天然气与石油2018，Vol.36Issue(1)：85-89,5.DOI:10.3969/j.issn.1006-5539.2018.01.015
高浓度气田生产废水预处理工艺中试研究
Pilot Experiment on High Concentration Gasfield Wastewater Pretreatment Process
摘要
Abstract
In view of the issues of difficult treatment of high concentration CODcr, oil and polymer organic matter in gas field wastewater, a set of pretreatment process for high concentration gas field wastewater was developed,and pilot-scale study was carried out. The reasonable control parameters were found out by investigating oxidation and precipitation reagent dosage, reaction time, reaction temperature and multi-condition combination test. It was proved that the pretreatment process of"catalytic oxidation-flocculation precipitation"could effectively degrade the polymer organics in wastewater during physicochemical treatment,which stabilized removal rate of CODcr above 30 % and increased waste water biodegradability B/C value from 0.14 to 0.46. The pretreatment process of"catalytic oxidation-flocculation precipitation"creates conditions for subsequent biochemical treatment.关键词
高浓度气田废水/废水处理/物化预处理Key words
High concentration gasfield wastewater/Wastewater treatment/Physical and chemical pre-treatment引用本文复制引用
周宁,何化..高浓度气田生产废水预处理工艺中试研究[J].天然气与石油,2018,36(1):85-89,5.基金项目
国家科技重大专项"大型油气田及煤层气开发"长宁威远页岩气示范工程(2016 ZX 05062-007) （2016 ZX 05062-007）
