公开(公告)号：US20210309540A1

公开(公告)日：2021-10-07

申请号：US17348139

申请日：2021-06-15

申请人： THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK

发明人： Ngai Yin YIP ,  Chanhee BOO ,  Kinnari SHAH ,  Ian BILLINGE ,  Robert WINTON ,  Eliza DACH

IPC分类号： C02F1/26 ,  C02F1/04 ,  C02F1/66 ,  C02F1/44

摘要： Systems and methods of performing temperature swing solvent extraction (TSSE) descaling of produced water and desalination of high-salinity brines, e.g., those having a total dissolved solids (TDS) greater than about 250,000 ppm are capable of producing descaled water products including less than about 5% weight percent TDS. The brine/produced water feedstreams and combined with a solvent having temperature-dependent water solubility at a temperature TL. Water is extracted from the feedstream into the solvent to form a water-in-solvent extract component and a raffinate component, from which a solid phase can be precipitated as more water is portioned in the solvent and basicity increases. Heating of the water-in-solvent extract component reduces the solubility of the water therein, producing a biphasic mixture of dewatered solvent and descaled water that can be separated. Because these systems and methods do not require a phase change of water, these products are achieved with significantly higher energy efficiencies when compared to evaporation-based thermal methods.

公开(公告)号：US20220017385A1

公开(公告)日：2022-01-20

申请号：US17346915

申请日：2020-05-18

申请人： THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK

发明人： Ngai Yin YIP ,  Chanhee BOO ,  Kinnari SHAH ,  Ian BILLINGE ,  Robert Winton ,  Eliza DACH

IPC分类号： C02F1/26 ,  C02F1/04

摘要： Systems and methods of performing temperature swing solvent extraction (TSSE) descaling of produced water and desalination of high-salinity brines, e.g., those having a total dissolved solids (TDS) greater than about 250,000 ppm are capable of producing descaled water products including less than about 5% weight percent TDS. The brine/produced water feedstreams and combined with a solvent having temperature-dependent water solubility at a temperature TL. Water is extracted from the feedstream into the solvent to form a water-in-solvent extract component and a raffinate component, from which a solid phase can be precipitated as more water is portioned in the solvent and basicity increases. Heating of the water-in-solvent extract component reduces the solubility of the water therein, producing a biphasic mixture of dewatered solvent and descaled water that can be separated. Because these systems and methods do not require a phase change of water, these products are achieved with significantly higher energy efficiencies when compared to evaporation-based thermal methods.

公开(公告)号：US20230242418A1

公开(公告)日：2023-08-03

申请号：US18131444

申请日：2023-04-06

申请人： THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK

发明人： Ngai Yin YIP ,  Chanhee BOO ,  Kinnari SHAH ,  Ian BILLINGE ,  Robert WINTON ,  Eliza DACH

IPC分类号： C02F1/26 ,  C02F1/04 ,  C02F1/66 ,  C02F1/44

CPC分类号： C02F1/265 ,  C02F1/042 ,  C02F1/66 ,  C02F1/444 ,  C02F2209/02 ,  C02F2103/10

摘要： Systems and methods of performing temperature swing solvent extraction (TSSE) descaling of produced water and desalination of high-salinity brines, e.g., those having a total dissolved solids (TDS) greater than about 250,000 ppm are capable of producing descaled water products including less than about 5% weight percent TDS. The brine/produced water feedstreams and combined with a solvent having temperature-dependent water solubility at a temperature TL. Water is extracted from the feedstream into the solvent to form a water-in-solvent extract component and a raffinate component, from which a solid phase can be precipitated as more water is portioned in the solvent and basicity increases. Heating of the water-in-solvent extract component reduces the solubility of the water therein, producing a biphasic mixture of dewatered solvent and descaled water that can be separated. Because these systems and methods do not require a phase change of water, these products are achieved with significantly higher energy efficiencies when compared to evaporation-based thermal methods.

公开(公告)号：US20230174391A9

公开(公告)日：2023-06-08

申请号：US17348139

申请日：2021-06-15

申请人： THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK

发明人： Ngai Yin YIP ,  Chanhee BOO ,  Kinnari SHAH ,  Ian BILLINGE ,  Robert WINTON ,  Eliza DACH

IPC分类号： C02F1/26 ,  C02F1/04 ,  C02F1/66 ,  C02F1/44

CPC分类号： C02F1/265 ,  C02F1/042 ,  C02F1/66 ,  C02F1/444 ,  C02F2103/10

摘要： Systems and methods of performing temperature swing solvent extraction (TSSE) descaling of produced water and desalination of high-salinity brines, e.g., those having a total dissolved solids (TDS) greater than about 250,000 ppm are capable of producing descaled water products including less than about 5% weight percent TDS. The brine/produced water feedstreams and combined with a solvent having temperature-dependent water solubility at a temperature TL. Water is extracted from the feedstream into the solvent to form a water-in-solvent extract component and a raffinate component, from which a solid phase can be precipitated as more water is portioned in the solvent and basicity increases. Heating of the water-in-solvent extract component reduces the solubility of the water therein, producing a biphasic mixture of dewatered solvent and descaled water that can be separated. Because these systems and methods do not require a phase change of water, these products are achieved with significantly higher energy efficiencies when compared to evaporation-based thermal methods.