Shale gas exploitation flowback fluid treatment system

• Main Authors: HUANG YANXIN, LU YANG, WANG ZHIHONG, HAO YUSEN, CHEN DALONG, TANG LEI, HUANG ZHONG
• Format: Patent
• Language: Chinese; English
• Published: 29.01.2021
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a shale gas exploitation flowback fluid treatment system which comprises an adjusting tank, an air floatation oil removal tank connected with the adjusting tank, a coagulativeprecipitation tank connected with the air floatation oil removal tank, a Fenton tower connected with the coagulative precipitation tank, a gel breaking precipitation tank connected with the Fenton tower, an ozonation tower connected with the gel breaking precipitation tank, a multi-medium filter connected with the ozonation tower, a tubular ultrafiltration membrane connected with the multi-mediumfilter, a DTRO special membrane connected with the tubular ultrafiltration membrane, crystallization equipment connected with the DTRO special membrane, and solid waste treatment equipment connected with the crystallization equipment, permeate liquid of the DTRO special membrane is connected with a sewage treatment plant through a pipeline. According to the shale gas exploitation flowback fluid treatment system, through re