WO2009081124A3 - Disposal of water-containing waste - Google Patents

Disposal of water-containing waste Download PDF

Info

Publication number
WO2009081124A3
WO2009081124A3 PCT/GB2008/004203 GB2008004203W WO2009081124A3 WO 2009081124 A3 WO2009081124 A3 WO 2009081124A3 GB 2008004203 W GB2008004203 W GB 2008004203W WO 2009081124 A3 WO2009081124 A3 WO 2009081124A3
Authority
WO
WIPO (PCT)
Prior art keywords
waste
prior
processing
disposal
water
Prior art date
Application number
PCT/GB2008/004203
Other languages
French (fr)
Other versions
WO2009081124A2 (en
Inventor
Susan Elizabeth Clarke
Original Assignee
Pyropure Limited
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 Pyropure Limited filed Critical Pyropure Limited
Priority to GB1010217A priority Critical patent/GB2468444A/en
Publication of WO2009081124A2 publication Critical patent/WO2009081124A2/en
Publication of WO2009081124A3 publication Critical patent/WO2009081124A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Methods are provided for processing sanitary waste comprising the step of chemical treatment of the waste to release liquid present therein prior to further treatment of the waste. Also provided is the use of a chemical agent to facilitate and/or enable release of liquid from sanitary waste prior to further processing. Methods of improving the efficiency of sanitary waste processing comprising chemical treatment of the sanitary waste to release absorbed liquid prior to further processing are also provided.
PCT/GB2008/004203 2007-12-22 2008-12-19 Disposal of water-containing waste WO2009081124A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1010217A GB2468444A (en) 2007-12-22 2008-12-19 Disposal of water-containing waste

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0725172.1A GB0725172D0 (en) 2007-12-22 2007-12-22 Disposal of water-containing waste
GB0725172.1 2007-12-22

Publications (2)

Publication Number Publication Date
WO2009081124A2 WO2009081124A2 (en) 2009-07-02
WO2009081124A3 true WO2009081124A3 (en) 2010-01-21

Family

ID=39048713

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/004203 WO2009081124A2 (en) 2007-12-22 2008-12-19 Disposal of water-containing waste

Country Status (2)

Country Link
GB (2) GB0725172D0 (en)
WO (1) WO2009081124A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102061673B1 (en) 2012-11-16 2020-01-02 킴벌리-클라크 월드와이드, 인크. Method for belching water from swollen superabsorbent polymers and method for recycling sanitary absorbent articles using the same
MX2018001716A (en) 2015-08-31 2018-05-15 Kimberly Clark Co Improving the purity of materials recycled from disposable absorbent articles.
GB201517370D0 (en) * 2015-10-01 2015-11-18 Personal Hygiene Services Ltd A Method of Processing Waste Material Including a Super Absorbent Polymer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5292075A (en) * 1992-05-29 1994-03-08 Knobbe, Martens, Olson & Bear Disposable diaper recycling process
EP1415733A1 (en) * 2001-07-09 2004-05-06 Nippon Asahi Kiko Hanbai Co., Ltd Used paper diaper processing method and used paper diaper processing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5292075A (en) * 1992-05-29 1994-03-08 Knobbe, Martens, Olson & Bear Disposable diaper recycling process
EP1415733A1 (en) * 2001-07-09 2004-05-06 Nippon Asahi Kiko Hanbai Co., Ltd Used paper diaper processing method and used paper diaper processing device

Also Published As

Publication number Publication date
GB2468444A (en) 2010-09-08
GB0725172D0 (en) 2008-01-30
WO2009081124A2 (en) 2009-07-02
GB201010217D0 (en) 2010-07-21

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