阳离子交换树脂对煤层气产出水除盐的研究  

Study on desalination of coal-bed methane produced water by cation exchange resin

作　　者：张继卫 范奇 李俊旗 常海洲[1] ZHANG Ji-wei;FAN Qi;LI Jun-qi;CHANG Hai-zhou(College of Science,University of Shanghai for Science and Technology,Shanghai 200093,China)

机构地区：[1]上海理工大学理学院,上海200093

出　　处：《应用化工》2021年第4期874-877,882,共5页Applied Chemical Industry

基　　金：国家自然科学基金(21276156)。

摘　　要：采用离子交换的方法,通过静态法和动态法两种方法来降低煤层气产出水的矿化度,研究阳离子交换树脂在不同工艺条件下对矿化度的影响。结果表明,树脂活化时间为2 d,且连续使用3次后需更新,交换时间最佳为3 h。在静态法处理过程中,水与树脂的比例为1∶0.5时,连续处理3次后除盐效果最佳,可达94.8%。动态法需采用双柱串联,流速为0.85 mL/min时,除盐率达到94.4%,本研究为工业上降低排出水的矿化度提供了有效的工艺依据。In order to meet the emission requirements,the method of ion exchange was used to study the demineralization of coal-bed methane produced water by static method and dynamic method,and the influence of ion exchange resin on the mineralization degree under different process conditions was studied.The result showed that the activation time of the resin is 2 d,and it needs to be renewed after 3 times of use,and the best exchange time is 3 h.When the input ratio of static method is 1∶0.5(water∶resin),the effect of desalting after three times of continuous treatment is the best,up to 94.8%.The dynamic method needs two columns in series,the flow rate is 0.85 mL/min,and the desalination rate is 94.4%.This study provides an effective technical basis for reducing the mineralization degree of the discharged water in industry.

关 键 词：煤层气产出水 离子交换 静态法 动态法 

分 类 号：TQ09[化学工程] X781[环境科学与工程—环境工程]