FR2029701A1 - Extraction of substances in low concentrate - ions in fluids by expanded polyurethane - Google Patents

Extraction of substances in low concentrate - ions in fluids by expanded polyurethane

Info

Publication number
FR2029701A1
FR2029701A1 FR7003111A FR7003111A FR2029701A1 FR 2029701 A1 FR2029701 A1 FR 2029701A1 FR 7003111 A FR7003111 A FR 7003111A FR 7003111 A FR7003111 A FR 7003111A FR 2029701 A1 FR2029701 A1 FR 2029701A1
Authority
FR
France
Prior art keywords
fluids
ions
substances
extraction
expanded polyurethane
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.)
Withdrawn
Application number
FR7003111A
Other languages
French (fr)
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.)
Dunlop Co Ltd
Original Assignee
Dunlop Co Ltd
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 Dunlop Co Ltd filed Critical Dunlop Co Ltd
Publication of FR2029701A1 publication Critical patent/FR2029701A1/en
Withdrawn legal-status Critical Current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
    • C02F1/26—Treatment of water, waste water, or sewage by extraction
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Polarisable molecules or anions of a substance in aqs. soln. or as vapour in a gas are extracted by contact with pref. expanded polyurethane, contg. a chelating agent. The aqs. soln. is opt. neutral or acid,.
FR7003111A 1969-01-30 1970-01-29 Extraction of substances in low concentrate - ions in fluids by expanded polyurethane Withdrawn FR2029701A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB527969 1969-01-30
GB3790969 1969-07-29

Publications (1)

Publication Number Publication Date
FR2029701A1 true FR2029701A1 (en) 1970-10-23

Family

ID=26239774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7003111A Withdrawn FR2029701A1 (en) 1969-01-30 1970-01-29 Extraction of substances in low concentrate - ions in fluids by expanded polyurethane

Country Status (5)

Country Link
AU (1) AU1071570A (en)
BE (1) BE745097A (en)
DE (1) DE2004314A1 (en)
FR (1) FR2029701A1 (en)
NL (1) NL7001310A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975387A (en) * 1974-02-06 1976-08-17 Texaco Inc. Removal of unconsumed reactants and polar by-products from reaction product mixtures through adsorption on polyurethane foam
US4066387A (en) * 1975-03-26 1978-01-03 The State Of Israel Ministry Of Commerce And Industry Method of improving the sorption capacity of polymers
EP0457359B1 (en) * 1986-06-04 1994-03-09 Passavant-Werke Ag Method of extracting organic compounds from water
DE3618698A1 (en) * 1986-06-04 1987-12-10 Passavant Werke METHOD FOR SEPARATING ORGANIC COMPOUNDS FROM WATER BY EXTRACTION

Also Published As

Publication number Publication date
DE2004314A1 (en) 1970-10-15
NL7001310A (en) 1970-08-03
BE745097A (en) 1970-07-01
AU1071570A (en) 1971-07-29

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Legal Events

Date Code Title Description
ST Notification of lapse