公开(公告)号：US20170314205A1

公开(公告)日：2017-11-02

申请号：US15521343

申请日：2015-10-26

Applicant: Ecolab USA Inc.

Inventor： Wen Li Tu ,  Yu-Mei Lu

IPC: D21H21/36 ,  A01N59/00 ,  D21H17/09 ,  D21H17/66

CPC classification number: D21H21/36 ,  A01N59/00 ,  C02F1/50 ,  C02F1/76 ,  C02F1/766 ,  C02F2103/28 ,  C02F2303/04 ,  D21H17/09 ,  D21H17/11 ,  D21H17/66 ,  D21H21/02 ,  D21H21/04 ,  D21H23/08

Abstract: The present invention relates to microorganism control field in process for treatment of pulp and/or water in paper-making process. More specifically, the present invention provides a microorganism control system, which comprises a first component and a second component which are separately provided, the first component comprises a stabilized halogen-containing bactericidal agent (e.g., a stabilized hypochlorite), and the second component comprises an aminosulfonic acid reagent (e.g., aminosulfonic acid). The present invention further provides a method for controlling microorganism in process for treatment of pulp and/or water in papermaking process, which comprises using the microorganism control system of the present invention.

公开(公告)号：US10086335B2

公开(公告)日：2018-10-02

申请号：US15032725

申请日：2014-10-21

Applicant: Ecolab USA Inc.

Inventor： Yu Tie Liu ,  Ling Feng Han ,  Wen Jin Ye ,  Harshada Lohokare ,  Wen Li Tu

IPC: B01D65/08 ,  B01D61/04 ,  B01D61/02 ,  B01D61/10 ,  B01D65/02 ,  C02F1/68 ,  A01N59/00 ,  C02F1/44 ,  C02F1/76

Abstract: This disclosure relates to a combination for inhibiting or removing biofouling and a method for inhibiting biofouling growth or removing biofouling. This disclosure also relates to a combination including halogen-type oxidizers, sulfur-containing compounds, and ammonium salts and/or urea. Also disclosed are methods for inhibiting the biofouling growth in a reverse osmosis membrane separation device or nanofiltration membrane separation device or removing the biofouling in a reverse osmosis membrane separation device or nanofiltration membrane separation device.