公开(公告)号：US20220387936A1

公开(公告)日：2022-12-08

申请号：US17761564

申请日：2020-08-28

Applicant: Toray Advanced Materials Korea Inc.

Inventor： Jong Min LEE ,  Hee Kyung LEE

IPC: B01D65/08 ,  B01D63/10 ,  B01D63/06 ,  C02F1/44

Abstract: The present invention includes: a first sealing portion which has a first entry/exit selectively opened or closed by a first opening/closing valve and a second entry/exit selectively opened or closed by a second opening/closing valve and is configured to seal one end of a housing; a second sealing portion which has a third entry/exit selectively opened or closed by a third opening/closing valve and a fourth entry/exit selectively opened or closed by a fourth opening/closing valve, and is configured to seal the other end of the housing; and a controller which is configured to control the supply of raw water through any one of the first entry/exit and the second entry/exit or control the supply of raw water through any one of the third entry/exit and the fourth entry/exit.