NO802257L - Fremgangsmaate ved fremstilling av aluminiumoxyd - Google Patents

Fremgangsmaate ved fremstilling av aluminiumoxyd

Info

Publication number: NO802257L
Authority: NO; Norway
Prior art keywords: aluminum; aluminum oxide; alkali; sodium; reagent
Prior art date: 1979-07-27

Application number

NO802257A

Other languages

English (en)

Norwegian (no)

Inventor

Maria Emilia Garvia Clavel

Maria Jesus Martinez Lope

Maria Teresa Casais Alvarez

Original Assignee

Clavel Maria E G

Maria Jesus Martinez Lope

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.)

1979-07-27

Filing date

1980-07-25

Publication date

1981-01-28

1980-07-25 Application filed by Clavel Maria E G, Maria Jesus Martinez Lope filed Critical Clavel Maria E G

1981-01-28 Publication of NO802257L publication Critical patent/NO802257L/no

Links

229910052782 aluminium Inorganic materials 0.000 title claims description 21
238000000034 method Methods 0.000 title claims description 20
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 19
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 31
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
238000006243 chemical reaction Methods 0.000 claims description 18
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 16
238000004519 manufacturing process Methods 0.000 claims description 16
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 15
235000012211 aluminium silicate Nutrition 0.000 claims description 15
239000005995 Aluminium silicate Substances 0.000 claims description 14
239000003513 alkali Substances 0.000 claims description 12
WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 10
238000001354 calcination Methods 0.000 claims description 10
239000011734 sodium Substances 0.000 claims description 10
-1 aluminum silicates Chemical class 0.000 claims description 9
239000003153 chemical reaction reagent Substances 0.000 claims description 9
239000004927 clay Substances 0.000 claims description 9
239000000377 silicon dioxide Substances 0.000 claims description 9
235000012239 silicon dioxide Nutrition 0.000 claims description 9
229910052708 sodium Inorganic materials 0.000 claims description 9
150000004645 aluminates Chemical class 0.000 claims description 8
CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 claims description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 5
239000000047 product Substances 0.000 claims description 5
150000003839 salts Chemical class 0.000 claims description 5
229910021653 sulphate ion Inorganic materials 0.000 claims description 4
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 claims description 3
229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
229910019142 PO4 Inorganic materials 0.000 claims description 2
239000004568 cement Substances 0.000 claims description 2
150000001875 compounds Chemical class 0.000 claims description 2
238000010790 dilution Methods 0.000 claims description 2
239000012895 dilution Substances 0.000 claims description 2
229910052751 metal Inorganic materials 0.000 claims description 2
239000002184 metal Substances 0.000 claims description 2
239000002244 precipitate Substances 0.000 claims description 2
FOJJCOHOLNJIHE-UHFFFAOYSA-N aluminum;azane Chemical compound N.[Al+3] FOJJCOHOLNJIHE-UHFFFAOYSA-N 0.000 claims 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
239000010452 phosphate Substances 0.000 claims 1
OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims 1
DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 claims 1
239000000243 solution Substances 0.000 description 18
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
239000000203 mixture Substances 0.000 description 7
KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 7
238000001556 precipitation Methods 0.000 description 7
239000002994 raw material Substances 0.000 description 7
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
229910001570 bauxite Inorganic materials 0.000 description 6
MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 5
229910052742 iron Inorganic materials 0.000 description 5
HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Substances [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
239000002904 solvent Substances 0.000 description 5
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
239000001569 carbon dioxide Substances 0.000 description 4
229910002092 carbon dioxide Inorganic materials 0.000 description 4
238000001914 filtration Methods 0.000 description 4
GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 description 4
PMZURENOXWZQFD-UHFFFAOYSA-L sodium sulphate Substances [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
239000007787 solid Substances 0.000 description 4
230000007928 solubilization Effects 0.000 description 4
238000005063 solubilization Methods 0.000 description 4
239000010936 titanium Substances 0.000 description 4
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
239000013078 crystal Substances 0.000 description 3
238000001704 evaporation Methods 0.000 description 3
230000008020 evaporation Effects 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
239000012535 impurity Substances 0.000 description 3
229910052500 inorganic mineral Inorganic materials 0.000 description 3
239000011707 mineral Substances 0.000 description 3
229910052700 potassium Inorganic materials 0.000 description 3
OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 3
239000001120 potassium sulphate Substances 0.000 description 3
235000011151 potassium sulphates Nutrition 0.000 description 3
GJPYYNMJTJNYTO-UHFFFAOYSA-J sodium aluminium sulfate Chemical compound [Na+].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GJPYYNMJTJNYTO-UHFFFAOYSA-J 0.000 description 3
229910052719 titanium Inorganic materials 0.000 description 3
230000007306 turnover Effects 0.000 description 3
235000008733 Citrus aurantifolia Nutrition 0.000 description 2
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
235000011941 Tilia x europaea Nutrition 0.000 description 2
239000004411 aluminium Substances 0.000 description 2
239000012736 aqueous medium Substances 0.000 description 2
150000004649 carbonic acid derivatives Chemical class 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
238000005868 electrolysis reaction Methods 0.000 description 2
238000000605 extraction Methods 0.000 description 2
238000000227 grinding Methods 0.000 description 2
230000008676 import Effects 0.000 description 2
239000004571 lime Substances 0.000 description 2
239000002609 medium Substances 0.000 description 2
239000002245 particle Substances 0.000 description 2
239000011591 potassium Substances 0.000 description 2
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
229910001414 potassium ion Inorganic materials 0.000 description 2
229910052939 potassium sulfate Inorganic materials 0.000 description 2
238000000926 separation method Methods 0.000 description 2
239000010703 silicon Substances 0.000 description 2
229910052710 silicon Inorganic materials 0.000 description 2
WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 2
229910001415 sodium ion Inorganic materials 0.000 description 2
229910052938 sodium sulfate Inorganic materials 0.000 description 2
235000011152 sodium sulphate Nutrition 0.000 description 2
239000007858 starting material Substances 0.000 description 2
150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
229910000323 aluminium silicate Inorganic materials 0.000 description 1
235000012501 ammonium carbonate Nutrition 0.000 description 1
239000000908 ammonium hydroxide Substances 0.000 description 1
235000011130 ammonium sulphate Nutrition 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000008240 homogeneous mixture Substances 0.000 description 1
230000036571 hydration Effects 0.000 description 1
238000006703 hydration reaction Methods 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
238000005065 mining Methods 0.000 description 1
BPLYVSYSBPLDOA-GYOJGHLZSA-N n-[(2r,3r)-1,3-dihydroxyoctadecan-2-yl]tetracosanamide Chemical compound CCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@H](CO)[C@H](O)CCCCCCCCCCCCCCC BPLYVSYSBPLDOA-GYOJGHLZSA-N 0.000 description 1
230000020477 pH reduction Effects 0.000 description 1
235000021317 phosphate Nutrition 0.000 description 1
AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
229910000027 potassium carbonate Inorganic materials 0.000 description 1
KVOIJEARBNBHHP-UHFFFAOYSA-N potassium;oxido(oxo)alumane Chemical compound [K+].[O-][Al]=O KVOIJEARBNBHHP-UHFFFAOYSA-N 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
239000004576 sand Substances 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
239000008247 solid mixture Substances 0.000 description 1
150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
- C01F7/26—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with sulfuric acids or sulfates
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/34—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Silicates, Zeolites, And Molecular Sieves (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

NO802257A 1979-07-27 1980-07-25 Fremgangsmaate ved fremstilling av aluminiumoxyd NO802257L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ES482881A ES482881A1 (es)	1979-07-27	1979-07-27	Metodo de obtencion de alumina a partir de arcillas y sili- catos aluminicos en general

Publications (1)

Publication Number	Publication Date
NO802257L true NO802257L (no)	1981-01-28

Family

ID=8478726

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO802257A NO802257L (no)	1979-07-27	1980-07-25	Fremgangsmaate ved fremstilling av aluminiumoxyd

Country Status (10)

Country	Link
US (1)	US4342729A (de)
EP (1)	EP0024131B1 (de)
AR (1)	AR223887A1 (de)
AT (1)	ATE6764T1 (de)
CA (1)	CA1162029A (de)
DE (1)	DE3067132D1 (de)
DK (1)	DK323180A (de)
ES (1)	ES482881A1 (de)
IN (1)	IN154402B (de)
NO (1)	NO802257L (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2121395B (en) *	1981-12-04	1985-06-05	Nord Kaolin Co	Reducing slurry viscosity of kaolinitic clays
US4477422A (en) *	1981-12-04	1984-10-16	Ginn Michael W	Reducing slurry viscosity of kaolinitic clays
ES522398A0 (es) *	1983-05-13	1984-09-01	Consejo Superior Investigacion	Procedimiento continuo de obtencion de compuestos de aluminio a partir de silicatos aluminicos y otros minerales de alu-minio.
US4490238A (en) *	1984-04-16	1984-12-25	Exxon Research And Engineering Co.	Process for beneficiating oil-shale
US4491514A (en) *	1984-04-16	1985-01-01	Exxon Research & Engineering Co.	Process for beneficiating oil-shale
US4576707A (en) *	1984-04-16	1986-03-18	Exxon Research And Engineering Co.	Process for beneficiating coal
US4491513A (en) *	1984-04-16	1985-01-01	Exxon Research & Engineering Co.	Process for beneficiating oil-shale
US4695436A (en) *	1985-01-16	1987-09-22	Toth Aluminum Corporation	Process for manufacturing high purity metal chlorides
AUPO264096A0 (en) *	1996-09-30	1996-10-24	Mclaughlin Geosurveys Pty Ltd.	Value improvement of clays
CN1054108C (zh) *	1997-02-25	2000-07-05	中国科学院化工冶金研究所	从低品位含铝矿石中提取氧化铝的方法
CN1102126C (zh) *	1998-08-07	2003-02-26	张其春	用粘土矿物制备白炭黑的煅烧转化反应工艺
RU2171226C1 (ru) *	1999-12-28	2001-07-27	Общество с ограниченной ответственностью "Геонанотехнология"	Способ получения глинозема
CN100572279C (zh) *	2007-07-12	2009-12-23	中国铝业股份有限公司	一种从粉煤灰中提取氧化铝的方法
CN102515221A (zh) *	2011-12-02	2012-06-27	吉林大学	从粉煤灰或煤矸石中提取氧化铝和非晶态二氧化硅的方法
CN104556168B (zh) *	2014-12-22	2017-04-05	中国神华能源股份有限公司	一种将粉煤灰中氧化铝活化溶出的方法
CN110357116A (zh) *	2018-03-26	2019-10-22	骆曦明	一种钾钠长石除去钾、钠的方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US914187A (en) *	1906-08-07	1909-03-02	Erik Ludvig Rinman	Process of manufacturing aluminum compounds.
US957848A (en) *	1909-05-29	1910-05-10	Philip A Emanuel	Process of making sodium aluminate.
US1160431A (en) *	1912-08-27	1915-11-16	United Aluminum Ingot Company	Process for producing aluminum from clay, kaolin, and other aluminum silicates.
GB139005A (en) *	1919-02-26	1920-02-26	Kennedy Joseph Previte Orton	An improvement in the manufacture of alumina
US1752599A (en) *	1925-06-27	1930-04-01	Kjellgren Bengt Ragnar Fritiof	Method of treating aluminous materials for the production of aluminum sulphate and alumina therefrom
US1675157A (en) *	1926-03-17	1928-06-26	Brown Charles Mccombie	Process for the production of alumina
US1681921A (en) *	1927-01-26	1928-08-28	William G Bjorkstedt	Method of treating aluminum-containing minerals
US2160148A (en) *	1935-04-12	1939-05-30	Hunyady Istvan	Treatment of aluminum ores
US2250186A (en) *	1938-02-02	1941-07-22	Ig Farbenindustrie Ag	Manufacture of cement, alkali metal aluminate, and sulphur dioxide
US2375977A (en) *	1939-12-01	1945-05-15	English Clays Lovering Pochin	Preparation of alumina from clay
US2388983A (en) *	1944-06-03	1945-11-13	Georgia Kaolin Co	Procedure of extracting aluminum hydrate from clay
BE567784A (de) *	1957-05-21
US3594122A (en) *	1969-07-28	1971-07-20	Ethyl C Fornes	Process for extraction of alumina from alumina-containing ore
US3839536A (en) *	1971-07-21	1974-10-01	Mitsubishi Chem Ind	Process for preparing pure hydrated alumina
DD99350A1 (de) *	1972-02-22	1973-08-13
GB1547420A (en) *	1975-09-30	1979-06-20	Financial Mining Ind Ship	Process for the benefication of mineral alunite

1979
- 1979-07-27 ES ES482881A patent/ES482881A1/es not_active Expired
1980
- 1980-07-17 US US06/169,903 patent/US4342729A/en not_active Expired - Lifetime
- 1980-07-18 IN IN528/DEL/80A patent/IN154402B/en unknown
- 1980-07-24 EP EP80302522A patent/EP0024131B1/de not_active Expired
- 1980-07-24 AT AT80302522T patent/ATE6764T1/de not_active IP Right Cessation
- 1980-07-24 DE DE8080302522T patent/DE3067132D1/de not_active Expired
- 1980-07-25 DK DK323180A patent/DK323180A/da not_active Application Discontinuation
- 1980-07-25 AR AR281927A patent/AR223887A1/es active
- 1980-07-25 NO NO802257A patent/NO802257L/no unknown
- 1980-07-25 CA CA000356984A patent/CA1162029A/en not_active Expired

Also Published As

Publication number	Publication date
US4342729A (en)	1982-08-03
AR223887A1 (es)	1981-09-30
EP0024131A1 (de)	1981-02-25
CA1162029A (en)	1984-02-14
ATE6764T1 (de)	1984-04-15
IN154402B (de)	1984-10-27
DK323180A (da)	1981-01-27
DE3067132D1 (en)	1984-04-26
EP0024131B1 (de)	1984-03-21
ES482881A1 (es)	1980-04-01

Publication	Publication Date	Title
NO802257L (no)	1981-01-28	Fremgangsmaate ved fremstilling av aluminiumoxyd
JP6275138B2 (ja)	2018-02-07	リチウム含有材料の処理
US8721999B2 (en)	2014-05-13	Process for simultaneous production of potassium sulphate, ammonium sulfate, magnesium hydroxide and/or magnesium oxide from kainite mixed salt and ammonia
US6143260A (en)	2000-11-07	Method for removing magnesium from brine to yield lithium carbonate
EP1345853A2 (de)	2003-09-24	Herstellung von aluminiunverbindungen und silika aus erzen
RU2749598C1 (ru)	2021-06-15	Способ переработки слюдяного концентрата
US4210626A (en)	1980-07-01	Manufacture of magnesium carbonate and calcium sulphate from brine mud
JP7422776B2 (ja)	2024-01-26	水酸化リチウムの回収
MX2012000137A (es)	2012-06-08	Proceso para produccion de nitrato de potasion de calidad comercial de polihalita.
CZ20011177A3 (cs)	2001-09-12	Způsob čištění síranu amonného
US3484195A (en)	1969-12-16	Selective recovery of salts from mixed salt solutions
WO2005063626A1 (en)	2005-07-14	Process for recovery of sulphate of potash
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