NO170679C - Fremgangsmaate for behandling av tungmetallholdige rester fra rensing av raafosforsyrer - Google Patents
Fremgangsmaate for behandling av tungmetallholdige rester fra rensing av raafosforsyrerInfo
- Publication number
- NO170679C NO170679C NO862574A NO862574A NO170679C NO 170679 C NO170679 C NO 170679C NO 862574 A NO862574 A NO 862574A NO 862574 A NO862574 A NO 862574A NO 170679 C NO170679 C NO 170679C
- Authority
- NO
- Norway
- Prior art keywords
- heavy metal
- purification
- raw
- procedure
- treatment
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/237—Selective elimination of impurities
- C01B25/238—Cationic impurities, e.g. arsenic compounds
-
- 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
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/385—Thiophosphoric acids, or esters thereof
-
- 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)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853522822 DE3522822A1 (de) | 1985-06-26 | 1985-06-26 | Verfahren zur aufarbeitung von schwermetallhaltigen rueckstaenden aus der reinigung von rohphosphorsaeuren |
Publications (4)
Publication Number | Publication Date |
---|---|
NO862574D0 NO862574D0 (no) | 1986-06-25 |
NO862574L NO862574L (no) | 1986-12-29 |
NO170679B NO170679B (no) | 1992-08-10 |
NO170679C true NO170679C (no) | 1992-11-18 |
Family
ID=6274223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO862574A NO170679C (no) | 1985-06-26 | 1986-06-25 | Fremgangsmaate for behandling av tungmetallholdige rester fra rensing av raafosforsyrer |
Country Status (8)
Country | Link |
---|---|
US (1) | US4762693A (fi) |
EP (1) | EP0206022B1 (fi) |
JP (1) | JPS623009A (fi) |
AT (1) | ATE74571T1 (fi) |
DE (2) | DE3522822A1 (fi) |
FI (1) | FI80251C (fi) |
IL (1) | IL78989A0 (fi) |
NO (1) | NO170679C (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4938085A (en) * | 1987-06-30 | 1990-07-03 | Honda Giken Kogyo Kabushiki Kaisha | Power transmission system in a tractor |
DE3821242A1 (de) * | 1988-06-23 | 1989-12-28 | Antonio M Dipl Ing Celi | Verfahren und vorrichtung zur aufarbeitung metallbelasteter abfallschlaemme |
US5591270A (en) * | 1995-07-31 | 1997-01-07 | Corpex Technologies, Inc. | Lead oxide removal method |
US5678232A (en) * | 1995-07-31 | 1997-10-14 | Corpex Technologies, Inc. | Lead decontamination method |
US5814204A (en) * | 1996-10-11 | 1998-09-29 | Corpex Technologies, Inc. | Electrolytic decontamination processes |
EP3925710A1 (en) | 2020-06-16 | 2021-12-22 | Yara International ASA | Method for treating solid hazardous heavy metal-containing compositions |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2909572A1 (de) * | 1979-03-12 | 1980-09-25 | Hoechst Ag | Verfahren zur ueberfuehrung von extraktionsrueckstaenden aus der phosphorsaeurereinigung in feste deponieprodukte |
DE3127900A1 (de) * | 1981-07-15 | 1983-02-03 | Hoechst Ag, 6000 Frankfurt | Verfahren zur extraktion von schwermetallionen aus waessrigen loesungen |
DE3135801A1 (de) * | 1981-09-10 | 1983-03-24 | Hoechst Ag, 6000 Frankfurt | Verfahren zur nachbehandlung von extraktionsrueckstaenden der phosphorsaeurereinigung |
DE3202658A1 (de) * | 1982-01-28 | 1983-08-04 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entfernung von schwermetallionen aus nassverfahrensphosphorsaeure |
DE3202659A1 (de) * | 1982-01-28 | 1983-08-04 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von nassverfahrensphosphorsaeure |
DE3212675A1 (de) * | 1982-04-05 | 1983-10-06 | Hoechst Ag | Verfahren zur abtrennung von schwermetallverbindungen aus zwischenprodukten der fabrikation von phosphorduengemitteln |
IL69100A (en) * | 1982-07-21 | 1986-11-30 | Hoechst Ag | Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid |
DE3246415A1 (de) * | 1982-12-15 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von nassverfahrenphosphorsaeure |
DE3502215A1 (de) * | 1985-01-24 | 1986-07-24 | Hoechst Ag | Verfahren zur ueberfuehrung schwermetallhaltiger rueckstaende in feste deponiefaehige produkte |
-
1985
- 1985-06-26 DE DE19853522822 patent/DE3522822A1/de not_active Withdrawn
-
1986
- 1986-06-02 IL IL78989A patent/IL78989A0/xx not_active IP Right Cessation
- 1986-06-04 DE DE8686107574T patent/DE3684727D1/de not_active Expired - Fee Related
- 1986-06-04 EP EP86107574A patent/EP0206022B1/de not_active Expired - Lifetime
- 1986-06-04 AT AT86107574T patent/ATE74571T1/de not_active IP Right Cessation
- 1986-06-24 JP JP61146311A patent/JPS623009A/ja active Pending
- 1986-06-24 FI FI862685A patent/FI80251C/fi not_active IP Right Cessation
- 1986-06-25 NO NO862574A patent/NO170679C/no unknown
-
1987
- 1987-04-16 US US07/039,792 patent/US4762693A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4762693A (en) | 1988-08-09 |
JPS623009A (ja) | 1987-01-09 |
EP0206022A2 (de) | 1986-12-30 |
DE3522822A1 (de) | 1987-01-02 |
NO170679B (no) | 1992-08-10 |
FI862685A (fi) | 1986-12-27 |
FI80251C (fi) | 1990-05-10 |
EP0206022A3 (en) | 1988-09-07 |
ATE74571T1 (de) | 1992-04-15 |
EP0206022B1 (de) | 1992-04-08 |
FI862685A0 (fi) | 1986-06-24 |
NO862574L (no) | 1986-12-29 |
FI80251B (fi) | 1990-01-31 |
IL78989A0 (en) | 1986-09-30 |
DE3684727D1 (de) | 1992-05-14 |
NO862574D0 (no) | 1986-06-25 |
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