Operation Method For Water Treatment Device

Abstract: B3B4The present invention relates to an operation method for a water treatment device comprising a pretreatment unit (X) which changes first water to be treated (A) into treated water (A0) by pretreatment a membrane separation unit (Y) which separates the treated water (A0) into permeated water (A2) and concentrated water (A3) and a membrane separation unit (Z) which separates mixed water (B1) containing the concentrated water (A3) and/or treated water (A4) of the concentrated water (A3) and second water to be treated (B) and/or treated water (B0) of the water to be treated (B) into permeated water (B2) and concentrated water (B3) the operation method for the water treatment device being characterized by performing at least one method selected from predetermined eight methods when a water quality index (C) of the concentrated water (B3) or a water quality index (C) of treated water (B4) of the concentrated water (B3) exceeds a predetermined reference value.

Patent Information

Application #

Filing Date

16 December 2015

Publication Number

33/2016

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

patent@depenning.com

Parent Application

Applicants

TORAY INDUSTRIES INC.

1-1, Sonoyama 1-chome, Otsu-shi, Shiga 520-8558

Inventors

1. TANIGUCHI Masahide

c/o Shiga Plant Toray Industries Inc. 1 1 Sonoyama 1 chome Otsu shi Shiga 5208558

2. MAEDA, Tomohiro

c/o Shiga Plant, Toray Industries, Inc., 1-1, Sonoyama 1-chome, Otsu-shi, Shiga 520-8558

3. TAKABATAKE , Hiroo

c/o Shiga Plant, Toray Industries, Inc., 1-1, Sonoyama 1-chome, Otsu-shi, Shiga 520-8558

Specification

SOFT COPY ATTACHED IN PDF

Documents

Application Documents

#	Name	Date
1	Power of Attorney [16-12-2015(online)].pdf	2015-12-16
2	Form 5 [16-12-2015(online)].pdf	2015-12-16
3	Form 3 [16-12-2015(online)].pdf	2015-12-16
4	Form 1 [16-12-2015(online)].pdf	2015-12-16
5	Drawing [16-12-2015(online)].pdf	2015-12-16
6	Description(Complete) [16-12-2015(online)].pdf	2015-12-16
7	7725-CHENP-2015.pdf	2016-01-01
8	Other Patent Document [15-06-2016(online)].pdf	2016-06-15
9	Form 3 [15-06-2016(online)].pdf	2016-06-15
10	7725-CHENP-2015-Form 1-150616.pdf	2016-07-25
11	7725-CHENP-2015-Correspondence-F1-150616.pdf	2016-07-25
12	Form 18 [12-01-2017(online)].pdf	2017-01-12
13	Form 3 [01-02-2017(online)].pdf	2017-02-01
14	7725-CHENP-2015-FORM 3 [17-12-2018(online)].pdf	2018-12-17
15	7725-CHENP-2015-FER.pdf	2019-06-27
16	7725-CHENP-2015-certified copy of translation (MANDATORY) [20-09-2019(online)].pdf	2019-09-20
17	7725-CHENP-2015-OTHERS [03-12-2019(online)].pdf	2019-12-03
18	7725-CHENP-2015-Information under section 8(2) (MANDATORY) [03-12-2019(online)].pdf	2019-12-03
19	7725-CHENP-2015-FORM 3 [03-12-2019(online)].pdf	2019-12-03
20	7725-CHENP-2015-FER_SER_REPLY [03-12-2019(online)].pdf	2019-12-03
21	7725-CHENP-2015-DRAWING [03-12-2019(online)].pdf	2019-12-03
22	7725-CHENP-2015-CLAIMS [03-12-2019(online)].pdf	2019-12-03
23	7725-CHENP-2015-ABSTRACT [03-12-2019(online)].pdf	2019-12-03
24	7725-CHENP-2015-US(14)-HearingNotice-(HearingDate-07-01-2022).pdf	2021-12-15
25	7725-CHENP-2015-Correspondence to notify the Controller [04-01-2022(online)].pdf	2022-01-04

Search Strategy

1	search_04-06-2019.pdf