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公开(公告)号：ZA201508709B
公开(公告)日：2017-09-27
申请号：ZA201508709
申请日：2015-11-26
Applicant: TORAY INDUSTRIES
Inventor： TAKABATAKE HIROO , MAEDA TOMOHIRO , TANIGUCHI MASAHIDE
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公开(公告)号：SG11201705627SA
公开(公告)日：2017-08-30
申请号：SG11201705627S
申请日：2016-01-08
Applicant: TORAY INDUSTRIES
Inventor： TANIGUCHI MASAHIDE , TAKABATAKE HIROO , SUGITA KAZUYA
Abstract: Disclosed is a method of enhancing a rejection performance of a semipermeable membrane by pressurizing and feeding a liquid containing a rejection performance enhancer to a primary side of the semipermeable membrane to come into contact with a membrane surface thereof, the method including: a step of changing, at least once during the feeding, a pressure or an osmotic pressure of the liquid containing the rejection performance enhancer at a fluctuation rate of 0.05 MPa/s or more, or a feed flow rate to the semipermeable membrane, thereby changing at least either a pressure acting on the membrane surface or a permeation flow rate from that at the time of normal treatment, followed by maintaining.
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公开(公告)号：AU2010293661B2
公开(公告)日：2015-08-27
申请号：AU2010293661
申请日：2010-05-20
Applicant: TORAY INDUSTRIES
Inventor： TANIGUCHI MASAHIDE , TAKABATAKE HIROO , OGIWARA WAKAKO
Abstract: Provided are a fresh water production method and a fresh water production device, wherein in the fresh water production device which uses a semipermeable membrane and utilizes multiple types of supply waters in a mixed state, energy of concentrated water discharged from a semipermeable membrane unit is effectively used, and a pressure exchange-type energy recovery unit capable of efficiently recovering energy at low cost even in the event of supply water fluctuations is effectively used. Specifically provided is a fresh water production method for producing fresh water by causing multiple types of supply waters having different water qualities to pass through a semipermeable membrane, wherein the pressure of some (referred to as a first supply water) of the multiple types of supply waters supplied to a semipermeable membrane unit provided with the semipermeable membrane is increased by using a pressure exchange-type energy recovery unit for recovering pressure energy of concentrated water discharged from the semipermeable membrane unit, the pressure of the remainder (referred to as a second supply water) of the multiple types of supply waters is increased by a high-pressure pump, and the first supply water and the second supply water the pressures of which are increased are mixed and supplied to the semipermeable membrane unit.
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公开(公告)号：AU2010304545B2
公开(公告)日：2013-05-16
申请号：AU2010304545
申请日：2010-09-01
Applicant: CHIYODA CORP , TORAY INDUSTRIES
Inventor： SHINOHARA MASAYO , KAWAMURA KAZUSHIGE , SATOH HIROMI , IMAHAMA TOSHINOBU , KITANAKA ATSUSHI , TANIGUCHI MASAHIDE
Abstract: A method for treating a plant wastewater which contains a nitrogen component and a phosphorus component in an amount insufficient for biotreatments or does not contain the components is provided in which the wastewater is subjected to anaerobic and aerobic biotreatments at a reduced cost. The method is characterized by comprising: a pretreatment step in which a plant wastewater (11) discharged from a chemical plant, petroleum plant, or petrochemical plant and containing organic compounds is introduced into an anoxic tank (1), and compounds (12) comprising a nitrogen component and a phosphorus component are added to conduct an anaerobic biotreatment; a primary treatment step in which the treated wastewater is introduced into an anaerobic biotreatment tank (2) to conduct an anaerobic biotreatment; a secondary treatment step in which the wastewater is introduced into an aerobic biotreatment tank (3) to conduct an aerobic biotreatment, and the treated water is passed through a solid-liquid separation means and discharged as secondary treated water; and a tertiary treatment step in which the secondary treated water is introduced into a reverse osmosis membrane separator (4) and separated into RO filtrate water (16) and RO concentrate water (17), at least some of the RO concentrate water (17) being returned to the anoxic tank (1).
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公开(公告)号：MX2013001765A
公开(公告)日：2013-03-22
申请号：MX2013001765
申请日：2011-08-10
Applicant: TORAY INDUSTRIES
Inventor： TANIGUCHI MASAHIDE , MAEDA TOMOHIRO
Abstract: La presente invención se refiere a un aparato productor de agua fresca para producir agua fresca a partir de solutos que contienen el agua de entrada. El aparato producto de agua fresca comprende una primera unidad de membrana semipermeable y una segunda unidad de membrana semipermeable. Una primera línea de suministro del agua de entrada para suministrar el agua de entrada está conectada a la primera unidad de membrana semipermeable. Una segunda línea de suministro del agua de entrada para suministrar el agua de entrada está conectada a la segunda unidad de membrana semipermeable. La primera unidad de membrana semipermeable y la segunda unidad de membrana semipermeable están conectadas por una línea de agua concentrada para suministrar el agua concentrada de la primera unidad de membrana semipermeable a la segunda unidad de membrana semipermeable.
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Patent Agency Ranking
公开(公告)号：AU2010304545A1
公开(公告)日：2012-05-31
申请号：AU2010304545
申请日：2010-09-01
Applicant: CHIYODA CORP , TORAY INDUSTRIES
Inventor： SHINOHARA MASAYO , KAWAMURA KAZUSHIGE , SATOH HIROMI , IMAHAMA TOSHINOBU , KITANAKA ATSUSHI , TANIGUCHI MASAHIDE
Abstract: A method for treating a plant wastewater which contains a nitrogen component and a phosphorus component in an amount insufficient for biotreatments or does not contain the components is provided in which the wastewater is subjected to anaerobic and aerobic biotreatments at a reduced cost. The method is characterized by comprising: a pretreatment step in which a plant wastewater (11) discharged from a chemical plant, petroleum plant, or petrochemical plant and containing organic compounds is introduced into an anoxic tank (1), and compounds (12) comprising a nitrogen component and a phosphorus component are added to conduct an anaerobic biotreatment; a primary treatment step in which the treated wastewater is introduced into an anaerobic biotreatment tank (2) to conduct an anaerobic biotreatment; a secondary treatment step in which the wastewater is introduced into an aerobic biotreatment tank (3) to conduct an aerobic biotreatment, and the treated water is passed through a solid-liquid separation means and discharged as secondary treated water; and a tertiary treatment step in which the secondary treated water is introduced into a reverse osmosis membrane separator (4) and separated into RO filtrate water (16) and RO concentrate water (17), at least some of the RO concentrate water (17) being returned to the anoxic tank (1).
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公开(公告)号：AU2010285913A1
公开(公告)日：2012-02-16
申请号：AU2010285913
申请日：2010-05-20
Applicant: TORAY INDUSTRIES
Inventor： OGIWARA WAKAKO , TAKABATAKE HIROO , TANIGUCHI MASAHIDE
Abstract: Provided is a fresh water production method applying a combined water-treatment technique employing a plurality of semi-permeable membrane units, the method enabling prevention of problems caused by growth of a biofilm and allowing effective use of an injected chemical agent and an injected neutralizing agent. The fresh-water production method produces fresh water by treatment of source water (A1) by a semi-permeable membrane treatment device (A2), the concentrated water (A) resulting from the treatment by the semi-permeable membrane treatment device (A2) is mixed with other source water (B4), and the water mixture is treated by a second semi-permeable membrane treatment device (B6). A first chemical agent is injected continuously or intermittently into the source water (A1) and a second chemical agent is injected continuously or intermittently into the source water (B4).
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公开(公告)号：AU2010274473A1
公开(公告)日：2012-02-02
申请号：AU2010274473
申请日：2010-05-20
Applicant: TORAY INDUSTRIES
Inventor： TAKABATAKE HIROO , SUZUKI HIRONOBU , TANIGUCHI MASAHIDE
Abstract: Disclosed is a water producing system which produces fresh water by treating water to be treated (A) in a first semipermeable membrane treatment facility (2) and produces fresh water by mixing concentrated water generated in the treatment in the first semipermeable membrane treatment facility (2) into water to be treated (B) and treats mixed water thereof in a second semipermeable membrane treatment facility (3), the water producing system being characterized in that a bypass line for mixing the water to be treated (A) into the water to be treated (B) or the concentrated water without going through the first semipermeable membrane treatment facility (2) is provided so that the second semipermeable membrane treatment facility (3) can run even when the treatment cannot be performed, for example, due to the occurrence of a problem in the first semipermeable membrane treatment facility (2).
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公开(公告)号：SG11201509720TA
公开(公告)日：2015-12-30
申请号：SG11201509720T
申请日：2014-05-21
Applicant: TORAY INDUSTRIES
Inventor： TANIGUCHI MASAHIDE , MAEDA TOMOHIRO , TAKABATAKE HIROO
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公开(公告)号：SG11201504957RA
公开(公告)日：2015-07-30
申请号：SG11201504957R
申请日：2013-12-19
Applicant: TORAY INDUSTRIES
Inventor： TANIGUCHI MASAHIDE , MAEDA TOMOHIRO
Abstract: Provided is a water treatment method in which impurities such as suspended substances in raw water are efficiently removed using a separation membrane, and in particular clarified water with sufficiently high water quality is stably produced as supplied water of a reverse osmosis membrane unit using a microfiltration membrane or an ultrafiltration membrane. The water treatment method, includes dosing a cationic coagulant to raw water a to form primary coagulated water, using the primary coagulated water as it is as final coagulated water when the zeta potential of the primary coagulated water b is less than 0 mV, or using final coagulated water obtained by dosing an anionic substance so that the zeta potential is less than 0 mV when the zeta potential of the primary coagulated water b is 0 mV or more, and treating the final coagulated water with a separation membrane of which the surface zeta potential is less than 0 mV, to obtain treated water d.
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