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气井钻井废水深度处理实验研究

EXPERIMENTAL RESEARCH ON DEEP DISPOSAL OF DRILLING WASTEWATER

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【作者】 黄志宇鲁红升李建波王健石中玉

【Author】 Huang Zhiyu1, Lu Hongsheng1, Li Jianbo, Wang Jian1 and Shi Zhongyu2 (1. Southwest Petroleum Institute; and 2. Zhulie Water Purifying Ag ent Industry Company, Ltd., Chengdu)

【机构】 西南石油学院成都市助洌净水剂工业有限责任公司

【摘要】 气井钻井废水是气田开发过程中的一个重要污染源,其污染物成分复杂、分布广,对环境的影响很大。文章以气井钻井废水为处理对象,实验研究了预处理和类Fenton试剂催化氧化法深度处理工艺,考察了Fen ton试剂投加量、反应条件、反应时间等单因数对处理效果的影响,确定了该处理工艺的最佳操作条件为: H2O2 为2500 mg/L,Fe2SO4·7H2O为70 mg/L,pH值为3.5,反应时间为90 min,氧气的通入量为70 min。废水中的主要污染物指标COD的去除率大于80%。

【Abstract】 The drilling wastewater is a main contaminati on source in the process of gas field development. Its pollutant composition is complicated and its effect on environment is very great owing to its wide distri bution. The experimental researches on the pretreatment and deep disposal of dri lling wastewater by the Fenton reagent-like catalyzing-oxidizing method were c arried out; the effects of the amount, reaction conditions or reaction time on disposal result were examined respectively; and the optimal operating conditio ns were determined as follows: H 2O 2 is 2500 mg/l; Fe 2SO 4·7H 2O 70 mg /l; pH value 3.5;reaction time 90 min and oxygen entering amount 70 min. Under these condition, the COD (main Pollutant index) removal ratios are more than 8 0% for most experiments.

【基金】 四川省重点学科及油气田化学品四川省重点实验室(SJD0413,005)项目资助。~~
  • 【文献出处】 天然气工业 ,Natural Gas Industry , 编辑部邮箱 ,2005年05期
  • 【分类号】X741
  • 【被引频次】22
  • 【下载频次】262
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