membrane Technology of China, Blue Star Environmental Engineering Co. Ltd., Beijing 101300, China

Received:2012-07-19 Revised:2012-10-23 Online:2013-03-05 Published:2013-03-05
Supported by:
supported by the Scientific Research Foundation for the Returned Overseas Chinese Scholars,Ministry of Education (2009(1001)).

摘要/Abstract

关键词: 气浮, 溶解氧, 微细气泡, 活性黄KE-4RN

Abstract: A new kind of flotation system with high dissolved air content was developed through investigating the fundamental principles of oxygen transfer in water and hydromechanics.The air dissolving and releasing performance of the new flotation was studied based on the clean water aeration and coagulation-flotation experiment of reactive yellow KE-4RN simulated waste water.The results showed that the new flotation system had such advantages as high oxygenation capacity,low working pressure,high dissolved air content,small bubble size,no packing and low energy consumption.In the experiments of oxygen-free water aeration,the mass transfer coefficient of O₂ K_La(20) was 0.4151 min^-1.Meanwhile the content of saturated dissolved oxygen in clean water was high(more than 11.00 mg·L^-1) and the produced micro-bubbles had a mean diameter of 38 μm.A removal rate of 99.0% could be achieved for reactive yellow KE-4RN simulated waste water by coagulation and air flotation under the experimental conditions of dye concentration 100 mg·L^-1,dosage of polymerization aluminum chloride(PAC)800 mg·L^-1 and dosage of polyacrylamide(PAM) 20 mg·L^-1.

Key words: flotation, dissolved oxygen, micro-bubble, reactive yellow KE-4RN

中图分类号:

王新海, 郑伟, 马骏, 马双龙, 刘小强, 张庆友. 基于高溶气量的新型气浮系统的性能[J]. 化工学报, 2013, 64(3): 1099-1105.

WANG Xinhai, ZHENG Wei, MA Jun, MA Shuanglong, LIU Xiaoqiang, ZHANG Qingyou. Performance of new flotation system based on high dissolved air content[J]. CIESC Journal, 2013, 64(3): 1099-1105.

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基于高溶气量的新型气浮系统的性能

Performance of new flotation system based on high dissolved air content

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