ZA200809562B - Method of improving performance of ultrafiltration or microfiltration membrane process in backwash water treatment - Google Patents

Method of improving performance of ultrafiltration or microfiltration membrane process in backwash water treatment

Info

Publication number
ZA200809562B
ZA200809562B ZA200809562A ZA200809562A ZA200809562B ZA 200809562 B ZA200809562 B ZA 200809562B ZA 200809562 A ZA200809562 A ZA 200809562A ZA 200809562 A ZA200809562 A ZA 200809562A ZA 200809562 B ZA200809562 B ZA 200809562B
Authority
ZA
South Africa
Prior art keywords
ultrafiltration
water treatment
backwash water
improving performance
microfiltration membrane
Prior art date
Application number
ZA200809562A
Other languages
English (en)
Inventor
Deepak A Musale
Original Assignee
Nalco Co
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 Nalco Co filed Critical Nalco Co
Publication of ZA200809562B publication Critical patent/ZA200809562B/xx

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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • 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
    • B01D61/147—Microfiltration
    • 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
    • B01D61/16—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
    • B01D61/58—Multistep processes
    • 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
    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • 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
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • 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
    • B01D2311/16—Flow or flux control
    • 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
    • B01D2317/00—Membrane module arrangements within a plant or an apparatus
    • B01D2317/02—Elements in series
    • B01D2317/025—Permeate series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2317/00—Membrane module arrangements within a plant or an apparatus
    • B01D2317/08—Use of membrane modules of different kinds
    • 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
    • B01D2321/04—Backflushing
    • 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
    • B01D61/027—Nanofiltration
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ZA200809562A 2006-05-31 2008-11-10 Method of improving performance of ultrafiltration or microfiltration membrane process in backwash water treatment ZA200809562B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/421,172 US20070278151A1 (en) 2006-05-31 2006-05-31 Method of improving performance of ultrafiltration or microfiltration membrane processes in backwash water treatment

Publications (1)

Publication Number Publication Date
ZA200809562B true ZA200809562B (en) 2009-11-25

Family

ID=38788863

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200809562A ZA200809562B (en) 2006-05-31 2008-11-10 Method of improving performance of ultrafiltration or microfiltration membrane process in backwash water treatment

Country Status (12)

Country Link
US (1) US20070278151A1 (xx)
EP (1) EP2021106B1 (xx)
CN (1) CN101454066B (xx)
AU (1) AU2007256957B2 (xx)
BR (1) BRPI0711233B1 (xx)
CA (1) CA2660597C (xx)
MX (1) MX318441B (xx)
RU (1) RU2429901C2 (xx)
TW (1) TWI446956B (xx)
UA (1) UA98109C2 (xx)
WO (1) WO2007143448A1 (xx)
ZA (1) ZA200809562B (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8513147B2 (en) 2003-06-19 2013-08-20 Eastman Chemical Company Nonwovens produced from multicomponent fibers
US7892993B2 (en) 2003-06-19 2011-02-22 Eastman Chemical Company Water-dispersible and multicomponent fibers from sulfopolyesters
US20040260034A1 (en) 2003-06-19 2004-12-23 Haile William Alston Water-dispersible fibers and fibrous articles
US7662289B2 (en) * 2007-01-16 2010-02-16 Nalco Company Method of cleaning fouled or scaled membranes
US7674382B2 (en) * 2007-05-03 2010-03-09 Nalco Company Method of cleaning fouled and/or scaled membranes
US8512519B2 (en) 2009-04-24 2013-08-20 Eastman Chemical Company Sulfopolyesters for paper strength and process
WO2011137557A1 (en) * 2010-05-05 2011-11-10 General Electric Company Mixed liquor filterability treatment in a membrane bioreactor
US9273417B2 (en) 2010-10-21 2016-03-01 Eastman Chemical Company Wet-Laid process to produce a bound nonwoven article
US8840757B2 (en) 2012-01-31 2014-09-23 Eastman Chemical Company Processes to produce short cut microfibers
US9303357B2 (en) 2013-04-19 2016-04-05 Eastman Chemical Company Paper and nonwoven articles comprising synthetic microfiber binders
CN103588324B (zh) * 2013-11-16 2015-02-04 康乃尔化学工业股份有限公司 全流过滤超滤反洗水回收工艺
US20170274325A1 (en) * 2013-12-02 2017-09-28 Toray Industries, Inc. Water treatment method
US9598802B2 (en) 2013-12-17 2017-03-21 Eastman Chemical Company Ultrafiltration process for producing a sulfopolyester concentrate
US9605126B2 (en) 2013-12-17 2017-03-28 Eastman Chemical Company Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion
US9850154B2 (en) * 2013-12-30 2017-12-26 Ecolab Usa Inc. Method of reducing industrial water use
WO2015138092A1 (en) 2014-03-12 2015-09-17 Ecolab Usa Inc. Waste water decontamination
ITUA20164377A1 (it) * 2016-06-15 2017-12-15 I F T International Filtration Tech S R L Via Felice Pusterla 29 22070 Grandate Como Dispositivo e processo di purificazione dell’acqua mediante nano e ultrafiltrazione
CN107158949A (zh) * 2017-07-10 2017-09-15 北京赛诺膜技术有限公司 一种高回收率的超滤净水处理工艺
CN108928948B (zh) * 2018-08-28 2021-02-19 山东禹王生态食业有限公司 一种过滤器清洗系统
CN111533322B (zh) * 2020-05-25 2021-08-13 南京农业大学 一种超滤处理微生物污染废水的膜污染控制方法
CN112142243A (zh) * 2020-09-30 2020-12-29 上海城市水资源开发利用国家工程中心有限公司 一种水处理装置及处理方法

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US3657402A (en) * 1970-04-15 1972-04-18 Westinghouse Electric Corp Casting tubular reverse osmosis membranes in place
US4028241A (en) * 1975-08-25 1977-06-07 Hungerford & Terry, Inc. Apparatus for and method of recovering water used to backwash and rinse a filter
EP0592698B1 (de) * 1991-04-15 1995-12-20 Klaus Jörgens Ultrafiltrationsseparator
US5346627A (en) * 1992-03-03 1994-09-13 Nalco Chemical Company Method for removing metals from a fluid stream
FR2697446B1 (fr) * 1992-11-03 1994-12-02 Aquasource Procédé de traitement d'un fluide contenant des matières en suspension et en solution, par utilisation de membranes de séparation.
US5766478A (en) * 1995-05-30 1998-06-16 The Regents Of The University Of California, Office Of Technology Transfer Water-soluble polymers for recovery of metal ions from aqueous streams
DE19810388B4 (de) 1998-03-11 2007-10-11 Krüger WABAG GmbH Verfahren zur Aufbereitung von verbrauchtem Rückspülwasser
US6313246B1 (en) * 1999-07-07 2001-11-06 Nalco Chemical Company High molecular weight zwitterionic polymers
US6416668B1 (en) * 1999-09-01 2002-07-09 Riad A. Al-Samadi Water treatment process for membranes
US6613232B2 (en) * 2000-03-21 2003-09-02 Warren Howard Chesner Mobile floating water treatment vessel
US20040168980A1 (en) * 2002-01-04 2004-09-02 Musale Deepak A. Combination polymer treatment for flux enhancement in MBR
US6723245B1 (en) * 2002-01-04 2004-04-20 Nalco Company Method of using water soluble cationic polymers in membrane biological reactors
US20040065613A1 (en) * 2002-10-02 2004-04-08 Jason Cadera Use of polymer as flocculation aid in membrane filtration
US7879229B2 (en) * 2003-10-29 2011-02-01 Zenon Technology Partnership Water treatment plant with immersed membranes
WO2005070833A1 (ja) * 2004-01-22 2005-08-04 Idemitsu Kosan Co., Ltd. 難分解性物質含有水の処理方法
US8758621B2 (en) * 2004-03-26 2014-06-24 Evoqua Water Technologies Llc Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
JP2007021347A (ja) 2005-07-14 2007-02-01 Idemitsu Kosan Co Ltd 難分解性物質含有水の処理方法

Also Published As

Publication number Publication date
UA98109C2 (ru) 2012-04-25
CA2660597C (en) 2015-07-14
MX318441B (es) 2014-03-07
CN101454066A (zh) 2009-06-10
BRPI0711233B1 (pt) 2018-12-26
EP2021106A4 (en) 2011-06-08
EP2021106B1 (en) 2020-01-22
CA2660597A1 (en) 2007-12-13
RU2008147544A (ru) 2010-07-10
AU2007256957B2 (en) 2012-01-19
TWI446956B (zh) 2014-08-01
MX2008015302A (es) 2009-04-07
TW200817083A (en) 2008-04-16
AU2007256957A1 (en) 2007-12-13
CN101454066B (zh) 2013-01-16
RU2429901C2 (ru) 2011-09-27
EP2021106A1 (en) 2009-02-11
BRPI0711233A2 (pt) 2011-08-23
US20070278151A1 (en) 2007-12-06
WO2007143448A1 (en) 2007-12-13

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