摘要
酸化碳酸盐地层后的返排水(残酸液)高含氯化钙,用浓硫酸处理制成稀盐酸,可再次用于碳酸盐地层的酸化作业。
In acidizing carbonate tenestrial layer,the recycled liquid contains a lot of CaCl_2.Treating with concentrated sulfuric acid,the waste liquid can be changed into dilute hydrochloric acid,which can be used in acidizing carbonate layer again.
出处
《水处理技术》
CAS
CSCD
北大核心
1993年第1期48-53,共6页
Technology of Water Treatment
关键词
硫酸
盐酸
酸化
油气田
废水处理
oil field
waste water
sulfuric acid
hydrochloric acid