Patents Assigned to Organo Corporation
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Patent number: 12172917Abstract: A pure-water production device including: a first reverse osmosis membrane device to which water to be treated is supplied; a second reverse osmosis membrane device to which permeated water from the first reverse osmosis membrane device is supplied; an electrodeionization device to which permeated water from the second reverse osmosis membrane device is supplied; a brine tank to which concentrated water from the first reverse osmosis membrane device is supplied; and a third reverse osmosis membrane device connected to the brine tank, wherein the second reverse osmosis membrane device is a high-pressure reverse osmosis membrane device, the brine tank is supplied with at least one concentrated water selected from the group consisting of concentrated water from the second reverse osmosis membrane device and concentrated water from the electrodeionization device, wherein permeated water from the third reverse osmosis membrane device is supplied to water to be treated, is used.Type: GrantFiled: February 13, 2020Date of Patent: December 24, 2024Assignee: ORGANO CORPORATIONInventors: Yuki Nakamura, Kazushige Takahashi, Keisuke Sasaki
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Patent number: 12151234Abstract: An apparatus for pretreating an ion exchange resin includes at least a stock solution tank for storing a non-aqueous solvent, an ion exchange resin container accommodating an ion exchange resin, and a moisture removal apparatus for removing moisture in the non-aqueous solvent, and at least one solution feed pipe selected from: a circulating solution feed pipe for returning, to the stock solution tank, the non-aqueous solvent that has passed through the ion exchange resin container and the moisture removal apparatus in this order from the stock solution tank; and a circulating solution feed pipe for returning, to the stock solution tank, the non-aqueous solvent that has passed through the moisture removal apparatus and the ion exchange resin container in this order from the stock solution tank.Type: GrantFiled: September 27, 2019Date of Patent: November 26, 2024Assignee: ORGANO CORPORATIONInventors: Kenta Aiba, Akira Nakamura
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Publication number: 20240383788Abstract: 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.Type: ApplicationFiled: August 2, 2022Publication date: November 21, 2024Applicant: ORGANO CORPORATIONInventors: Yudai SUZUKI, Fumio SUDO, Nau MORITA
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RESIN PRODUCTION METHOD, ULTRAPURE WATER PRODUCTION METHOD, AND ULTRAPURE WATER PRODUCTION APPARATUS
Publication number: 20240382940Abstract: A new catalytic metal supporting resin production method that can streamline the purification process, and an ultrapure water production method that uses the catalytic metal supporting resin production method are provided. The method for producing a resin includes first filling a single vessel with first anion exchange resin that supports a catalytic metal and second anion exchange resin that does not support a catalytic metal and then purifying together first anion exchange resin and second anion exchange resin that fill the vessel. The ultrapure water production method includes reducing the amount of hydrogen peroxide or dissolved oxygen by causing water being treated that contains hydrogen peroxide or dissolved oxygen to come into contact with an ion exchange resin that contains at least the resin and that is produced by the resin production method.Type: ApplicationFiled: August 8, 2022Publication date: November 21, 2024Applicant: ORGANO CORPORATIONInventors: Tsukasa KONDO, Fumitaka ICHIHARA, Hiroshi SUGAWARA -
Publication number: 20240353295Abstract: 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.Type: ApplicationFiled: August 1, 2022Publication date: October 24, 2024Applicant: ORGANO CORPORATIONInventors: Satoshi NAKAI, Kyohei TSUTANO
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Publication number: 20240342657Abstract: A water treatment system includes a reverse osmosis membrane device, an electrodeionization device that is located downstream of the reverse osmosis membrane device, a first heat exchanger that is located upstream of the reverse osmosis membrane device and that adjusts the temperature of the water supplied to the reverse osmosis membrane device according to the temperature of raw water supplied to the water treatment system, and a second heat exchanger that is located between the reverse osmosis membrane device and the electrodeionization device and that cools the water supplied to the electrodeionization device. One of the first heat exchanger and the second heat exchanger is an internal heat exchanger that exchanges heat inside the water treatment system, and the other is an external heat exchanger that exchanges heat with the outside of the water treatment system.Type: ApplicationFiled: September 9, 2022Publication date: October 17, 2024Applicant: ORGANO CORPORATIONInventors: Keisuke SASAKI, Yuki NAKAMURA, Ryosuke TERASHI, Fumio SUDO
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Patent number: 12115525Abstract: A method for purifying an organic solvent has a first treatment of bringing an organic solvent to be treated into contact with an H-type cation exchanger, and a second treatment of bringing a treated liquid from the first treatment into contact with an anion exchanger and an H-type strongly acidic cation exchanger. According to the present application, the provided method and an apparatus for purifying an organic solvent remove metal impurities of both metal species of monovalent and polyvalent metals in the organic solvent.Type: GrantFiled: April 1, 2020Date of Patent: October 15, 2024Assignee: ORGANO CORPORATIONInventors: Noriko Takada, Haruo Yokota, Yui Shioya, Yasuhiro Yoshimura
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Publication number: 20240328843Abstract: Liquid purification unit includes purification device that purifies a flammable liquid, liquid storage tank that stores the liquid supplied to purification device, at least one non-energized sensor that detects the presence or absence of liquid flowing out from liquid storage tank, and housing that accommodates purification device, liquid storage tank, and the at least one non-energized sensor.Type: ApplicationFiled: March 12, 2024Publication date: October 3, 2024Applicant: ORGANO CORPORATIONInventors: Noriko TAKADA, Yukinari YAMASHITA
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Patent number: 12105042Abstract: Time until a conductivity meter is ready to measure a conductivity after an electric decationizing apparatus starts is shortened. Water to be treated that contains cations and anions is supplied to the electric decationizing apparatus while applying a first voltage to the electric decationizing apparatus, and decationized water is generated. Next, the decationized water that is generated by the electric decationizing apparatus is supplied to the conductivity meter in order to measure conductivity of the decationized water. Before the first voltage is applied to the electric decationizing apparatus and before the conductivity meter begins measuring the conductivity of the decationized water, a second voltage that is lower than the first voltage is applied to the electric decationizing apparatus in a state in which the electric decationizing apparatus is charged with water to be treated.Type: GrantFiled: August 2, 2018Date of Patent: October 1, 2024Assignee: ORGANO CORPORATIONInventors: Chika Kemmochi, Koji Yamanaka
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Publication number: 20240294411Abstract: The present disclosure is an aerobic granule forming method using a semibatch-type reaction tank (10) for forming aerobic granules, the aerobic granule forming method being characterized in that: the organic substance includes an easily decomposable organic substance and a slowly decomposable organic substance; and the time of the biological treatment process is adjusted so that the value obtained by multiplying the ratio of the MLSS concentration in the semibatch-type reaction tank (10) to the BOD loading volume of the easily decomposable organic substance in the semibatch-type reaction tank (10) by [time of the operating cycle/time of the biological treatment process] is in the range of 0.05-0.25 kg BOD/kg MLSS/day.Type: ApplicationFiled: June 22, 2022Publication date: September 5, 2024Applicant: ORGANO CORPORATIONInventors: Masaki MIYAKE, Yoshiaki HASEBE, Hizuru WAKAYAMA, Kazuki FURUSAWA
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Publication number: 20240278214Abstract: A method of catalytic hydrogenation and reduction in which a reactive substrate and a hydrogen source are brought into contact in the presence of a platinum-group metal-supported catalyst to run the reactive substrate through catalytic hydrogenation and reduction; the ion exchanger is made of a continuous skeleton phase and a continuous hole phase; the thickness of the continuous skeleton is in the range of 1-100 ?m; the average diameter of the continuous holes is in the range of 1-1000 ?m; the total pore volume is in the range of 0.5-50 mL/g; the ion exchange capacity per unit weight in a dry state is in the range of 1-9 mg eq/g; and the ion exchanger is a non-particulate, weakly basic, organic porous ion exchanger where an ion exchange group is distributed in the ion exchanger.Type: ApplicationFiled: January 18, 2022Publication date: August 22, 2024Applicant: ORGANO CORPORATIONInventors: Ayumu KATO, Shinji NAKAMURA, Hitoshi TAKADA, Hironao SAJIKI, Tsuyoshi YAMADA, Kwihwan PARK, Yutaro YAMADA
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Publication number: 20240279091Abstract: The purpose is to provide a pure water production method and apparatus, which make it possible to prevent the increase in an ion load during a pure water production process, improve the efficiency of a biological treatment and reduce the generation amount of pulverized coal in a method for treating oxidation-treated water in which urea is oxidized and decomposed with a hypohalous acid with biological activated carbon. Provided is a pure water production method including: for adding a hypohalous acid to urea-containing water of interest and performing an oxidation treatment of the urea in an oxidation treatment apparatus; and measuring the concentration of residual chlorine in the oxidation-treated water, then adding hydrogen peroxide to the oxidation-treated water depending on the measured concentration of the residual chlorine, and then performing a biological treatment of the hydrogen peroxide-added water with biological activated carbon in a biological treatment apparatus.Type: ApplicationFiled: January 21, 2022Publication date: August 22, 2024Applicant: ORGANO CORPORATIONInventors: Hironori YUI, Kenta SUGA, Issei YOSHIDA, Fumio SUDO
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Publication number: 20240262730Abstract: A pure water production apparatus that is economical and that can easily ensure good water quality of treated water is provided. Pure water production apparatus has: sulfur compound addition means for adding a sulfur compound containing a peroxide group to water to be treated that contains organic materials; ultraviolet ray radiation apparatus that irradiates with ultraviolet rays the water to be treated to which the sulfur compound was added; reverse osmosis membrane apparatus through which passes the water to be treated that was irradiated with the ultraviolet rays; and ion exchange resin-filled apparatus through which passes the water to be treated that was treated by reverse osmosis membrane apparatus.Type: ApplicationFiled: January 31, 2022Publication date: August 8, 2024Applicant: ORGANO CORPORATIONInventors: Yusuke TAKAHASHI, Kazushige TAKAHASHI, Yuki NAKAMURA
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Publication number: 20240255411Abstract: 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.Type: ApplicationFiled: March 18, 2022Publication date: August 1, 2024Applicant: ORGANO CORPORATIONInventors: Fumitaka ICHIHARA, Hiroshi SUGAWARA, Tsukasa KONDO, Fumio SUDO
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Publication number: 20240246834Abstract: A pure water production apparatus has a ultraviolet ray radiation apparatus that irradiates water to be treated with ultraviolet rays; a TOC acquisition unit and a dissolved oxygen concentration acquisition unit that are provided upstream of the ultraviolet ray radiation apparatus; and a control means that controls concentration of dissolved oxygen in the water to be treated that is supplied to the ultraviolet ray radiation apparatus such that a mass ratio of the concentration of dissolved oxygen in the water to be treated that is acquired by the dissolved oxygen concentration acquisition unit to TOC in the water to be treated that is acquired by the TOC acquisition unit is 1 or more and 7 or less.Type: ApplicationFiled: January 28, 2022Publication date: July 25, 2024Applicant: ORGANO CORPORATIONInventors: Yusuke TAKAHASHI, Kazushige TAKAHASHI
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Publication number: 20240238775Abstract: Provided is a method for purifying a nonaqueous liquid in a simple and cost-efficient manner, without requiring a large amount of the nonaqueous liquid, by using an ion exchange resin having a reduced water content. The method for purifying a nonaqueous liquid using an ion exchange resin includes bringing the ion exchange resin into contact with a nonaqueous liquid for pretreatment having a relative permittivity at 25° C. of 20 or higher and bringing the ion exchange resin after the pretreatment into contact with a nonaqueous liquid to be purified, wherein the relative permittivity at 25° C. of the nonaqueous liquid for pretreatment is greater than the relative permittivity at 25° C. of the nonaqueous liquid to be purified, and the concentration of metals to be reduced in the nonaqueous liquid for pretreatment is 5 ?g/L or less.Type: ApplicationFiled: February 17, 2022Publication date: July 18, 2024Applicant: ORGANO CORPORATIONInventors: Noriko TAKADA, Kaoru NUKUI
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Publication number: 20240239695Abstract: A water treatment apparatus for removing dissolved oxygen contained in water to be treated includes: an anode; a cathode; and a dissolved oxygen removal chamber which is located between the anode and the cathode and filled with an ion exchanger. At least a portion of the ion exchanger filled in the dissolved oxygen removal chamber is an ion exchanger on which a metal catalyst is supported. The ion exchanger on which the metal catalyst is supported is filled in a single bed configuration in at least a portion of the dissolved oxygen removal chamber. A DC current is applied between the anode and the cathode.Type: ApplicationFiled: February 3, 2022Publication date: July 18, 2024Applicant: ORGANO CORPORATIONInventors: Keisuke SASAKI, Mayu ABE, Fumio SUDO, Hiroshi YAMADA, Tsukasa KONDO
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Patent number: 12037276Abstract: 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.Type: GrantFiled: February 13, 2020Date of Patent: July 16, 2024Assignee: ORGANO CORPORATIONInventors: Kazushige Takahashi, Fumio Sudo, Yuki Nakamura, Kenji Shibasaki, Keisuke Sasaki
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Publication number: 20240225920Abstract: A composite absorber for absorbing liquid, the composite absorber having: a polymer absorbent having a hydrophilic continuous skeleton and continuous pores; and a highly absorbent polymer, wherein the polymer absorbent contains at least a —COOH group and —COONa group as an ion exchange group, and the total ion exchange capacity of the —COOH group and —COONa group per mass in a dry state is at least 4.0 mg equivalent/g.Type: ApplicationFiled: December 15, 2021Publication date: July 11, 2024Applicant: ORGANO CORPORATIONInventors: Hitoshi TAKADA, Ryouta IWAURA
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Publication number: 20240228342Abstract: A urea treatment apparatus for treating urea in a water to be treated includes a first reaction tank in which urea in the water to be treated is treated; a first addition means connected to the first reaction tank or to a first piping connected to the first reaction tank and supplying the water to be treated to the first reaction tank, for adding a bromide salt and a chlorine-based oxidation agent to the water to be treated; a second reaction tank in which a residual urea in a first treated water treated by the first reaction tank is treated, a second addition means connected to the second reaction tank or to a second piping connected to the second reaction tank and supplying the first treated water to the second reaction tank, for adding a chlorine-based oxidation agent or a mineral acid to the first treated water.Type: ApplicationFiled: January 18, 2022Publication date: July 11, 2024Applicant: ORGANO CORPORATIONInventors: Yui SHIOYA, Kazushige TAKAHASHI, Fumio SUDO