Factors affecting phosphorous removal and reaction kinetics for Fe(Ⅱ)/O2 system

doi:10.3969/j.issn.0438-1157.2013.05.046

CIESC Journal ›› 2013, Vol. 64 ›› Issue (5): 1840-1846.DOI: 10.3969/j.issn.0438-1157.2013.05.046

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Factors affecting phosphorous removal and reaction kinetics for Fe(Ⅱ)/O₂ system

LI Ting, DONG Wenyi, WANG Hongjie, LIN Jinnan, ZHANG Qian, OUYANG Feng

Environmental Science & Engineering Research Center, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen Key Laboratory of Water Resource Application and Environmental Pollution Control, Shenzhen 518055, Guangdong, China

Received:2012-10-10 Revised:2012-12-10 Online:2013-05-05 Published:2013-05-05
Supported by:
supported by the China Major Science and Technology Program for Water Pollutant Control and Treatment(2008ZX07317-02), the Ministry of Housing and Urban-Rural Development Item(2012-k7-18).

Fe(Ⅱ)/O₂除磷的影响因素及反应动力学

李婷, 董文艺, 王宏杰, 林进南, 张岍, 欧阳峰

哈尔滨工业大学深圳研究生院, 深圳市水资源利用与环境污染控制重点实验室, 广东深圳 518055

通讯作者: 董文艺
作者简介:李婷(1986-),女,博士研究生。
基金资助:
国家水体污染控制与治理科技重大专项(水专项)(2008ZX07317-02);住房和城乡建设部研究开发项目(2012-k7-18)。

Abstract

Abstract: Considering low cost and high efficiency of ferrous iron for phosphorous removal, ferrous iron was used for removing phosphorous in wastewater by oxidation.The efficiency, affecting factors and kinetics of the oxidation process of ferrous iron were studied in this paper.The results show that simultaneous oxidation of ferrous iron can improve significantly the efficiency of phosphorous removal by ferrous iron.When DO raise from 0 to 4 mg稬^-1, the rate of phosphorous removal increases by 47% after 60 min.The rate increases first and then decreases with pH from 6.0 to 9.0.The optimal pH is 8.0.Both raise of temperature and initial concentration of ferrous iron can enhance phosphate removal.A series of basic data are provided for wide use of ferrous iron.

Key words: ferrous iron, phosphate removal, reaction condition, kinetics

关键词: 亚铁, 磷去除, 影响因素, 动力学

CLC Number:

X522

LI Ting, DONG Wenyi, WANG Hongjie, LIN Jinnan, ZHANG Qian, OUYANG Feng. Factors affecting phosphorous removal and reaction kinetics for Fe(Ⅱ)/O₂ system[J]. CIESC Journal, 2013, 64(5): 1840-1846.

李婷, 董文艺, 王宏杰, 林进南, 张岍, 欧阳峰. Fe(Ⅱ)/O₂除磷的影响因素及反应动力学[J]. 化工学报, 2013, 64(5): 1840-1846.

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Factors affecting phosphorous removal and reaction kinetics for Fe(Ⅱ)/O₂ system

Fe(Ⅱ)/O₂除磷的影响因素及反应动力学

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