| 密封消解法测定高氯离子含盐废水COD_(Cr)的探讨 |
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| 引用本文： | 王志强,闫毓霞,桑玉全,施余勇,熊红英.密封消解法测定高氯离子含盐废水COD_(Cr)的探讨[J].油气田环境保护,2002,12(1):38-40. |
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| 作者姓名： | 王志强 闫毓霞 桑玉全 施余勇 熊红英 |
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| 作者单位： | 中国石化集团胜利油田有限公司,技术检测中心环保所 |
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| 基金项目： | 中国石化集团公司重点科研课题《胜利油田采油废水达标处理》的子课题之一 |
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| 摘 要： | 针对国标重铬酸钾法测定高氯离子含盐废水CODCr时的不足,提出用密封消解法来测定高盐废水CODCr的观点,通过丁酮氧化率、氯离子干扰、混配水样和实际水样测定结果的比较,对国标法和密封消解法进行了验证。试验结果表明:在测定高氯离子含盐废水CODCr值时,密封消解法优于重铬酸钾法,能够真实准确地反映废水的CODCr。
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| 关 键 词： | 高盐废水 COD_(Cr) 重铬酸钾法 密封消解法 |
| 修稿时间： | 2001年12月20 |
The Discussion on the Measurement of CODCr of Salty Waste Water with High Content of Chlorine Ion by the Method of Sealed Clearing Up |
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| Wang Zhiqiang,Yan Yuxia,Sang Yuquan,Shi Yuyong,Xiong Hongying.The Discussion on the Measurement of CODCr of Salty Waste Water with High Content of Chlorine Ion by the Method of Sealed Clearing Up[J].Environmental Protection of Oil & Gas Fields,2002,12(1):38-40. |
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| Authors: | Wang Zhiqiang Yan Yuxia Sang Yuquan Shi Yuyong Xiong Hongying |
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| Abstract: | In view of the inefficiency of measurement of CODCr of salty waste water with high content of chlorine ion by the method of heavy potassium chromate, the method of sealed clearing up to measure CODCr of salty waste water with high content of chlorine ion is introduced. Through the comparison between two methods in terms of oxidation rate of butanone, interference of chlorine ion, mixed water sample and actual water sample, the two methods are introduced in detail. The result of experiment shows that while measuring CODCr of salty waste water with high content of chlorine ion, the method of sealed clearing up is better than that of heavy potassium chromate, in terms of accurate measurement of CODCr of waste water. |
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| Keywords: | waste water with high content of salt CODCr method of heavy potassium chromate method of sealed clearing up |
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