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WO2012177366A3 - Methods for cleaning water filtration media - Google Patents

Methods for cleaning water filtration media Download PDF

Info

Publication number
WO2012177366A3
WO2012177366A3 PCT/US2012/040010 US2012040010W WO2012177366A3 WO 2012177366 A3 WO2012177366 A3 WO 2012177366A3 US 2012040010 W US2012040010 W US 2012040010W WO 2012177366 A3 WO2012177366 A3 WO 2012177366A3
Authority
WO
WIPO (PCT)
Prior art keywords
water filtration
filtration media
applying
cleaning water
methods
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2012/040010
Other languages
French (fr)
Other versions
WO2012177366A2 (en
Inventor
Stephen D. O'connor
C.J. Yu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blue Earth Labs LLC
Original Assignee
Blue Earth Labs LLC
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 Blue Earth Labs LLC filed Critical Blue Earth Labs LLC
Publication of WO2012177366A2 publication Critical patent/WO2012177366A2/en
Publication of WO2012177366A3 publication Critical patent/WO2012177366A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • C02F2303/16—Regeneration of sorbents, filters

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Materials (AREA)

Abstract

A method of removing contaminants from water filtration media is disclosed, including (a) applying a granular cleaner to the water filtration media, and (b) after step (a), applying multiple discrete doses of an activator to the water filtration media at predetermined time intervals. Further disclosed is a method of cleaning water filtration media, including (a) applying a granular cleaner to the water filtration media that is reactive with at least one first inorganic contaminant; (b) after step (a), applying a liquid cleaner to the water filtration media that is compositionally different from the granular cleaner and reactive with at least one second inorganic contaminant; and (c) after step (b), applying an activator to the water filtration media that is reactive with an organic contaminant. A method of cleaning water filtration media is also disclosed including agitating at least a portion of the water filtration media.
PCT/US2012/040010 2011-06-23 2012-05-30 Methods for cleaning water filtration media Ceased WO2012177366A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161500607P 2011-06-23 2011-06-23
US61/500,607 2011-06-23

Publications (2)

Publication Number Publication Date
WO2012177366A2 WO2012177366A2 (en) 2012-12-27
WO2012177366A3 true WO2012177366A3 (en) 2013-02-28

Family

ID=47423146

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/040010 Ceased WO2012177366A2 (en) 2011-06-23 2012-05-30 Methods for cleaning water filtration media

Country Status (1)

Country Link
WO (1) WO2012177366A2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10278392B2 (en) 2016-04-15 2019-05-07 Ecolab Usa Inc. Performic acid biofilm prevention for industrial CO2 scrubbers
US10524470B2 (en) 2016-12-15 2020-01-07 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning in energy services
US10737302B2 (en) 2015-12-16 2020-08-11 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6139756A (en) * 1998-12-05 2000-10-31 Degussa-Huls Ag Method of treating swimming pool water
US20030203827A1 (en) * 2002-04-30 2003-10-30 Cooper Andrew J. Method of simultaneously cleaning and disinfecting industrial water systems
US20060043028A1 (en) * 2004-08-24 2006-03-02 Ulrich Reimann-Philipp Process for in-site cleaning of drinking water filtration media

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6139756A (en) * 1998-12-05 2000-10-31 Degussa-Huls Ag Method of treating swimming pool water
US20030203827A1 (en) * 2002-04-30 2003-10-30 Cooper Andrew J. Method of simultaneously cleaning and disinfecting industrial water systems
US20060043028A1 (en) * 2004-08-24 2006-03-02 Ulrich Reimann-Philipp Process for in-site cleaning of drinking water filtration media

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10737302B2 (en) 2015-12-16 2020-08-11 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning
US11117172B2 (en) 2015-12-16 2021-09-14 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning
US12296365B2 (en) 2015-12-16 2025-05-13 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning
US10278392B2 (en) 2016-04-15 2019-05-07 Ecolab Usa Inc. Performic acid biofilm prevention for industrial CO2 scrubbers
US11241009B2 (en) 2016-04-15 2022-02-08 Ecolab Usa Inc. Performic acid biofilm prevention for industrial CO2 scrubbers
US11882826B2 (en) 2016-04-15 2024-01-30 Ecolab Usa Inc. Performic acid biofilm prevention for industrial CO2 scrubbers
US12290071B2 (en) 2016-04-15 2025-05-06 Ecolab Usa Inc. Performic acid biofilm prevention for industrial CO2 scrubbers
US10524470B2 (en) 2016-12-15 2020-01-07 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning in energy services
US11026420B2 (en) 2016-12-15 2021-06-08 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning in energy services
US11647747B2 (en) 2016-12-15 2023-05-16 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning in energy services
US12059002B2 (en) 2016-12-15 2024-08-13 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning in energy services
US12382955B2 (en) 2016-12-15 2025-08-12 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning in energy services

Also Published As

Publication number Publication date
WO2012177366A2 (en) 2012-12-27

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