低溫含油污水凈水劑的研究

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Study of treatment chemicals for low-temperature oily wastewater

1. Metallurgical and Ecological Engineering School, University of Science and Technology Beijing, Beijing 100083, China;
2. Department of Safety and Environmental Protection, Xinyu Steel & Iron Co.Ltd.;
3. Oilfield Chemistry Department, China Research Institute of Petroleum Exploration and Development, Beijing 100083, China;
4. Jilin Oilfield Design Institute, Songyuan 138001, China

摘要: 為了解決低溫含油污水處理的難題,采用環氧氯丙烷開環聚合、二甲胺季胺化的方法合成陽離子凈水劑CY-16.現場污水處理評價實驗結果表明:與油田一些常用的凈水劑相比,CY-16凈水效果好、成本低.在投加15mg·L^-1 CY-16+5mg·L^-1 HPAM、水溫20℃和沉降30min的條件下,處理后的水中含油量不超過10mg·L^-1,懸浮物含量不超過15mg·L^-1,懸浮物粒徑平均中值也降至3.0μm左右.
- 低溫含油污水 /
- 凈水劑 /
- 懸浮物 /
- 含油量
Abstract: Cationic polymer CY-16 was synthesized to solve the problem of low-temperature oily wastewater. A series of evaluation tests with fresh wastewater demonstrated that, compared to other wastewater treatment chemicals often used in oilfields, CY-16 can achieve high efficiency both on oil removal and on suspended solids (SS) at extensively low cost. Under the condition of 15 mg·L^-1 CY-16 + 5 mg·L^-1 HPAM, water temperature 25℃, and sedimentation time 30 min, the final mass concentration of oil in treated wastewater decreased to no more than 10 mg·L^-1, that of SS no more than 30 mg·L^-1, and the median particle size of SS about 3.0μm.
- low-temperature oily wastewater /
- wastewater treatment chemical /
- suspended solids /
- oil content