公开(公告)号：US20230192515A1

公开(公告)日：2023-06-22

申请号：US18011297

申请日：2021-05-24

Applicant: ORGANO CORPORATION

Inventor： Yusuke TAKAHASHI ,  Naonori MOMOTANI ,  Keisuke SASAKI ,  Kazushige TAKAHASHI ,  Fumio SUDO

IPC: C02F1/76 ,  C02F1/32 ,  C02F1/72

CPC classification number: C02F1/766 ,  C02F1/32 ,  C02F1/722 ,  C02F2001/422

Abstract: A water treatment apparatus that can remove persistent organic materials more efficiently is provided. Water treatment apparatus has hypohalogenous acid addition means that adds hypohalogenous acid to water to be treated that contains organic materials; and ultraviolet ray radiating apparatus that is positioned downstream of hypohalogenous acid addition means and that radiates ultraviolet rays to the water to be treated to which the hypohalogenous acid has been added.

公开(公告)号：US20210078873A1

公开(公告)日：2021-03-18

申请号：US16979421

申请日：2019-02-14

Applicant: ORGANO CORPORATION

Inventor： Nozomi TAKATORI ,  Hiroshi SUGAWARA ,  Kazushige TAKAHASHI ,  Fumio SUDO

IPC: C02F1/00 ,  C02F1/32 ,  C02F1/44 ,  B01D61/02 ,  B01D61/12

Abstract: A water treatment management apparatus used for monitoring and evaluating water supplied to a water treatment system such as an ultrapure water production system and performing appropriate management of operation of the water treatment system includes: a pure water production unit for evaluation to which water to be supplied to the water treatment system is supplied as target water, the pure water production unit for evaluation including a TOC removal apparatus for performing a unit operation of removing total organic carbon (TOC) components; and measuring means for measuring TOC concentration at a plurality of measurement points in the pure water production unit for evaluation, the plurality of the measurement points including an inlet and an outlet of the pure water production unit for evaluation.

公开(公告)号：US20240383788A1

公开(公告)日：2024-11-21

申请号：US18688828

申请日：2022-08-02

Applicant: ORGANO CORPORATION

Inventor： Yudai SUZUKI ,  Fumio SUDO ,  Nau MORITA

IPC: C02F9/00 ,  B01D61/02 ,  B01D61/04 ,  B01D61/08 ,  C02F1/44 ,  C02F1/66 ,  C02F5/08 ,  C02F101/14

Abstract: As a countermeasure for calcium fluoride scale in reverse osmosis membranes, a water treatment method and apparatus are provided that can add a scale inhibitor at an appropriate addition amount. A water treatment apparatus for treating water to be treated that contains fluorine and calcium by passing the water through at least a reverse osmosis membrane includes pH adjustment means for adjusting the pH of the water to be treated in a supply line, means for measuring the concentration of fluoride ions in the water to be treated and then determining the amount of scale inhibitor to be added by an addition means based on the measured fluoride ion concentration. After the scale inhibitor is added from an addition line, permeate from a permeate line and concentrate from a concentrate line are discharged from the reverse osmosis membrane.

公开(公告)号：US20240255411A1

公开(公告)日：2024-08-01

申请号：US18565684

申请日：2022-03-18

Applicant: ORGANO CORPORATION

Inventor： Fumitaka ICHIHARA ,  Hiroshi SUGAWARA ,  Tsukasa KONDO ,  Fumio SUDO

IPC: G01N15/1434 ,  C02F1/00 ,  C02F1/20 ,  C02F1/32 ,  C02F1/42 ,  C02F1/44 ,  C02F9/00 ,  C02F101/10 ,  C02F101/30 ,  C02F103/04 ,  G01N15/14 ,  G01N33/18

CPC classification number: G01N15/1434 ,  C02F1/008 ,  C02F9/00 ,  G01N33/18 ,  C02F1/20 ,  C02F1/32 ,  C02F1/42 ,  C02F2001/427 ,  C02F1/444 ,  C02F2101/10 ,  C02F2101/30 ,  C02F2103/04 ,  C02F2301/08 ,  G01N2015/1486

Abstract: A particle measuring apparatus is provided that has improved measurement accuracy regardless of particle diameters and that ensures prompt measurement. A particle measuring apparatus has: first and second particle counters that obtain a number of particles that are contained in water that flows in a predetermined section of an ultrapure water production apparatus; and particle number calculation means that calculates the number of the particles that are contained in the water that flows in the predetermined section for each particle diameter range based on measurement results of the first and second particle counters. The first particle counter and the second particle counter have different counting efficiencies.

公开(公告)号：US20240150200A1

公开(公告)日：2024-05-09

申请号：US18280583

申请日：2022-01-07

Applicant: ORGANO CORPORATION

Inventor： Keisuke SASAKI ,  Kazushige TAKAHASHI ,  Yusuke TAKAHASHI ,  Fumio SUDO

IPC: C02F1/32 ,  C02F1/20 ,  C02F1/461 ,  C02F1/68 ,  C02F101/30

CPC classification number: C02F1/32 ,  C02F1/20 ,  C02F1/461 ,  C02F1/68 ,  C02F2101/30 ,  C02F2209/22 ,  C02F2305/02

Abstract: A water treatment apparatus for decomposing and removing organic substances in water to be treated includes: a hydrogen peroxide source for storing hydrogen peroxide which is added to the water to be treated; an ultraviolet oxidation device for irradiating ultraviolet light to the water to be treated to which hydrogen peroxide has been added; and a hydrogen peroxide removal device for removing hydrogen peroxide contained in the outlet water from the ultraviolet oxidation device. The hydrogen peroxide removal device includes: an anode and a cathode; and a hydrogen peroxide removal chamber disposed between the anode and the cathode and provided with a metal catalyst with ability of decomposing hydrogen peroxide. A DC current is applied between the anode and cathode.

公开(公告)号：US20230331593A1

公开(公告)日：2023-10-19

申请号：US18029955

申请日：2021-09-02

Applicant: ORGANO CORPORATION

Inventor： Yuki NAKAMURA ,  Keisuke SASAKI ,  Fumio SUDO

IPC: C02F1/44 ,  C02F1/469

CPC classification number: C02F1/441 ,  C02F1/469 ,  C02F2101/108

Abstract: A pure water production system includes a reverse osmosis membrane device; an electric deionized water production device that is disposed downstream of the reverse osmosis membrane device; and a control device that controls a processing condition of the reverse osmosis membrane device. The control device controls a processing condition of the reverse osmosis membrane device such that a removal rate of a specific substance of the electric deionized water production device is equal to or lower than a threshold value, and concentration of the specific substance in the treated water of the electric deionized water production device is equal to or lower than a prescribed value and specific resistance of the treated water of the electric deionized water production device is equal to or higher than a prescribed value.

公开(公告)号：US20230264985A1

公开(公告)日：2023-08-24

申请号：US18011322

申请日：2021-05-24

Applicant: ORGANO CORPORATION

Inventor： Yusuke TAKAHASHI ,  Keisuke SASAKI ,  Kazushige TAKAHASHI ,  Fumio SUDO

IPC: C02F1/42 ,  C02F1/58

CPC classification number: C02F1/42 ,  C02F1/58 ,  C02F2001/422 ,  C02F2303/16 ,  C02F2103/04

Abstract: A water treatment apparatus that can enhance the efficiency of removing hydrogen peroxide is provided. A water treatment apparatus (pure water production apparatus) has anion removing means that removes anions from water to be treated that contains hydrogen peroxide and the anions; and platinum group catalyst carriers (catalyst tower) that are positioned downstream of anion removing means.

公开(公告)号：US20230249992A1

公开(公告)日：2023-08-10

申请号：US18011305

申请日：2021-05-24

Applicant: ORGANO CORPORATION

Inventor： Keisuke SASAKI ,  Fumio SUDO ,  Kazushige TAKAHASHI ,  Tsukasa KONDO ,  Kenji SHIBASAKI ,  Mayu ABE

IPC: C02F1/42 ,  C02F1/469 ,  C02F1/32 ,  C02F1/58 ,  B01J31/30

CPC classification number: C02F1/42 ,  C02F1/4695 ,  C02F1/32 ,  C02F1/58 ,  B01J31/30 ,  C02F2103/04

Abstract: A hydrogen peroxide removing apparatus for removing hydrogen peroxide contained in water to be processed includes: anode and cathode; and hydrogen peroxide removal chamber provided between anode and cathode and at least partially filled with a metal catalyst with hydrogen peroxide decomposition ability, wherein a DC voltage is applied between anode and cathode.

公开(公告)号：US20230183115A1

公开(公告)日：2023-06-15

申请号：US17925052

申请日：2021-03-30

Applicant: ORGANO CORPORATION

Inventor： Kazushige TAKAHASHI ,  Fumio SUDO ,  Yuki NAKAMURA ,  Kenji SHIBASAKI ,  Keisuke SASAKI

IPC: C02F9/00 ,  B01D61/58

CPC classification number: C02F9/00 ,  B01D61/58 ,  C02F1/4695

Abstract: Provided are an apparatus for removing boron and a method for removing boron for reducing the boron concentration in water to be treated, and an apparatus and a method for producing pure water wherein the boron concentration is reduced. An apparatus for removing boron includes: a first electrodeionization device to which water to be treated is supplied; an ultraviolet oxidation device to which the water treated by the first electrodeionization device is supplied; an oxide removal device to which the water treated by the ultraviolet oxidation device is supplied; and a second electrodeionization device to which the water treated by the oxide removal device is supplied. A method for removing boron using the apparatus is provided. The oxide removal device is equipped with a platinum group metal catalyst, and the water that has been treated by the oxide removal device has a hydrogen peroxide concentration of less than 1 ppb.

公开(公告)号：US20220162104A1

公开(公告)日：2022-05-26

申请号：US17438011

申请日：2020-02-13

Applicant: ORGANO CORPORATION

Inventor： Kazushige TAKAHASHI ,  Fumio SUDO ,  Yuki NAKAMURA ,  Kenji SHIBASAKI ,  Keisuke SASAKI

IPC: C02F9/00 ,  B01D61/44 ,  B01D61/02 ,  B01D61/58

Abstract: A method for efficiently treating boron from water to be treated, an apparatus for producing pure water, and a method for producing pure water. An apparatus for removing boron includes a low-pressure reverse osmosis membrane apparatus to which is supplied water to be treated, a pH adjustment apparatus to adjust a pH of permeated water from the low-pressure reverse osmosis membrane apparatus to 5.0 to 9.0, a high-pressure reverse osmosis membrane apparatus to which is supplied the water adjusted by the pH adjustment apparatus, and an electrodeionization to which is supplied permeated water from the high-pressure reverse osmosis membrane apparatus.