PRODUCED WATER TREATMENT SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a produced water treatment system capable of inexpensively and flexibly setting a salt concentration of water obtainable by reusing produced water.SOLUTION: A produced water treatment system 100 includes: a raw water passage that permits passage of produced water; a desalting passage that is connected to the raw water passage and to a membrane distillation device for removing a salt content in the produced water passing through the raw water passage; and a bypass passage that is connected to the desalting passage and supplies produced water to desalted water obtained by desalting in the membrane distillation device.SELECTED DRAWING: Figure 1