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 polyurethaneInfo
- 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- Withdrawn
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)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (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,.
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)
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 |
-
1970
- 1970-01-28 AU AU10715/70A patent/AU1071570A/en not_active Expired
- 1970-01-28 BE BE745097D patent/BE745097A/en unknown
- 1970-01-29 NL NL7001310A patent/NL7001310A/xx unknown
- 1970-01-29 FR FR7003111A patent/FR2029701A1/en not_active Withdrawn
- 1970-01-30 DE DE19702004314 patent/DE2004314A1/en active Pending
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 |