GB2184108A - Gallium production - Google Patents
Gallium production Download PDFInfo
- Publication number
- GB2184108A GB2184108A GB8629961A GB8629961A GB2184108A GB 2184108 A GB2184108 A GB 2184108A GB 8629961 A GB8629961 A GB 8629961A GB 8629961 A GB8629961 A GB 8629961A GB 2184108 A GB2184108 A GB 2184108A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gallium
- dust
- organic phase
- solution
- aqueous
- 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
Links
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052733 gallium Inorganic materials 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000000243 solution Substances 0.000 claims abstract description 44
- 239000000428 dust Substances 0.000 claims abstract description 28
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000012074 organic phase Substances 0.000 claims abstract description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 20
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004411 aluminium Substances 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- UPWPDUACHOATKO-UHFFFAOYSA-K gallium trichloride Chemical compound Cl[Ga](Cl)Cl UPWPDUACHOATKO-UHFFFAOYSA-K 0.000 claims abstract description 10
- 238000002386 leaching Methods 0.000 claims abstract description 7
- 239000012670 alkaline solution Substances 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 4
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- -1 hydroxide ions Chemical class 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 23
- 229910052742 iron Inorganic materials 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 238000000622 liquid--liquid extraction Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-OUBTZVSYSA-N water-17o Chemical compound [17OH2] XLYOFNOQVPJJNP-OUBTZVSYSA-N 0.000 description 1
Classifications
-
- 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
- C22B58/00—Obtaining gallium or indium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G15/00—Compounds of gallium, indium or thallium
- C01G15/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- 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
- 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
- C22B7/02—Working-up flue dust
-
- 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)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A method of producing gallium from gallium-containing dust (e.g. dust which is recovered from gas collecting systems in plants for the electrolytic production of aluminium) comprises leaching the dust in an aqueous hydrochloric acid solution (e.g. at a temperature between 50 DEG and 120 DEG C) whereby gallium is leached as gallium chloride. Gallium chloride is thereafter selectively extracted from the leach solution by an organic phase consisting of substantially undiluted tri-n-butyl-phosphate, whereafter gallium is stripped from the organic phase by water or an alkaline solution e.g. of NaOH with a concentration of 0.1 to 3 M, preferably 1-2 M.
Description
SPECIFICATION
Gallium production
The present invention relates to a method for producing gallium, e.g. from a dust recovered in gas collecting systems in plants for electrolytic production of aluminium from a mixture of bauxite and cryolite.
The main constituents of this dust are carbon and oxides of aluminium, sodium and iron. The dust normally contains about 0.2 to about 0.5 % by weight of gallium.
It is known to recover gallium from the above-identified dust by mixing the dust with an excess of a carbonate of an alkali metal or a hydroxide of an alkali metal, treating this mixture at elevated temperature in an oxidizing atmosphere, whereafter the treated product is leached in an aqueous solution to dissolve gallium. Thereafter gallium is extracted from the leach solution for example by liquid-liquid extraction. The gallium recover is, however, low and normally below 70%.
It is further known that clay (aluminium silicate) containing small amounts of gallium can be treated with hydrochloric acid in order to leach the gallium and that gallium can be extracted from the pregnant leach solution by liquid-liquid extraction using an amine-compound as extractant. Gallium is then stripped from the organic phase by a strip solution containing hydrochloric acid, whereby a GACI3 solution is obtained. The aluminium silicate material is, however, very different from dust recovered in gas collecting systems in plants for electrolytic production of aluminium.
Finally, it is known that gallium can be extracted from discarded solutions from germanium production by using diluted tri-n-butyl-phosphate (TBP) as an organic extractant. These kind of solutions are mixtures of sulphuric acid and hydrochloric acid and it is necessary to use an organic extractant comprising 10% TBP dissolved in an aliphatic thinner in order to obtain selective extraction of gallium. This implies that great amounts of organic solution have to be used.
It is an object of the present invention to provide a simple and low cost method for producing gallium wherein high purity gallium can be recovered from dust such as may be recovered from gas collecting systems in plants for electrolytic production of aluminium.
According to the present invention, there is provided a method of extracting gallium from gallium-containing dust, in which the dust is treated with an aqueous hydrochloric acid solution whereby the gallium is dissolved as gallium chloride to form an aqueous leach solution, whereafter gallium chloride is extracted from the aqueous leach solution by an organic phase consisting of substantially undiluted tri-n-butyl-phosphate and the gallium is stripped from the organic phase by water or an aqueous alkaline solution.
The aqueous alkali solution preferably contains an alkali metal hydroxide such as sodium hydroxide. The concentration of hydroxide ions (and therefore in the preferred case the concentration of sodium hydroxide) may range from 0.1 to 3 M and preferably from 1 to 2 M.
Accordingly, the present invention encompasses a method for selective extraction of gallium from dust collected in gas collecting systems in plants for electrolytic production of aluminium, wherein the dust is leached by an aqueous solution containing hydrochloric acid of a temperature of 50-120 C whereby gallium is leached as gallium chloride, whereafter gallium chloride is selectively extracted from the pregnant leach solution by means of an organic phase consisting of undiluted tri-n-butyl-phosphate and that gallium is stripped from the organic phase by means of water or a solution of NaOH wherein the concentration of NaOH is from 0.1 to 3 M, preferably 1 to 2 M.
The dust is preferably leached by a hydrochloric acid solution with an acidity of 3 to 8 M and at a temperature of 95 to 105do. According to a preferred embodiment of the present invention any ferric iron which is dissolved together with gallium, is reduced to ferrous iron by addition of a reducing agent, preferably iron powder, before the pregnant leach solution is contacted by the organic extraction phase.
According to another embodiment of the present invention, the dust is treated in an oxidizing atmosphere at a temperature of 500-1000"C before the leaching step. By this treatment carbon, fluorides and tar are removed from the dust, whereby the weight of the dust is reduced by about 50%.
By the method according to the present invention a high leaching yield of gallium of above 80% is achieved and gallium is selectively extracted by means of substantially undiluted TBP.
Use of undiluted TBP gives a substantial reduction of the volume of the organic extraction phase compared to the known method wherein an organic phase comprising 10% TBP diluted in an aliphatic thinner is used.
The present invention will now be further described in connection with the following examples.
Example I
200 g dust collected from a gas collecting system in a plant for electrolytic production of aluminium was leached by 1000 ml 6M hydrochloric acid solution. The leaching temperature was 100"C.
The chemical analysis of the dust was as follows:
Carbon 33 % by weight
Fluorine 17 % by weight
Oxygen 17 % by weight
Aluminium 13 % by weight
Sodium 9 % by weight
Iron 6 % by weight
Sulphur 3 % by weight
Calcium 1.6 % .by weight
Gallium 0.47 % by weight
The chemical analysis of the pregnant leach solution was as follows:
Gallium 0.8 g/l
Iron 13.4 g/l
Aluminium 25.0 g/l
Sodium 17.4 g/l
Fluorine 29.4 g/l
Chlorine 212 g/l
The leaching yield for gallium was thus 85%.
Iron powder was added to the pregnant leach solution in order to reduce ferric iron to ferrous iron. The content of iron in the leach solution was thereby increased to 18.4 g/l.
Thereafter the pregnant leach solution was contacted by undiluted tri-n-butyl-phosphate at a volume ratio of aqueous phase to organic phase of 5/1 whereby gallium was extracted to the organic phase. The content of gallium in the leach solution was thereby reduced from 0.8 g/l to less than 0.02 g/l. This means that more than 97.5 % of gallium in the leach solution was extracted by contact with the undiluted TBP.
Gallium was then stripped from the organic phase by contacting the organic phase by water with pH 7 in two steps. The volume ratio water/organic was 1:1. The resultant aqueous solution containing gallium was thereafter again contacted by TBP with a volume ratio water/organic of 5/1. Gallium was thereafter stripped by contacting the organic phase with water in the same way as described above.
The final strip solution has the following analysis:
Gallium 5 g/l
Iron < 0.05 g/l
Aluminium < 0.05 g/l
Sodium 0.054 g/l
Fluorine 0.026 g/l
While the ratio of Ga/Fe in the pregnant leach solution was 0.06, the ratio of Ga/Fe in the final strip solution was greater than 100.
Example 2
In a pilot plant for continuous production of gallium from dust recovered from a gas collecting system in plants for electrolytic production of aluminium, 12 kg of dust was leached per hour in 30 lit/hour of 6M HCI. The leaching temperature was kept at 100"C.
The pregnant leach solution has the following average analysis:
Gallium 1.1 girl Aluminium 35 g/l
Iron 20 g/l
Sodium 25 g/l
Fluorine 50 g/l
Chlorine 212 g/I
Ferric iron in the pregnant leach solution was reduced to ferrous iron by addition of elemental iron. The average iron content in the leach solution thereby increased to 40 g/l.
The pregnant leach solution was thereafter contacted by undiluted tri-n-butyl-phosphate in a mixer/settling apparatus. The volume ratio of leach solution to TBP was regulated to 5/1.
Gallium was thereby extracted to the organic phase. The content of gallium in the leach solution was thereby reduced to below 0.02 g/l. This means that more than 98.1 % of the gallium content was extracted into the organic phase. 1/4 of the organic phase was continuously bleeded out for stripping of the gallium content.
The organic phase was returned to the extraction step after stripping.
Gallium was stripped from the organic phase by contacting the organic phase with water in a volume ratio organic phase/water of 1:1.
After having operated the pilot plant until equilibrium was reached the average content of the strip solution was:
Gallium 15 g/l
Iron 0.05 g/l
Aluminium 0.003 g/l
Fluorine 0.25 g/l
Chlorine 40 g/l
While the ratio of Ga/Fe in the pregnant leach solution was 0.06 the same ratio in the strip solution was 300. This shows that by the method of the present invention a very selective extraction of gallium is obtained.
Claims (14)
1. A method of extracting gallium from gallium-containing dust, in which the dust is treated with an aqueous hydrochloric acid solution whereby the gallium is dissolved as gallium chloride to form an aqueous leach solution, whereafter gallium chloride is extracted from the aqueous leach solution by an organic phase consisting of substantially undiluted tri-n-butyl-phosphate and the gallium is stripped from the organic phase by water or an aqueous alkaline solution.
2. A method according to claim 1, wherein the aqueous alkaline solution contains an alkali metal hydroxide.
3. A method according to claim 2, wherein the alkali metal is sodium.
4. A method according to claim 1, 2 or 3, wherein the concentration of hydroxide ions is from 0.1 to 3 M.
5. A method according to claim 1, 2 or 3, wherein the concentration of hydroxide ions is from 1 to 2 M.
6. A method according to any one of claims 1 to 5, wherein the dust is treated with an aqueous hydrochloric acid solution with an acidity of 3-8 M.
7rf A method according to any one of claims 1 to 6, wherein temperature of the treatment with aqueous hydrochloric acid is kept between 50 and 120"C.
8. A method according to any one of claims 1 to 6, wherein the temperature of the treatment with aqueous hydrochloric acid is kept between 95 and 105"C.
9. A method according to any one of claims 1 to 8, wherein ferric iron in the aqueous leach solution is reduced to ferrous iron by addition of a reducing agent before the pregnant leach solution is contacted by the organic phase.
10. A method according to any one of claims 1 to 9, wherein the dust is treated in an oxidizing atmosphere at a temperature between 500 and 1000"C before the leaching step.
11. A method for selective extraction of gallium from dust recovered from gas collecting systems in plants for electrolytic production of aluminium, wherein the dust is leached in an aqueous hydrochloric acid solution whereby gallium is dissolved as gallium chloride, whereafter gallium chloride is selectively extracted from the pregnant leach solution by an organic phase consisting of undiluted tri-n-butyl-phosphate and that gallium is stripped from the organic phase by water or an alkaline solution of NaOH with a concentration of NaOH between 0.1 and 3 M.
12. A method according to claim 11, wherein the NaOH concentration is between 0.1 and 3
M.
13. A method of extracting gallium substantially as herein described with reference to any one of the examples.
14. Gallium whene.ver extracted by a method according to any one of claims 1 to 13.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO854797A NO158028C (en) | 1985-12-16 | 1985-12-16 | GALLIUM EXTRACTION. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8629961D0 GB8629961D0 (en) | 1987-01-28 |
| GB2184108A true GB2184108A (en) | 1987-06-17 |
| GB2184108B GB2184108B (en) | 1989-10-18 |
Family
ID=19888611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8629961A Expired GB2184108B (en) | 1985-12-16 | 1986-12-16 | Gallium production |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS62156238A (en) |
| AU (1) | AU572412B2 (en) |
| BR (1) | BR8606230A (en) |
| CA (1) | CA1309869C (en) |
| DE (1) | DE3640381A1 (en) |
| ES (1) | ES2002227A6 (en) |
| FR (1) | FR2591582B1 (en) |
| GB (1) | GB2184108B (en) |
| NL (1) | NL8602997A (en) |
| NO (1) | NO158028C (en) |
| NZ (1) | NZ218419A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0318383A1 (en) * | 1987-11-24 | 1989-05-31 | Metaleurop S.A. | Hydrometallurgical treatment of gallium-containing solutions |
| RU2232199C2 (en) * | 2001-11-13 | 2004-07-10 | Общество с ограниченной ответственностью "ВИКОР" | Method for extracting of gallium from sludge in aluminum production |
| RU2237740C1 (en) * | 2003-02-07 | 2004-10-10 | Открытое акционерное общество "Всероссийский алюминиево-магниевый институт" | Method of recovering gallium from solid gallium-containing materials |
| RU2319757C2 (en) * | 2005-10-28 | 2008-03-20 | Открытое акционерное общество "РУСАЛ ВСЕРОССИЙСКИЙ АЛЮМИНИЕВО-МАГНИЕВЫЙ ИНСТИТУТ "(ОАО "РУСАЛ ВАМИ") | Gallium extraction method from waste products of process for electrolytic refining of aluminum |
| CN100396804C (en) * | 2005-12-09 | 2008-06-25 | 韶关市华韦实业有限公司 | Technology for extracting Gallium metal from lead-zine tail ore slug smelting by extracting-electrolytic method |
| RU2340402C1 (en) * | 2007-04-02 | 2008-12-10 | Государственное образовательное учреждение высшего профессионального образования Читинский государственный университет (ЧитГУ) | Production line for extraction of rare and rare-earth elements from fly ash of thermal power plants |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276407B (en) * | 2013-05-13 | 2016-12-28 | 攀枝花学院 | A kind of from low-grade containing gallium, ferrum raw material reclaim gallium and the method for ferrum |
| CN113667839B (en) * | 2021-08-20 | 2022-06-28 | 安徽工业大学 | Method for recovering metal gallium from gallium nitride waste under normal pressure |
| CN115418478B (en) * | 2022-09-05 | 2023-08-01 | 山西大学 | A method for synergistically extracting aluminum-iron-lithium-gallium from high-alumina solid waste acidic system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB991613A (en) * | 1960-11-28 | 1965-05-12 | Asahi Chemical Ind | Process for the recovery of gallium |
| EP0021990A1 (en) * | 1979-07-03 | 1981-01-07 | Rhone-Poulenc Specialites Chimiques | Process for treating mixtures of rare earth oxides and gallium oxides |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2848398A (en) * | 1955-05-11 | 1958-08-19 | Zh Sekitan Sogo Kenkyujo | Recovery of gallium compounds from the combustion gases of coal |
| GB991614A (en) * | 1960-08-27 | 1965-05-12 | Asahi Chemical Ind | Process for recovering gallium in the purification of crude alumina |
| DD127573A1 (en) * | 1976-09-06 | 1977-10-05 | ||
| FR2397464A2 (en) * | 1977-07-13 | 1979-02-09 | Rhone Poulenc Ind | PROCESS FOR RECOVERING GALLIUM FROM VERY BASIC SOLUTIONS BY LIQUID / LIQUID EXTRACTION |
| FR2411894A1 (en) * | 1977-12-15 | 1979-07-13 | Rhone Poulenc Ind | GALLIUM EXTRACTION PROCESS |
| FI70693C (en) * | 1980-12-05 | 1986-10-06 | Rhone Poulenc Ind | FOERFARANDE FOER RENING AV EN GALLIUMLOESNING |
| JPS6058170B2 (en) * | 1982-12-17 | 1985-12-18 | 三井アルミニウム工業株式会社 | Method for recovering gallium from dust generated in an aluminum electrolytic furnace |
| JPS60166224A (en) * | 1984-02-03 | 1985-08-29 | Mitsui Alum Kogyo Kk | Method of recovery of gallium from dust of aluminum smelting |
-
1985
- 1985-12-16 NO NO854797A patent/NO158028C/en unknown
-
1986
- 1986-11-24 CA CA 523662 patent/CA1309869C/en not_active Expired - Lifetime
- 1986-11-25 NL NL8602997A patent/NL8602997A/en active Search and Examination
- 1986-11-26 DE DE19863640381 patent/DE3640381A1/en active Granted
- 1986-11-27 NZ NZ21841986A patent/NZ218419A/en unknown
- 1986-11-28 FR FR8616649A patent/FR2591582B1/en not_active Expired
- 1986-12-15 ES ES8603423A patent/ES2002227A6/en not_active Expired
- 1986-12-16 AU AU66588/86A patent/AU572412B2/en not_active Ceased
- 1986-12-16 GB GB8629961A patent/GB2184108B/en not_active Expired
- 1986-12-16 JP JP61297860A patent/JPS62156238A/en active Granted
- 1986-12-16 BR BR8606230A patent/BR8606230A/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB991613A (en) * | 1960-11-28 | 1965-05-12 | Asahi Chemical Ind | Process for the recovery of gallium |
| EP0021990A1 (en) * | 1979-07-03 | 1981-01-07 | Rhone-Poulenc Specialites Chimiques | Process for treating mixtures of rare earth oxides and gallium oxides |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0318383A1 (en) * | 1987-11-24 | 1989-05-31 | Metaleurop S.A. | Hydrometallurgical treatment of gallium-containing solutions |
| WO1989004878A1 (en) * | 1987-11-24 | 1989-06-01 | Metaleurop S.A. | Process for hydrometallurgical treatment of a solution of galliferous substances |
| FR2624524A1 (en) * | 1987-11-24 | 1989-06-16 | Metaleurop Sa | PROCESS FOR HYDROMETALLURGIC TREATMENT OF SOLUTION OF GALLIFEROUS MATERIALS |
| US5122241A (en) * | 1987-11-24 | 1992-06-16 | Metaleurop S.A. | Process for the hydrometallurgical treatment of a solution of materials containing gallium |
| RU2232199C2 (en) * | 2001-11-13 | 2004-07-10 | Общество с ограниченной ответственностью "ВИКОР" | Method for extracting of gallium from sludge in aluminum production |
| RU2237740C1 (en) * | 2003-02-07 | 2004-10-10 | Открытое акционерное общество "Всероссийский алюминиево-магниевый институт" | Method of recovering gallium from solid gallium-containing materials |
| RU2319757C2 (en) * | 2005-10-28 | 2008-03-20 | Открытое акционерное общество "РУСАЛ ВСЕРОССИЙСКИЙ АЛЮМИНИЕВО-МАГНИЕВЫЙ ИНСТИТУТ "(ОАО "РУСАЛ ВАМИ") | Gallium extraction method from waste products of process for electrolytic refining of aluminum |
| CN100396804C (en) * | 2005-12-09 | 2008-06-25 | 韶关市华韦实业有限公司 | Technology for extracting Gallium metal from lead-zine tail ore slug smelting by extracting-electrolytic method |
| RU2340402C1 (en) * | 2007-04-02 | 2008-12-10 | Государственное образовательное учреждение высшего профессионального образования Читинский государственный университет (ЧитГУ) | Production line for extraction of rare and rare-earth elements from fly ash of thermal power plants |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2591582B1 (en) | 1988-07-01 |
| NZ218419A (en) | 1989-04-26 |
| GB8629961D0 (en) | 1987-01-28 |
| GB2184108B (en) | 1989-10-18 |
| CA1309869C (en) | 1992-11-10 |
| ES2002227A6 (en) | 1988-07-16 |
| NL8602997A (en) | 1987-07-16 |
| NO854797L (en) | 1987-06-01 |
| NO158028B (en) | 1988-03-21 |
| BR8606230A (en) | 1987-09-29 |
| FR2591582A1 (en) | 1987-06-19 |
| JPS642654B2 (en) | 1989-01-18 |
| AU6658886A (en) | 1987-06-25 |
| DE3640381A1 (en) | 1987-06-04 |
| AU572412B2 (en) | 1988-05-05 |
| NO158028C (en) | 1988-06-29 |
| JPS62156238A (en) | 1987-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19931216 |