公开(公告)号：US20230264981A1

公开(公告)日：2023-08-24

申请号：US18083124

申请日：2022-12-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Younhaeng LEE ,  Cheolmin Shin ,  Changyeol Ham ,  Jieun Jang

IPC: C02F1/28 ,  C02F1/42 ,  C02F1/461 ,  C02F1/72 ,  C02F1/32 ,  C02F1/58

CPC classification number: C02F1/285 ,  C02F1/42 ,  C02F1/46104 ,  C02F1/72 ,  C02F1/32 ,  C02F1/58 ,  C02F2101/108

Abstract: A management method of a system for producing an ultrapure water, the system including a boron removal tower including an accommodation space through which water to be processed passes and a boron adsorption resin filling the accommodation space of the boron removal tower, and the boron removal tower including a plurality of sample ports through which a plurality of sample waters to be processed passing through portions having different heights of the boron adsorption resin, are respectively discharged, and determining a replacement cycle of the boron adsorption resin by increasing a passing flow rate of the boron removal tower.

公开(公告)号：US20230398499A1

公开(公告)日：2023-12-14

申请号：US18139828

申请日：2023-04-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wuyoung Choi ,  Cheolmin Shin ,  Seungyong Yang ,  Younhaeng Lee ,  Changyeol Ham

IPC: B01D65/02 ,  C02F1/44 ,  B01D61/14

CPC classification number: B01D65/02 ,  C02F2103/04 ,  B01D61/145 ,  C02F1/444

Abstract: A method of cleaning an ultrafiltration membrane module includes installing an ultrafiltration membrane in an ultrafiltration membrane module, supplying deionized water to the ultrafiltration membrane module, and flushing the ultrafiltration membrane module with the deionized water by increasing decreasing a flow rate of the deionized water supplied to the ultrafiltration membrane module.

公开(公告)号：US20230264997A1

公开(公告)日：2023-08-24

申请号：US18111160

申请日：2023-02-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younhaeng Lee ,  Cheolmin Shin ,  Seungyong Yang ,  Wuyoung Choi ,  Changyeol Ham

IPC: C02F9/00 ,  B01D61/02 ,  B01D61/04 ,  B01D61/06 ,  B01D19/00

CPC classification number: C02F9/00 ,  B01D19/0031 ,  B01D61/04 ,  B01D61/06 ,  B01D61/026 ,  C02F1/42

Abstract: An ultrapure water manufacturing facility includes: a first tank; a plurality of reverse osmosis membranes sequentially arranged downstream of the first tank; an electrodeionization device arranged downstream of the plurality of reverse osmosis membranes; an ion exchange resin tower arranged downstream of the electrodeionization device and filled with a boron selective resin; and a chemical supplier arranged between the plurality of reverse osmosis membranes and configured to supply a pH regulator to treatment-target water.