Patent ID: 9561471
Date: 2017-02-07
CPC Classifications: B01D,C02F

Claim:
1. A method for treating a brine stream comprising: treating a brine stream influent in an electrodialysis-reversal process to produce a concentrated brine stream effluent and a lower salinity diluent stream effluent; processing said concentrated brine stream effluent in a brine treatment scaling control system that has a mixing vessel and a membrane filter with said mixing vessel seeded with calcium sulfate, wherein said processing produces a lowered salinity brine stream effluent and an elevated concentrated brine stream effluent; and returning said lowered salinity brine stream effluent to a brine loop of said electrodialysis-reversal process wherein said electrodialysis-reversal process has two process flow inputs with a first input of said two process flow inputs connected to a demineralization portion of a membrane stack and a second input of said two process flow inputs connected to a concentrating portion of the membrane stack, wherein said brine loop is connected to said second input.