公开(公告)号：US20210395106A1

公开(公告)日：2021-12-23

申请号：US17285671

申请日：2019-10-17

Applicant: ORGANO CORPORATION

Inventor： Yukinari YAMASHITA ,  Daisaku YANO ,  Kyohei TSUTANO

IPC: C02F1/00 ,  G01N33/18 ,  G01N1/20 ,  C02F1/42

Abstract: A water quality management method for managing the concentration of impurity ions contained in the water to be analyzed includes connecting the ion adsorption device in which the ion adsorbent and the accumulated flow rate meter are provided to the blanch pipe, passing the water being analyzed from the blanch pipe to the ion adsorbent for a predetermined period of time to the ion adsorption device and adsorbing ions contained in the water being analyzed an ion adsorbent sample. In the ion adsorption device, an accumulated flow rate meter is provided on the downstream side of the flow direction of the water being analyzed of the ion adsorbent.

公开(公告)号：US20230365436A1

公开(公告)日：2023-11-16

申请号：US18025978

申请日：2021-08-23

Applicant: ORGANO CORPORATION

Inventor： Kyohei TSUTANO ,  Satoshi NAKAI ,  Hiroshi SUGAWARA

IPC: C02F1/42 ,  C02F1/00

CPC classification number: C02F1/42 ,  C02F1/004 ,  C02F2209/003 ,  C02F2201/005 ,  C02F2209/40 ,  C02F2209/006 ,  C02F2103/04

Abstract: Distribution pipe for conducting ultrapure water from ultrapure water production facility to cleaning apparatus treatment unit provided on distribution pipe, distribution pipe for conducting ultrapure water to cleaning apparatus branches from distribution pipe between ultrapure water production facility and treatment unit, water amount controller provided in a first branch portion where distribution pipe branches from distribution pipe, water amount controller for controlling the ultrapure water supplied from distribution pipe to cleaning apparatus comparator for comparing a first amount of impurities contained in the ultrapure water treated by treatment unit with a second amount of impurities contained in the non-treated ultrapure water by treatment unit and flow path controller for controlling water amount controllers based on the results of the comparison.

公开(公告)号：US20240353295A1

公开(公告)日：2024-10-24

申请号：US18682234

申请日：2022-08-01

Applicant: ORGANO CORPORATION

Inventor： Satoshi NAKAI ,  Kyohei TSUTANO

IPC: G01N1/20 ,  G01N30/96 ,  G01N33/18

CPC classification number: G01N1/20 ,  G01N30/96 ,  G01N33/18

Abstract: An acquisition unit acquires concentration period information indicating a period of time during which impurities contained in cleaning liquid for cleaning objects are concentrated in a concentration means, a database stores as associated information object identification information uniquely assigned to the objects and cleaning period information indicating periods of time during which the objects were cleaned, and an identification unit, based on the concentration period information acquired by the acquisition unit and the associated information stored in the database, identifies the objects that were cleaned using the cleaning liquid corresponding to the cleaning liquid that was supplied to the concentration means during the concentration period indicated by the concentration period information.

公开(公告)号：US20240158267A1

公开(公告)日：2024-05-16

申请号：US18284353

申请日：2022-02-04

Applicant: ORGANO CORPORATION

Inventor： Kyohei TSUTANO ,  Fumitaka ICHIHARA ,  Fumio SUDO

IPC: C02F1/42 ,  C02F1/44 ,  C02F9/00 ,  C02F103/04

CPC classification number: C02F1/42 ,  C02F1/444 ,  C02F9/00 ,  C02F2001/422 ,  C02F2001/425 ,  C02F2103/04

Abstract: An ultrapure water production system capable of producing ultrapure water from which fine particles have been highly removed and supplying the ultrapure water to a point of use is equipped with at least an ultrafiltration membrane device, and includes: a first organic porous ion exchanger provided at a position downstream of the ultrafiltration membrane device in an ultrapure water supply line for supplying the ultrapure water to the point of use; and a microfiltration membrane device provided, in the ultrapure water supply line, at a position downstream of the first organic porous ion exchanger.

公开(公告)号：US20230406729A1

公开(公告)日：2023-12-21

申请号：US18036525

申请日：2021-10-13

Applicant: ORGANO CORPORATION

Inventor： Kyohei TSUTANO

IPC: C02F1/42 ,  G01N33/18 ,  G01N30/96

CPC classification number: C02F1/42 ,  G01N33/1853 ,  G01N30/96

Abstract: A method for more accurately analyzing the content of a metal impurity in a liquid (ultrapure water) containing a low concentration of the metal impurity includes: passing the liquid through an ion exchanger; eluting and recovering the metal impurity captured in the ion exchanger with an eluent; and analyzing the eluent containing the eluted metal impurity and measuring the content of the metal impurity in the eluent, wherein the ion exchanger is used by connecting multiple ion exchangers of the same ion type in series, the volume of the porous ion exchangers per unit is 0.5 to 5.0 ml, and the differential pressure coefficient is 0.01 MPa/LV/m or less.

公开(公告)号：US20240101448A1

公开(公告)日：2024-03-28

申请号：US18275149

申请日：2022-01-17

Applicant: ORGANO CORPORATION

Inventor： Kyohei TSUTANO ,  Akihiko TSUDA ,  Hiroshi SUGAWARA

IPC: C02F1/42

CPC classification number: C02F1/42

Abstract: An ion exchanger unit that adsorbs impurities in a liquid to be tested, and a controller that switches between causing the flow of the liquid to be tested into the ion exchanger unit and the flow of eluent to elute the impurities adsorbed in the ion exchanger unit into the ion exchanger unit.

公开(公告)号：US20210247373A1

公开(公告)日：2021-08-12

申请号：US17053254

申请日：2019-05-15

Applicant: ORGANO CORPORATION

Inventor： Kyohei TSUTANO

IPC: G01N33/18 ,  B01J39/05 ,  B01J41/04 ,  B01J39/20 ,  B01J41/14 ,  G01N30/96

Abstract: Provided is a method for analyzing the metal impurity content that includes passing water to be analyzed through a monolithic organic porous anion exchanger, thereby allowing the monolithic organic porous anion exchanger to capture metal impurities in the water to be analyzed; passing an eluent through the monolithic organic porous anion exchanger which has been allowed to capture metal impurities in the water to be analyzed, to collect an effluent, thereby obtaining a collected eluent containing metal impurities in the water to be analyzed eluted from the monolithic organic porous anion exchanger; and measuring the content of each metal impurity in the collected eluent.

公开(公告)号：US20210246050A1

公开(公告)日：2021-08-12

申请号：US17053259

申请日：2019-05-15

Applicant: ORGANO CORPORATION

Inventor： Kyohei TSUTANO ,  Hitoshi TAKADA

IPC: C02F1/42 ,  B01J41/04 ,  B01J41/14 ,  B01J47/022 ,  B01J47/028

Abstract: Provided is a method for producing ultrapure water to supply, to a use point, ultrapure water obtained by treating raw material water for ultrapure water production in an ultrapure water production apparatus, wherein the raw material water for ultrapure water production contains at least one or more elements selected from B, As, Al, Ti, Cr, Fe, Cu, Zn, Sn, V, Ga, and Pb, and wherein an ion exchanger-filled module filled with at least a monolithic organic porous anion exchanger is installed in a treatment path of the ultrapure water production apparatus or in a transfer path from the ultrapure water production apparatus to the use point, and water to be treated is passed through the ion exchanger-filled module for treatment.