公开(公告)号：US11944952B2

公开(公告)日：2024-04-02

申请号：US17709716

申请日：2022-03-31

Applicant: Fuel Tech, Inc.

Inventor： Mingming Fang ,  Heng Wang

IPC: B01J20/20 ,  B01J20/08 ,  B01J20/10 ,  B01J20/12 ,  B01J20/14 ,  B01J20/28 ,  C02F1/28 ,  C02F101/10

CPC classification number: B01J20/20 ,  B01J20/08 ,  B01J20/103 ,  B01J20/12 ,  B01J20/14 ,  B01J20/28059 ,  C02F1/288 ,  B01J2220/42 ,  C02F1/281 ,  C02F2101/103 ,  C02F2101/106

Abstract: A composition and process for reducing contaminants from water which includes use of a water-insoluble adsorbent having a surface area of at least about 10 m2/g, where the adsorbent is coated with a water-soluble metal salt.

公开(公告)号：US20220387966A1

公开(公告)日：2022-12-08

申请号：US17709716

申请日：2022-03-31

Applicant: Fuel Tech, Inc.

Inventor： Mingming Fang ,  Heng Wang

IPC: B01J20/20 ,  B01J20/14 ,  B01J20/12 ,  B01J20/08 ,  B01J20/10 ,  B01J20/28 ,  C02F1/28

Abstract: A composition and process for reducing contaminants from water which includes use of a water-insoluble adsorbent having a surface area of at least about 10 m2/g, where the adsorbent is coated with a water-soluble metal salt.

公开(公告)号：US11332388B2

公开(公告)日：2022-05-17

申请号：US16999687

申请日：2020-08-21

Applicant: FUEL TECH, INC.

Inventor： Mingming Fang ,  Heng Wang

IPC: C02F1/28 ,  B01J20/12 ,  C02F101/10

Abstract: The description relates to a composition and a method for reducing the concentration of selenium in water. Contaminated water is contacted with a kaolinite clay characterized by a removal efficiency for selenatearsenate of at least 40 wt % at ambient temperature. The adsorption process is fast. Following sufficient contact, the water is separated from the kaolinite clay. In a preferred form, the kaolinite clay has high surface acidity.

公开(公告)号：US20210053845A1

公开(公告)日：2021-02-25

申请号：US16999687

申请日：2020-08-21

Applicant: FUEL TECH, INC.

Inventor： Mingming Fang ,  Heng Wang

IPC: C02F1/28 ,  B01J20/12

Abstract: The description relates to a composition and a method for reducing the concentration of selenium in water. Contaminated water is contacted with a kaolinite clay characterized by a removal efficiency for selenatearsenate of at least 40 wt % at ambient temperature. The adsorption process is fast. Following sufficient contact, the water is separated from the kaolinite clay. In a preferred form, the kaolinite clay has high surface acidity.