CA2187737A1 - Process for removing polluting material from water or wet solid matter - Google Patents

Process for removing polluting material from water or wet solid matter

Info

Publication number
CA2187737A1
CA2187737A1 CA002187737A CA2187737A CA2187737A1 CA 2187737 A1 CA2187737 A1 CA 2187737A1 CA 002187737 A CA002187737 A CA 002187737A CA 2187737 A CA2187737 A CA 2187737A CA 2187737 A1 CA2187737 A1 CA 2187737A1
Authority
CA
Canada
Prior art keywords
water
solid matter
wet solid
polluting material
removing polluting
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.)
Granted
Application number
CA002187737A
Other languages
French (fr)
Other versions
CA2187737C (en
Inventor
Edward Francis Cassidy
Gerhard Jozef Bleys
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.)
Huntsman International LLC
Original Assignee
Individual
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
Priority claimed from GB9409546A external-priority patent/GB9409546D0/en
Application filed by Individual filed Critical Individual
Publication of CA2187737A1 publication Critical patent/CA2187737A1/en
Application granted granted Critical
Publication of CA2187737C publication Critical patent/CA2187737C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/681—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of solid materials for removing an oily layer on water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

Process for removing polluting material from water or wet solid matter by bringing an isocyanate-containing prepolymer into contact with the materials, allowing the prepolymer to react with the water to form a flexible foam and removing the foam from water or solid matter.
CA002187737A 1994-05-12 1995-04-21 Process for removing polluting material from water or wet solid matter Expired - Fee Related CA2187737C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9409546A GB9409546D0 (en) 1994-05-12 1994-05-12 Process for removing unwanted material from wanted material
GB9409546.0 1994-05-12
PCT/EP1995/001517 WO1995031402A1 (en) 1994-05-12 1995-04-21 Process for removing polluting material from water or wet solid matter

Publications (2)

Publication Number Publication Date
CA2187737A1 true CA2187737A1 (en) 1995-11-23
CA2187737C CA2187737C (en) 2006-07-18

Family

ID=36694019

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002187737A Expired - Fee Related CA2187737C (en) 1994-05-12 1995-04-21 Process for removing polluting material from water or wet solid matter

Country Status (1)

Country Link
CA (1) CA2187737C (en)

Also Published As

Publication number Publication date
CA2187737C (en) 2006-07-18

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed