公开(公告)号：US20110155665A1

公开(公告)日：2011-06-30

申请号：US12997568

申请日：2009-06-09

Applicant: Yoram Cohen ,  Brian C. McCool ,  Anditya Rahardianto

Inventor： Yoram Cohen ,  Brian C. McCool ,  Anditya Rahardianto

IPC: C02F9/02 ,  C02F1/44 ,  C02F1/52

CPC classification number: C02F1/441 ,  B01D61/022 ,  B01D61/025 ,  B01D61/04 ,  B01D65/08 ,  B01D2311/04 ,  B01D2317/022 ,  B01D2321/168 ,  C02F1/444 ,  C02F1/56 ,  C02F1/66 ,  C02F5/10 ,  C02F2001/007 ,  C02F2001/5218 ,  C02F2103/08 ,  Y02A20/131 ,  B01D2311/2642 ,  B01D2311/12 ,  B01D2311/18

Abstract: A method of desalting an aqueous solution includes performing a demineralization process on a concentrate solution to produce a demineralized solution and performing a desalting process. A method of recovering an aqueous solution includes performing a first membrane based separation process on a feed stream to produce a permeate stream and a concentrate stream, performing a demineralization process on the concentrate stream to produce a solid phase and a liquid phase, separating the solid phase from the liquid phase, and performing a second membrane based separation process on the liquid phase. The demineralization process includes adding chemical additives to induce calcium carbonate precipitation and subsequently adding gypsum seeds to the concentrate stream.

Abstract translation: 脱水水溶液的方法包括对浓缩液进行脱盐处理以产生脱盐溶液并进行脱盐处理。 回收水溶液的方法包括在进料流上进行第一膜分离方法以产生渗透物流和浓缩物流，对浓缩物流进行脱盐过程以产生固相和液相，分离固体 相，并且对液相进行第二膜分离处理。 脱盐过程包括添加化学添加剂以诱导碳酸钙沉淀，随后将石膏种子加入到浓缩物流中。