页岩气压裂返排液电渗析脱盐处理技术研究
张傲,王好,冉凡,张琳婧,陈子薇,任宏洋

Research on electrodialysis desalination technology for shale gas fracturing flowback fluid
Ao ZHANG,Hao WANG,Fan RAN,Linjing ZHANG,Ziwei CHEN,Hongyang REN
表3 电渗析过程中离子质量浓度随时间的变化
Table 3 Variation of ion mass concentration with time during electrodialysis
时间/min

K+/

(mg·L-1

Na+/

(mg·L-1

Ca2+/

(mg·L-1

Mg2+/

(mg·L-1

Cl-/

(mg·L-1

SO42-/

(mg·L-1

0181.214 064.0763.42 245.514 180.486.8
5141.38 853.6184.2335.26 846.67.8
1081.26 219.531.6105.25 455.27.2
1532.62 021.48.642.63 540.86.8
2018.51 413.25.521.52 130.65.6
254.5551.84.218.3812.54.8
303.2468.23.115.8525.23.9
352.8444.62.912.4517.63.6
402.6441.02.511.2478.42.8
452.3436.22.28.7476.22.4
502.2435.41.87.2482.51.6
551.8434.51.66.8478.30.9
601.2434.21.26.5482.70.6