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摘要: |
根据在测定酸化废水COD值重复再现性几率较小,跳跃幅度较大的特点,通过大量的实验研究,探讨了油田酸化废水COD测定中的4个影响因素及消除办法。实验结果表明,Cl^-含量对COD值的影响最大,其次为石油类含量,而加热回流时间和悬浮物含量对测定结果的影响不大。这些影响因素不仅存在于油田废水的COD测定中,而且在其它类型的废水处理中也存在类似的问题,此方法亦可作为借鉴。 |
关键词: 油田废水 COD 测定 影响因素 消除方法 石油类 氯离子 |
DOI: |
分类号:X832 |
基金项目: |
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DISCUSSION ON INFLUENCE FACTORS AND REMOVAL METHODS IN DETERMINING COD OF WASTEW ATER IN OILFIELD |
Wan Liping Meng Yingfeng Zhao Lizhi
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Abstract: |
Based on the characters of low ratio of repeatability and wide variation of range in determining COD of acidizing wastewater in oilfield, author discussed four influence factors and removal methods through much laborat ory research. The experimental res |
Key words: wastewater, COD, chlorine ion, petroleum co ntent |