INDUSTRIAL WATER TREATMENT ›› 2016, Vol. 36 ›› Issue (7): 29-34. doi: 10.11894/1005-829x.2016.36(7).029

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Study on the controlled oxidation of coagulation enhancement used on highly concentrated surfur-bearing wastewater

Wang Bing1,2, Chen Dandan1, Ren Hongyang1,2, Li Yongtao1,2, Wang Dan1, Lin Qi1,3   

  1. 1. School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China;
    2. Oil and Gas Field Pollution Control and Environmental Security Key Laboratory of Environmental Protection in Sichuan, Chengdu 610500, China;
    3. Security Environmental Protection Technology Research Institute of Petrochina, Dalian 116000, China
  • Revised:2016-05-20 Online:2016-07-20 Published:2016-08-10

高含硫废水受控氧化的混凝强化研究

王兵1,2, 陈丹丹1, 任宏洋1,2, 李永涛1,2, 王丹1, 林奇1,3   

  1. 1. 西南石油大学化学化工学院, 四川成都 610500;
    2. 四川省环境保护油气田污染防治与环境安全重点实验室, 四川成都 610500;
    3. 中石油安全环保技术研究院, 辽宁大连 116000
  • 作者简介:王兵(1979—),教授。E-mail:wangb@swpu.edu.cn。
  • 基金资助:

    “十二五”国家科技支撑计划项目(2011BAC06B05);中国石油化工集团科技开发项目(114120)

Abstract:

Using peroxide as oxidant,and poly dimethyl diallyl ammonium chloride(PDM)as coagulant,controlled oxidation treatment has been used on the highly concentrated sulfur-bearing wastewater. The influences of coagulation enhancement mechanism on desulfurization effect are investigated. The results show that under the following conditions the mass concentration of PDM added is 1.0 mg/L,initial pH 6,peroxide dosage 9 mL/L and reaction time 15 min,the sulfide removing rate in the coagulation enhancement system reaches 99.09%,and elemental sulfur output is 1 588.5 mg/L,compared with ordinary systems,increasing by 1% and 14%,respectively. The SO42- output is 209.69 mg/L,compared with ordinary systems,decreasing by 8%.

Key words: sulfur-bearing wastewater, elemental sulfur, oxidation process, coagulation enhancement

摘要:

以过氧化氢为氧化剂、聚二甲基二烯丙基氯化铵(PDM)为混凝剂对高含硫废水进行控制氧化处理,考察了混凝强化机制对脱硫效果的影响。结果表明,在PDM投加质量浓度为1.0 mg/L,初始pH为6,过氧化氢投加量为9 mL/L,反应时间为15 min的条件下,混凝强化体系中硫化物去除率达99.09%,单质硫产量为1 588.5 mg/L,较普通反应体系分别提高了1%和14%;SO42-产量为209.69 mg/L,较普通体系降低了8%。

关键词: 含硫废水, 单质硫, 氧化历程, 混凝强化

CLC Number: