DE2449279A1 - Verfahren zur entfernung von zink aus waessrigen loesungen - Google Patents
Verfahren zur entfernung von zink aus waessrigen loesungenInfo
- Publication number
- DE2449279A1 DE2449279A1 DE19742449279 DE2449279A DE2449279A1 DE 2449279 A1 DE2449279 A1 DE 2449279A1 DE 19742449279 DE19742449279 DE 19742449279 DE 2449279 A DE2449279 A DE 2449279A DE 2449279 A1 DE2449279 A1 DE 2449279A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- zinc
- aqueous solution
- phosphoric acid
- organic
- 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.)
- Pending
Links
- 239000011701 zinc Substances 0.000 title claims description 95
- 229910052725 zinc Inorganic materials 0.000 title claims description 95
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims description 94
- 239000007864 aqueous solution Substances 0.000 title claims description 66
- 238000000034 method Methods 0.000 title claims description 32
- 239000000243 solution Substances 0.000 claims description 116
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 106
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 28
- 238000000605 extraction Methods 0.000 claims description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000005406 washing Methods 0.000 claims description 18
- -1 alkyl phosphoric acid Chemical compound 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 16
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 16
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 15
- 229960001763 zinc sulfate Drugs 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 13
- 238000002425 crystallisation Methods 0.000 claims description 12
- 230000008025 crystallization Effects 0.000 claims description 12
- 239000003350 kerosene Substances 0.000 claims description 12
- 230000002378 acidificating effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- 239000003085 diluting agent Substances 0.000 claims description 5
- 239000012452 mother liquor Substances 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 229910000358 iron sulfate Inorganic materials 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- RXROGUYJTMLZHX-UHFFFAOYSA-N decan-5-yl dihydrogen phosphate Chemical compound CCCCCC(OP(O)(O)=O)CCCC RXROGUYJTMLZHX-UHFFFAOYSA-N 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- JTXUVYOABGUBMX-UHFFFAOYSA-N didodecyl hydrogen phosphate Chemical compound CCCCCCCCCCCCOP(O)(=O)OCCCCCCCCCCCC JTXUVYOABGUBMX-UHFFFAOYSA-N 0.000 claims 1
- 235000011007 phosphoric acid Nutrition 0.000 description 18
- 239000012071 phase Substances 0.000 description 16
- 229920000297 Rayon Polymers 0.000 description 15
- 238000002156 mixing Methods 0.000 description 15
- 239000003513 alkali Substances 0.000 description 14
- 238000000926 separation method Methods 0.000 description 13
- 239000012074 organic phase Substances 0.000 description 11
- 239000002964 rayon Substances 0.000 description 11
- 238000009987 spinning Methods 0.000 description 11
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000008346 aqueous phase Substances 0.000 description 8
- 229920002678 cellulose Polymers 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 8
- 159000000000 sodium salts Chemical class 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 150000002903 organophosphorus compounds Chemical class 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 150000003752 zinc compounds Chemical class 0.000 description 2
- WQHUYOLHDYLRDD-UHFFFAOYSA-N (1-cyclohexyloxycyclohexyl)phosphonic acid Chemical compound C1CCCCC1OC1(P(O)(=O)O)CCCCC1 WQHUYOLHDYLRDD-UHFFFAOYSA-N 0.000 description 1
- VVVKMHPKXBNERJ-UHFFFAOYSA-N (1-phenoxycyclohexyl)oxy dihydrogen phosphate Chemical compound C=1C=CC=CC=1OC1(OOP(O)(=O)O)CCCCC1 VVVKMHPKXBNERJ-UHFFFAOYSA-N 0.000 description 1
- NPJJEDXBQSXRBF-UHFFFAOYSA-N (1-phenoxycyclohexyl)phosphonic acid Chemical compound C=1C=CC=CC=1OC1(P(O)(=O)O)CCCCC1 NPJJEDXBQSXRBF-UHFFFAOYSA-N 0.000 description 1
- UPTJLSZMHHPFOE-UHFFFAOYSA-N (2-butoxyphenyl)phosphonic acid Chemical compound CCCCOC1=CC=CC=C1P(O)(O)=O UPTJLSZMHHPFOE-UHFFFAOYSA-N 0.000 description 1
- ANKCEAUHZUFETE-UHFFFAOYSA-N 2-ethylhexoxy phenoxy hydrogen phosphate Chemical compound CCCCC(CC)COOP(O)(=O)OOC1=CC=CC=C1 ANKCEAUHZUFETE-UHFFFAOYSA-N 0.000 description 1
- LJKDOMVGKKPJBH-UHFFFAOYSA-N 2-ethylhexyl dihydrogen phosphate Chemical compound CCCCC(CC)COP(O)(O)=O LJKDOMVGKKPJBH-UHFFFAOYSA-N 0.000 description 1
- NNOMERXMDAMGSV-UHFFFAOYSA-N 2-ethylhexyl(2-ethylhexylperoxy)phosphinic acid Chemical class CCCCC(CC)COOP(O)(=O)CC(CC)CCCC NNOMERXMDAMGSV-UHFFFAOYSA-N 0.000 description 1
- ZPZTZKPTKTWRMZ-UHFFFAOYSA-N 3-phenoxypropoxy dihydrogen phosphate Chemical compound OP(O)(=O)OOCCCOC1=CC=CC=C1 ZPZTZKPTKTWRMZ-UHFFFAOYSA-N 0.000 description 1
- 229920002955 Art silk Polymers 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 240000006064 Urena lobata Species 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- YLCRZYQEGNABPI-UHFFFAOYSA-N [2-(2-ethylhexoxy)phenyl]phosphonic acid Chemical compound CCCCC(CC)COC1=CC=CC=C1P(O)(O)=O YLCRZYQEGNABPI-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- FXDLOTSZIUWGHR-UHFFFAOYSA-N bis(2-ethylhexoxy) hydrogen phosphate Chemical compound CCCCC(CC)COOP(O)(=O)OOCC(CC)CCCC FXDLOTSZIUWGHR-UHFFFAOYSA-N 0.000 description 1
- KZIUWSQALWALJH-UHFFFAOYSA-N bis(2-ethylhexyl)phosphinic acid Chemical compound CCCCC(CC)CP(O)(=O)CC(CC)CCCC KZIUWSQALWALJH-UHFFFAOYSA-N 0.000 description 1
- CCXIFVWCVYSSFP-UHFFFAOYSA-N bis(3,5,5-trimethylhexoxy) hydrogen phosphate Chemical compound CC(C)(C)CC(C)CCOOP(O)(=O)OOCCC(C)CC(C)(C)C CCXIFVWCVYSSFP-UHFFFAOYSA-N 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- MHELOMIKIFADAE-UHFFFAOYSA-N cyclohexyl(phenyl)phosphinic acid Chemical compound C=1C=CC=CC=1P(=O)(O)C1CCCCC1 MHELOMIKIFADAE-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- QWVCIEAOYNXKCK-UHFFFAOYSA-N dicyclohexyloxy hydrogen phosphate Chemical compound C1CCCCC1OOP(=O)(O)OOC1CCCCC1 QWVCIEAOYNXKCK-UHFFFAOYSA-N 0.000 description 1
- NPEWVJINTXPNRF-UHFFFAOYSA-N dicyclohexylphosphinic acid Chemical compound C1CCCCC1P(=O)(O)C1CCCCC1 NPEWVJINTXPNRF-UHFFFAOYSA-N 0.000 description 1
- HTDKEJXHILZNPP-UHFFFAOYSA-N dioctyl hydrogen phosphate Chemical compound CCCCCCCCOP(O)(=O)OCCCCCCCC HTDKEJXHILZNPP-UHFFFAOYSA-N 0.000 description 1
- YTMRJBAHYSIRMZ-UHFFFAOYSA-N dioctylphosphinic acid Chemical compound CCCCCCCCP(O)(=O)CCCCCCCC YTMRJBAHYSIRMZ-UHFFFAOYSA-N 0.000 description 1
- QSOVYDGACGWFFJ-UHFFFAOYSA-N diphenoxy hydrogen phosphate Chemical compound C=1C=CC=CC=1OOP(=O)(O)OOC1=CC=CC=C1 QSOVYDGACGWFFJ-UHFFFAOYSA-N 0.000 description 1
- BEQVQKJCLJBTKZ-UHFFFAOYSA-N diphenylphosphinic acid Chemical compound C=1C=CC=CC=1P(=O)(O)C1=CC=CC=C1 BEQVQKJCLJBTKZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- FVZVCSNXTFCBQU-UHFFFAOYSA-N phosphanyl Chemical group [PH2] FVZVCSNXTFCBQU-UHFFFAOYSA-N 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
- 235000009529 zinc sulphate Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- 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
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
-
- 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
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
-
- 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
- C22B3/262—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds using alcohols or phenols
-
- 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
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3842—Phosphinic acid, e.g. H2P(O)(OH)
-
- 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
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3844—Phosphonic acid, e.g. H2P(O)(OH)2
-
- 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
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
-
- 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
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- 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)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Extraction Or Liquid Replacement (AREA)
- Physical Water Treatments (AREA)
- Compounds Of Unknown Constitution (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7314841A SE375328B (cg-RX-API-DMAC7.html) | 1973-10-31 | 1973-10-31 | |
| SE7401085 | 1974-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2449279A1 true DE2449279A1 (de) | 1975-05-07 |
Family
ID=26656415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742449279 Pending DE2449279A1 (de) | 1973-10-31 | 1974-10-16 | Verfahren zur entfernung von zink aus waessrigen loesungen |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5074567A (cg-RX-API-DMAC7.html) |
| DD (1) | DD116212A1 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2449279A1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES431306A1 (cg-RX-API-DMAC7.html) |
| FI (1) | FI313774A7 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2249838B1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1486322A (cg-RX-API-DMAC7.html) |
| IT (1) | IT1032103B (cg-RX-API-DMAC7.html) |
| NL (1) | NL7414188A (cg-RX-API-DMAC7.html) |
| NO (1) | NO743908L (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0385968A3 (de) * | 1989-02-24 | 1990-09-26 | Prior Engineering Ag | Verfahren zum Abtrennen und Rückgewinnen von gelösten, fällbaren Metallen, insbesondere Schwermetallen, aus wässerigen Lösungen |
| DE4204892A1 (de) * | 1992-02-19 | 1993-08-26 | Wiegel Verwaltung Gmbh & Co | Verfahren zur trennung von eisen- und zinksalze enthaltende salzsauerer beizloesung |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4053552A (en) * | 1976-03-15 | 1977-10-11 | General Mills Chemicals Co. | Solvent extraction of zinc from sulfite-bisulfite solution |
| LU81601A1 (fr) * | 1979-08-13 | 1981-03-24 | Metallurgie Hoboken | Procede pour separer le fer trivalent d'une solution aqueuse de chlorures |
| US4956154A (en) * | 1988-03-09 | 1990-09-11 | Unc Reclamation | Selective removal of chromium, nickel, cobalt, copper and lead cations from aqueous effluent solutions |
-
1974
- 1974-10-16 DE DE19742449279 patent/DE2449279A1/de active Pending
- 1974-10-18 FR FR7435118A patent/FR2249838B1/fr not_active Expired
- 1974-10-21 IT IT5364274A patent/IT1032103B/it active
- 1974-10-24 ES ES431306A patent/ES431306A1/es not_active Expired
- 1974-10-25 FI FI3137/74A patent/FI313774A7/fi unknown
- 1974-10-28 JP JP12349374A patent/JPS5074567A/ja active Pending
- 1974-10-29 DD DD18199874A patent/DD116212A1/xx unknown
- 1974-10-30 GB GB47035/74A patent/GB1486322A/en not_active Expired
- 1974-10-30 NO NO743908A patent/NO743908L/no unknown
- 1974-10-30 NL NL7414188A patent/NL7414188A/xx not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0385968A3 (de) * | 1989-02-24 | 1990-09-26 | Prior Engineering Ag | Verfahren zum Abtrennen und Rückgewinnen von gelösten, fällbaren Metallen, insbesondere Schwermetallen, aus wässerigen Lösungen |
| DE4204892A1 (de) * | 1992-02-19 | 1993-08-26 | Wiegel Verwaltung Gmbh & Co | Verfahren zur trennung von eisen- und zinksalze enthaltende salzsauerer beizloesung |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2249838B1 (cg-RX-API-DMAC7.html) | 1978-06-09 |
| NL7414188A (nl) | 1975-05-02 |
| JPS5074567A (cg-RX-API-DMAC7.html) | 1975-06-19 |
| ES431306A1 (es) | 1976-11-16 |
| NO743908L (cg-RX-API-DMAC7.html) | 1975-05-26 |
| DD116212A1 (cg-RX-API-DMAC7.html) | 1975-11-12 |
| FR2249838A1 (cg-RX-API-DMAC7.html) | 1975-05-30 |
| IT1032103B (it) | 1979-05-30 |
| FI313774A7 (cg-RX-API-DMAC7.html) | 1975-05-01 |
| GB1486322A (en) | 1977-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |