沉淀法去除气田废水中氯离子  

Removal of Chloride Ion in Gasfield Wastewater by Precipitation Method

作　　者：张强[1] 张学梅 孙永华[1] 黄雪莲[3] 佟佩伦 

机构地区：[1]成都理工大学材料与化学业化工学院 [2]广东邦普循环科技有限公司 [3]中国建筑材料工业地质勘查中心四川测试研究所 [4]四川智源工程检测有限责任公司

出　　处：《油气田环境保护》2015年第5期58-60,93,共3页Environmental Protection of Oil & Gas Fields

摘　　要：为研究沉淀法去除气田废水中的氯离子,选用CaO和NaAlO_2作为处理剂,处理含氯气田废水,并研究工艺参数的影响。实验结果表明:CaO摩尔比为13、NaAlO_2摩尔比为4、温度40℃、溶液初始pH值为10,搅拌反应2 h时氯离子去除率最高。该条件下,二次除氯后氯离子浓度从2 338.14 mg/L降至181.18 mg/L,去除率为92.25%。In order to use precipitation method to remove chloride ions in gas field wastewater,CaO and NaAlO_2 were used as treatment agent for Chlorine ion treatment and the effects of process parameters were studied.Results showed the highest removal efficiency was received when molar ratio of CaO and NaAlO_2 wasl3:4,temperature was 40℃,initial pH was 10 and reaction time was 2 h.Under the condition of the optimum process,the chloride ion concentration reduced from 2 338.14 mg/L to 181.18 mg/L,and the removal rate was92.25%.

关 键 词：CAO NaAlO_2 氯离子 沉淀法 气田水 

分 类 号：X741[环境科学与工程—环境工程]