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Supervisor：Jiangxi University Of Science And Technology
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Jiangxi Nonferrous Metals Society
ISSN：1674-9669
CN：36-1311/TF
CODEN YJKYA9
Volume 6 Issue 1
Feb.  2015
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YAN Qun, HAN Dongxue, XU Jing, TANG Meixiang. Pre-oxidation treatment experiment on the micro-polluted water in a reservoir[J]. Nonferrous Metals Science and Engineering, 2015, 6(1): 79-84. DOI: 10.13264/j.cnki.ysjskx.2015.01.015
Citation: YAN Qun, HAN Dongxue, XU Jing, TANG Meixiang. Pre-oxidation treatment experiment on the micro-polluted water in a reservoir[J]. Nonferrous Metals Science and Engineering, 2015, 6(1): 79-84. DOI: 10.13264/j.cnki.ysjskx.2015.01.015
shu

Pre-oxidation treatment experiment on the micro-polluted water in a reservoir

  • a.

    School of Architectural and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

  • b.

    School of Resource and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

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  • Received Date: July 06, 2014
  • Published Date: February 27, 2015
    Graphical Abstract
    • Abstract
  • Pre-oxidation and coagulation sedimentation process is proposed to treat the micro-polluted water in a reservoir in Southern Jiangxi considering the shortcomings of the conventional coagulation process. Using potassium permanganate as oxidant, we examine the effects of potassium permanganate preoxidation on the micro-polluted water treated by coagulation sedimentation. The results show that with the conditions of coagulation stirring intensity 260 r/min for 2 min, flocculation mixing intensity 80 r/min for 25 min, PAC dosage of 10 mg/L, the optimum pre-oxidation condition is that when pre-oxidation dosing point is 2 min earlier than coagulant dosing, potassium permanganate dosage is 1.0 mg/L, and pH value is 8. After the polluted water is treated by pre-oxidation and coagulation, the turbidity, CODMn, UV254, ammonia nitrogen, iron and manganese removal rates are 99.02 %, 68.78 %, 50.94 %, 33.96 %, 96.77 %, 81.67 % respectively. The effluent can meet the National Drinking Water Health Standards.
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    • References (25)
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