公开(公告)号：US20230321630A1

公开(公告)日：2023-10-12

申请号：US18061399

申请日：2022-12-02

Applicant: UNITED STATES GYPSUM COMPANY

Inventor： Qinghua LI ,  Xiaoyan CHEN

IPC: B01J20/34 ,  C01F7/021 ,  B01J20/08 ,  B01J20/28 ,  C04B11/00 ,  C04B11/02 ,  C25B1/01 ,  C25B1/50 ,  B01D61/46 ,  B28B19/00

CPC classification number: B01J20/3441 ,  C01F7/021 ,  B01J20/3433 ,  B01J20/08 ,  B01J20/28016 ,  B01J20/28004 ,  C04B11/005 ,  C04B11/02 ,  C25B1/01 ,  C25B1/50 ,  B01D61/461 ,  B28B19/0092 ,  C01P2004/60 ,  C01P2006/80 ,  C04B2111/0062

Abstract: A method of recovering desalinated activated alumina (AA) beads from a composition including salt laden (high salt absorbed) activated alumna (AA) beads and free anions and free cations, comprising the step of electrodialysis of the composition to reduce salt content of the activated alumina (AA) beads to produce a stream comprising the desalinated activated alumina (AA) beads.