BR112023014249A2 - Método para operar um dispositivo de membrana de osmose reversa, método de controle de lodo que é aplicado a um dispositivo de membrana de osmose reversa, e, dispositivo de tratamento de água - Google Patents

Método para operar um dispositivo de membrana de osmose reversa, método de controle de lodo que é aplicado a um dispositivo de membrana de osmose reversa, e, dispositivo de tratamento de água

Info

Publication number
BR112023014249A2
BR112023014249A2 BR112023014249A BR112023014249A BR112023014249A2 BR 112023014249 A2 BR112023014249 A2 BR 112023014249A2 BR 112023014249 A BR112023014249 A BR 112023014249A BR 112023014249 A BR112023014249 A BR 112023014249A BR 112023014249 A2 BR112023014249 A2 BR 112023014249A2
Authority
BR
Brazil
Prior art keywords
reverse osmosis
osmosis membrane
membrane device
operating
water treatment
Prior art date
Application number
BR112023014249A
Other languages
English (en)
Inventor
Junichi Takahashi
Koji Nakata
Original Assignee
Kurita Water Ind Ltd
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 filed Critical Kurita Water Ind Ltd
Publication of BR112023014249A2 publication Critical patent/BR112023014249A2/pt

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
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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
    • B01D61/04—Feed pretreatment
    • 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
    • B01D65/06—Membrane cleaning or sterilisation ; Membrane regeneration with special washing compositions
    • 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
    • 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
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/12—Addition of chemical agents
    • 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
    • B01D2321/167—Use of scale inhibitors
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/20—Prevention of biofouling
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

método para operar um dispositivo de membrana de osmose reversa, método de controle de lodo que é aplicado a um dispositivo de membrana de osmose reversa, e, dispositivo de tratamento de água. a presente invenção fornece uma técnica com a qual um sistema de água com um dispositivo de membrana de osmose reversa pode ser operado de forma estável por um longo período de tempo. a presente invenção pode fornecer um método para operar um dispositivo de membrana de osmose reversa, em que o método compreende: uma primeira etapa para adicionar intermitentemente um inibidor de lodo à base de oxidação e fornecer de forma intermitente água a ser tratada contendo o inibidor de lodo à base de oxidação a uma membrana de osmose reversa dispositivo; e uma segunda etapa para adicionar um inibidor de lodo de base orgânica pelo menos durante um período diferente do período de adição da primeira etapa e fornecer a água a ser tratada contendo o inibidor de lodo de base orgânica ao dispositivo de membrana de osmose reversa.
BR112023014249A 2021-03-29 2022-02-24 Método para operar um dispositivo de membrana de osmose reversa, método de controle de lodo que é aplicado a um dispositivo de membrana de osmose reversa, e, dispositivo de tratamento de água BR112023014249A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021055489A JP7248046B2 (ja) 2021-03-29 2021-03-29 逆浸透膜装置の運転方法
PCT/JP2022/007588 WO2022209461A1 (ja) 2021-03-29 2022-02-24 逆浸透膜装置の運転方法

Publications (1)

Publication Number Publication Date
BR112023014249A2 true BR112023014249A2 (pt) 2023-10-03

Family

ID=83455999

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023014249A BR112023014249A2 (pt) 2021-03-29 2022-02-24 Método para operar um dispositivo de membrana de osmose reversa, método de controle de lodo que é aplicado a um dispositivo de membrana de osmose reversa, e, dispositivo de tratamento de água

Country Status (11)

Country Link
US (1) US20240083779A1 (pt)
EP (1) EP4317083A1 (pt)
JP (2) JP7248046B2 (pt)
KR (1) KR20230163355A (pt)
CN (1) CN116848070A (pt)
BR (1) BR112023014249A2 (pt)
CL (1) CL2023002380A1 (pt)
CO (1) CO2023010994A2 (pt)
PE (1) PE20240422A1 (pt)
TW (1) TW202300463A (pt)
WO (1) WO2022209461A1 (pt)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009247992A (ja) 2008-04-07 2009-10-29 Japan Organo Co Ltd 純水製造方法および純水製造装置
WO2011125762A1 (ja) 2010-03-31 2011-10-13 栗田工業株式会社 結合塩素剤、その製造および使用方法
JP2018114473A (ja) 2017-01-19 2018-07-26 三浦工業株式会社 水処理システム
JP6489276B1 (ja) 2018-08-23 2019-03-27 栗田工業株式会社 逆浸透膜装置のスライム抑制方法
JP7127464B2 (ja) 2018-10-03 2022-08-30 三浦工業株式会社 水処理システム

Also Published As

Publication number Publication date
EP4317083A1 (en) 2024-02-07
PE20240422A1 (es) 2024-03-07
JP2023021278A (ja) 2023-02-10
US20240083779A1 (en) 2024-03-14
TW202300463A (zh) 2023-01-01
CO2023010994A2 (es) 2023-09-18
WO2022209461A1 (ja) 2022-10-06
CN116848070A (zh) 2023-10-03
CL2023002380A1 (es) 2024-01-19
JP7248046B2 (ja) 2023-03-29
KR20230163355A (ko) 2023-11-30
JP2022152642A (ja) 2022-10-12

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