SG10201908838XA - Wastewater treatment system with membrane bioreactor, electrodialysis and reverse osmosis - Google Patents

Wastewater treatment system with membrane bioreactor, electrodialysis and reverse osmosis

Info

Publication number
SG10201908838XA
SG10201908838XA SG10201908838XA SG10201908838XA SG10201908838XA SG 10201908838X A SG10201908838X A SG 10201908838XA SG 10201908838X A SG10201908838X A SG 10201908838XA SG 10201908838X A SG10201908838X A SG 10201908838XA SG 10201908838X A SG10201908838X A SG 10201908838XA
Authority
SG
Singapore
Prior art keywords
electrodialysis
treatment system
reverse osmosis
wastewater treatment
membrane bioreactor
Prior art date
Application number
SG10201908838XA
Inventor
Neil Moe
Harikrishnan Ramanan
Seng Yong Goh
Girish Gunasheela
Ramakrishna Srinivasarao Mallampati
Original Assignee
Bl Technologies Inc
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 Bl Technologies Inc filed Critical Bl Technologies Inc
Priority to SG10201908838XA priority Critical patent/SG10201908838XA/en
Priority to PCT/US2020/049924 priority patent/WO2021061402A1/en
Publication of SG10201908838XA publication Critical patent/SG10201908838XA/en

Links

Classifications

    • 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
    • B01D61/58—Multistep processes
    • 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
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • 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
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/422—Electrodialysis
    • B01D61/423—Electrodialysis comprising multiple electrodialysis steps
    • 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
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
    • B01D2311/252—Recirculation of concentrate
    • B01D2311/2523—Recirculation of concentrate to feed side
    • 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
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2688—Biological processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/06—Submerged-type; Immersion type
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
SG10201908838XA 2019-09-24 2019-09-24 Wastewater treatment system with membrane bioreactor, electrodialysis and reverse osmosis SG10201908838XA (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SG10201908838XA SG10201908838XA (en) 2019-09-24 2019-09-24 Wastewater treatment system with membrane bioreactor, electrodialysis and reverse osmosis
PCT/US2020/049924 WO2021061402A1 (en) 2019-09-24 2020-09-09 Water treatment system with membrane bioreactor, electrodialysis and reverse osmosis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG10201908838XA SG10201908838XA (en) 2019-09-24 2019-09-24 Wastewater treatment system with membrane bioreactor, electrodialysis and reverse osmosis

Publications (1)

Publication Number Publication Date
SG10201908838XA true SG10201908838XA (en) 2021-04-29

Family

ID=75166798

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201908838XA SG10201908838XA (en) 2019-09-24 2019-09-24 Wastewater treatment system with membrane bioreactor, electrodialysis and reverse osmosis

Country Status (2)

Country Link
SG (1) SG10201908838XA (en)
WO (1) WO2021061402A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5330901B2 (en) * 2009-05-28 2013-10-30 三菱重工業株式会社 Salt and freshwater co-production device and method
US8999171B2 (en) * 2011-07-18 2015-04-07 Hl Seawater Holdings, Llc Membrane and electrodialysis based seawater desalination with salt, boron and gypsum recovery
JP6807219B2 (en) * 2016-11-18 2021-01-06 オルガノ株式会社 Reverse osmosis membrane treatment system and reverse osmosis membrane treatment method

Also Published As

Publication number Publication date
WO2021061402A1 (en) 2021-04-01

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