SG11202109824TA - Membrane separation method - Google Patents

Membrane separation method

Info

Publication number
SG11202109824TA
SG11202109824TA SG11202109824TA SG11202109824TA SG 11202109824T A SG11202109824T A SG 11202109824TA SG 11202109824T A SG11202109824T A SG 11202109824TA SG 11202109824T A SG11202109824T A SG 11202109824TA
Authority
SG
Singapore
Prior art keywords
separation method
membrane separation
membrane
separation
Prior art date
Application number
Other languages
English (en)
Inventor
Hideyuki Komori
Kunihiro Hayakawa
Yinghong Lu
Tzyy Haur Chong
Lee Nuang Sim
Jia Shin Ho
Original Assignee
Kurita Water Ind Ltd
Univ Nanyang Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kurita Water Ind Ltd, Univ Nanyang Tech filed Critical Kurita Water Ind Ltd
Publication of SG11202109824TA publication Critical patent/SG11202109824TA/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/10—Accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/162—Use of acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/168—Use of other chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
SG11202109824T 2019-03-29 2020-03-13 Membrane separation method SG11202109824TA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019065692A JP7220112B2 (ja) 2019-03-29 2019-03-29 膜分離方法
PCT/JP2020/011052 WO2020203168A1 (ja) 2019-03-29 2020-03-13 膜分離方法

Publications (1)

Publication Number Publication Date
SG11202109824TA true SG11202109824TA (en) 2021-10-28

Family

ID=72668381

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202109824T SG11202109824TA (en) 2019-03-29 2020-03-13 Membrane separation method

Country Status (7)

Country Link
EP (1) EP3950602B1 (ja)
JP (1) JP7220112B2 (ja)
KR (1) KR20210137479A (ja)
CN (1) CN113574022B (ja)
SG (1) SG11202109824TA (ja)
TW (1) TW202037566A (ja)
WO (1) WO2020203168A1 (ja)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000287679A (ja) * 1999-04-09 2000-10-17 Canon Inc バイオリアクターによる気体状有機塩素化合物の分解方法ならびに装置
KR100524148B1 (ko) * 2003-08-14 2005-10-27 애큐랩주식회사 수성시스템에서의 미생물오염제어방법
US20050061741A1 (en) * 2003-09-23 2005-03-24 Mainz Eric L. Method for treating reverse osmosis membranes with chlorine dioxide
JP2006263510A (ja) 2005-03-22 2006-10-05 Kurita Water Ind Ltd 膜分離用スライム防止剤及び膜分離方法
US20070034570A1 (en) * 2005-08-11 2007-02-15 Dimascio Felice Biofilm reduction in pressure driven membrane-based water treatment systems
JP5608988B2 (ja) * 2009-02-27 2014-10-22 栗田工業株式会社 活性炭用スライムコントロール剤、活性炭装置への通水方法、有機物含有水の処理方法及び処理装置
JP2010201312A (ja) * 2009-03-02 2010-09-16 Kurita Water Ind Ltd 膜分離方法
SG178304A1 (en) * 2009-08-21 2012-03-29 Toray Industries Fresh water production method
SG182840A1 (en) * 2010-03-30 2012-09-27 Kobelco Eco Solutions Co Ltd Water treatment apparatus and water treatment method
JP5807634B2 (ja) 2010-03-31 2015-11-10 栗田工業株式会社 逆浸透膜処理方法
EP2554050B9 (en) 2010-03-31 2018-10-03 Kurita Water Industries Ltd. Combined chlorine agent, and manufacturing method and method of use for same
JP5850441B2 (ja) * 2010-10-15 2016-02-03 ソウル大学校産学協力団Ｓｎｕ Ｒ＆Ｄｂ Ｆｏｕｎｄａｔｉｏｎ 生物膜形成抑制微生物固定化容器及びこれを利用した分離膜水処理装置
TWI537046B (zh) * 2011-07-06 2016-06-11 栗田工業股份有限公司 膜分離方法
SG11201707742XA (en) * 2015-03-31 2017-10-30 Kurita Water Ind Ltd Method for operating reverse-osmosis-membrane treatment system and reverse-osmosis-membrane treatment system
KR102291224B1 (ko) * 2016-10-25 2021-08-19 오르가노 코포레이션 역침투막을 이용하는 수처리 방법 및 수처리 장치
JP6249122B2 (ja) * 2017-03-30 2017-12-20 栗田工業株式会社 水系の微生物抑制方法
KR20190006207A (ko) * 2017-06-26 2019-01-18 지에스건설 주식회사 압력지연삼투 공정의 성능 개선방법

Also Published As

Publication number Publication date
JP7220112B2 (ja) 2023-02-09
CN113574022B (zh) 2023-12-29
CN113574022A (zh) 2021-10-29
EP3950602A1 (en) 2022-02-09
EP3950602A4 (en) 2022-05-04
EP3950602B1 (en) 2024-02-14
WO2020203168A1 (ja) 2020-10-08
TW202037566A (zh) 2020-10-16
KR20210137479A (ko) 2021-11-17
JP2020163271A (ja) 2020-10-08

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