IN2014DN10979A - - Google Patents

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Publication number
IN2014DN10979A
IN2014DN10979A IN10979DEN2014A IN2014DN10979A IN 2014DN10979 A IN2014DN10979 A IN 2014DN10979A IN 10979DEN2014 A IN10979DEN2014 A IN 10979DEN2014A IN 2014DN10979 A IN2014DN10979 A IN 2014DN10979A
Authority
IN
India
Prior art keywords
fluoropolymer resin
resin waste
waste solids
wastewater
passing
Prior art date
Application number
Inventor
Antonius Cornelis Maria Roelen
David William Johnson
William Wayne Goudie
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of IN2014DN10979A publication Critical patent/IN2014DN10979A/en

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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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • 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
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention provides for a process for treating wastewater containing fluoropolymer resin waste solids comprising: passing the wastewater through hollow fiber membranes to separate fluoropolymer resin waste solids and produce treated filtrate water; and removing the fluoropolymer resin waste solids from the wastewater.
IN10979DEN2014 2012-08-17 2013-08-15 IN2014DN10979A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261684328P 2012-08-17 2012-08-17
PCT/US2013/055033 WO2014028676A1 (en) 2012-08-17 2013-08-15 Treating wastewater by ultrafiltration in fluoropolymer resin manufacture

Publications (1)

Publication Number Publication Date
IN2014DN10979A true IN2014DN10979A (en) 2015-09-18

Family

ID=49004088

Family Applications (1)

Application Number Title Priority Date Filing Date
IN10979DEN2014 IN2014DN10979A (en) 2012-08-17 2013-08-15

Country Status (6)

Country Link
US (1) US20140048490A1 (en)
EP (1) EP2885250A1 (en)
JP (1) JP2015530237A (en)
CN (1) CN104583135A (en)
IN (1) IN2014DN10979A (en)
WO (1) WO2014028676A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI125978B (en) * 2013-02-22 2016-05-13 Endev Oy Rotary mass dryer and method for drying wet sludge
CN104944533B (en) 2014-03-26 2017-08-25 北京师范大学 A kind of concentrating and separating minimizing technology of perfluorochemical
AU2017249070B2 (en) * 2016-04-13 2020-05-28 Emerging Compounds Treatment Technologies, Inc. A sustainable system and method for removing and concentrating per-and polyfluoroalkyl substances (PFAS) from water
WO2019004298A1 (en) 2017-06-27 2019-01-03 ダイキン工業株式会社 Method and system for treating aqueous fluid resulting from fluoropolymer production step
CA3108072A1 (en) * 2018-08-01 2020-02-06 Membrane Systems Australia Pty Ltd System and process for removing polyfluorinated pollutants from water
WO2022018472A1 (en) * 2020-07-21 2022-01-27 Suez Groupe Pfas treatment process for liquid effluent
CN114685700B (en) * 2020-12-25 2023-08-01 中昊晨光化工研究院有限公司 Recycling method of polytetrafluoroethylene dispersion resin condensation mother liquor
AU2022248996B2 (en) * 2021-04-02 2024-12-19 Emerging Compounds Treatment Technologies, Inc. System and method for separating competing anions from per- and polyfluoroalkyl substances (pfas) in water

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU721064B2 (en) * 1996-12-20 2000-06-22 Evoqua Water Technologies Llc Scouring method
ITMI981505A1 (en) * 1998-06-30 1999-12-30 Ausimont Spa PURIFICATION OF FLUORINATED POLYMERS
WO2000030742A1 (en) * 1998-11-23 2000-06-02 Zenon Environmental Inc. Water filtration using immersed membranes
JP5055652B2 (en) * 2000-08-11 2012-10-24 ダイキン工業株式会社 Method for recovering fluorine-containing surfactant
KR100661935B1 (en) * 2002-09-27 2006-12-28 미쯔비시 레이온 가부시끼가이샤 Hollow fiber membrane module, hollow fiber membrane module unit, membrane filtering device using the module unit, and method of operating the membrane filtering device
US20040217058A1 (en) * 2002-12-19 2004-11-04 Jason Cadera Integrated dissolved air flotation and immersed membrane filtration apparatus and method for using same
US20070276103A1 (en) * 2006-05-25 2007-11-29 3M Innovative Properties Company Fluorinated Surfactants
US20080023398A1 (en) * 2006-07-28 2008-01-31 General Electric Company Method for removal and recovery of water from polymer manufacturing
CN100522835C (en) * 2007-06-15 2009-08-05 浙江大学 Method and apparatus for treating waste water containing low-concentration perfluoro ammonium caprylate
EP2183299A1 (en) * 2007-08-20 2010-05-12 Technion Research and Development Foundation, Ltd. Polysulfone polymers and membranes for reverse osmosis, nanofiltration and ultrafiltration
CN101928078B (en) * 2009-06-19 2012-08-22 中国科学院过程工程研究所 Method for treating wastewater with low-concentration ammonium perfluorooctanoate through all-film method
US20130015131A1 (en) * 2010-03-30 2013-01-17 Toray Industries, Inc. Method for washing separation membrane module and method for generating fresh water

Also Published As

Publication number Publication date
CN104583135A (en) 2015-04-29
US20140048490A1 (en) 2014-02-20
JP2015530237A (en) 2015-10-15
EP2885250A1 (en) 2015-06-24
WO2014028676A1 (en) 2014-02-20

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