CA1162029A - Method of obtention of alumina from clays and aluminium silicates in general - Google Patents

Method of obtention of alumina from clays and aluminium silicates in general

Info

Publication number: CA1162029A
Authority: CA; Canada
Prior art keywords: alumina; solution; aluminium; sodium; double salt
Prior art date: 1979-07-26
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.): Expired

Application number

CA000356984A

Other languages

English (en)

French (fr)

Inventor

Maria Emilia Garcia Clavel

Maria Jesus Martinez Lope

Maria Teresa Casais Alvarez

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

CLAVEL MARIA E G

Original Assignee

CLAVEL MARIA E G

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.)

1979-07-26

Filing date

1980-07-25

Publication date

1984-02-14

1980-07-25 Application filed by CLAVEL MARIA E G filed Critical CLAVEL MARIA E G

1984-02-14 Application granted granted Critical

1984-02-14 Publication of CA1162029A publication Critical patent/CA1162029A/en

Status Expired legal-status Critical Current

Links

PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 58
238000000034 method Methods 0.000 title claims abstract description 41
235000012211 aluminium silicate Nutrition 0.000 title claims abstract description 25
229910000323 aluminium silicate Inorganic materials 0.000 title abstract description 6
229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
239000005995 Aluminium silicate Substances 0.000 claims abstract description 17
239000003513 alkali Substances 0.000 claims abstract description 16
238000001354 calcination Methods 0.000 claims abstract description 15
150000003839 salts Chemical class 0.000 claims abstract description 12
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 abstract description 9
-1 sulphate Chemical class 0.000 claims abstract description 9
239000004927 clay Substances 0.000 claims abstract description 8
238000010790 dilution Methods 0.000 claims abstract description 3
239000012895 dilution Substances 0.000 claims abstract description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 35
239000000243 solution Substances 0.000 claims description 31
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 22
229910052708 sodium Inorganic materials 0.000 claims description 20
239000011734 sodium Substances 0.000 claims description 19
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
239000000377 silicon dioxide Substances 0.000 claims description 17
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical group O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 14
150000004645 aluminates Chemical class 0.000 claims description 11
239000000203 mixture Substances 0.000 claims description 11
229910052700 potassium Inorganic materials 0.000 claims description 11
238000001556 precipitation Methods 0.000 claims description 11
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 10
CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 claims description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
229910052681 coesite Inorganic materials 0.000 claims description 9
229910052906 cristobalite Inorganic materials 0.000 claims description 9
229910052742 iron Inorganic materials 0.000 claims description 9
239000011591 potassium Substances 0.000 claims description 9
235000012239 silicon dioxide Nutrition 0.000 claims description 9
229910052682 stishovite Inorganic materials 0.000 claims description 9
229910052905 tridymite Inorganic materials 0.000 claims description 9
239000010936 titanium Substances 0.000 claims description 8
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
239000012535 impurity Substances 0.000 claims description 7
229910052719 titanium Inorganic materials 0.000 claims description 7
229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
239000001569 carbon dioxide Substances 0.000 claims description 5
239000000047 product Substances 0.000 claims description 5
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
239000007864 aqueous solution Substances 0.000 claims description 4
239000007795 chemical reaction product Substances 0.000 claims description 4
239000001117 sulphuric acid Substances 0.000 claims description 4
235000011149 sulphuric acid Nutrition 0.000 claims description 4
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
230000001376 precipitating effect Effects 0.000 claims description 3
235000010210 aluminium Nutrition 0.000 claims 3
239000000463 material Substances 0.000 claims 2
239000012452 mother liquor Substances 0.000 claims 2
150000004649 carbonic acid derivatives Chemical class 0.000 claims 1
150000004679 hydroxides Chemical class 0.000 claims 1
229960003975 potassium Drugs 0.000 claims 1
235000007686 potassium Nutrition 0.000 claims 1
JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 claims 1
238000006243 chemical reaction Methods 0.000 abstract description 19
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 17
239000004411 aluminium Substances 0.000 abstract description 16
WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 9
229910021502 aluminium hydroxide Inorganic materials 0.000 abstract description 9
229910021653 sulphate ion Inorganic materials 0.000 abstract description 7
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract description 4
229910019142 PO4 Inorganic materials 0.000 abstract description 2
150000001875 compounds Chemical class 0.000 abstract description 2
229910052751 metal Inorganic materials 0.000 abstract description 2
239000002184 metal Substances 0.000 abstract description 2
FOJJCOHOLNJIHE-UHFFFAOYSA-N aluminum;azane Chemical compound N.[Al+3] FOJJCOHOLNJIHE-UHFFFAOYSA-N 0.000 abstract 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
239000010452 phosphate Substances 0.000 abstract 1
OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 abstract 1
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Substances [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 8
229910001570 bauxite Inorganic materials 0.000 description 7
KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 7
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 6
238000004519 manufacturing process Methods 0.000 description 6
239000002994 raw material Substances 0.000 description 6
239000003153 chemical reaction reagent Substances 0.000 description 5
238000001914 filtration Methods 0.000 description 5
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 4
238000001704 evaporation Methods 0.000 description 4
230000008020 evaporation Effects 0.000 description 4
239000002609 medium Substances 0.000 description 4
230000007928 solubilization Effects 0.000 description 4
238000005063 solubilization Methods 0.000 description 4
239000002904 solvent Substances 0.000 description 4
229910001569 aluminium mineral Inorganic materials 0.000 description 3
229910000019 calcium carbonate Inorganic materials 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
150000002500 ions Chemical class 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
235000011127 sodium aluminium sulphate Nutrition 0.000 description 3
229910000029 sodium carbonate Inorganic materials 0.000 description 3
239000007787 solid Substances 0.000 description 3
150000003467 sulfuric acid derivatives Chemical class 0.000 description 3
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
ZXRRHFSTAFVGOC-UHFFFAOYSA-N [AlH3].[K] Chemical compound [AlH3].[K] ZXRRHFSTAFVGOC-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
239000013078 crystal Substances 0.000 description 2
238000005868 electrolysis reaction Methods 0.000 description 2
238000000227 grinding Methods 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
238000009434 installation Methods 0.000 description 2
239000011707 mineral Substances 0.000 description 2
239000002245 particle Substances 0.000 description 2
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 2
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
239000002244 precipitate Substances 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
239000008247 solid mixture Substances 0.000 description 2
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
239000012670 alkaline solution Substances 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
239000012736 aqueous medium Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000004568 cement Substances 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
ZLCCLBKPLLUIJC-UHFFFAOYSA-L disodium tetrasulfane-1,4-diide Chemical compound [Na+].[Na+].[S-]SS[S-] ZLCCLBKPLLUIJC-UHFFFAOYSA-L 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000003337 fertilizer Substances 0.000 description 1
ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
229910001679 gibbsite Inorganic materials 0.000 description 1
239000008240 homogeneous mixture Substances 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
239000004571 lime Substances 0.000 description 1
238000005065 mining Methods 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
OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical class [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
239000001120 potassium sulphate Substances 0.000 description 1
235000011151 potassium sulphates Nutrition 0.000 description 1
KVOIJEARBNBHHP-UHFFFAOYSA-N potassium;oxido(oxo)alumane Chemical compound [K+].[O-][Al]=O KVOIJEARBNBHHP-UHFFFAOYSA-N 0.000 description 1
230000000063 preceeding effect Effects 0.000 description 1
GPTFURBXHJWNHR-UHFFFAOYSA-N protopine Chemical compound C1=C2C(=O)CC3=CC=C4OCOC4=C3CN(C)CCC2=CC2=C1OCO2 GPTFURBXHJWNHR-UHFFFAOYSA-N 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
239000004576 sand Substances 0.000 description 1
WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
239000012265 solid product Substances 0.000 description 1
239000007858 starting material 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
230000009466 transformation Effects 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)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Silicates, Zeolites, And Molecular Sieves (AREA)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

CA000356984A 1979-07-26 1980-07-25 Method of obtention of alumina from clays and aluminium silicates in general Expired CA1162029A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ES482,881		1979-07-26
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
CA1162029A true CA1162029A (en)	1984-02-14

Family

ID=8478726

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000356984A Expired CA1162029A (en)	1979-07-26	1980-07-25	Method of obtention of alumina from clays and aluminium silicates in general

Country Status (10)

Country	Link
US (1)	US4342729A (2)
EP (1)	EP0024131B1 (2)
AR (1)	AR223887A1 (2)
AT (1)	ATE6764T1 (2)
CA (1)	CA1162029A (2)
DE (1)	DE3067132D1 (2)
DK (1)	DK323180A (2)
ES (1)	ES482881A1 (2)
IN (1)	IN154402B (2)
NO (1)	NO802257L (2)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4477422A (en) *	1981-12-04	1984-10-16	Ginn Michael W	Reducing slurry viscosity of kaolinitic clays
GB2121395B (en) *	1981-12-04	1985-06-05	Nord Kaolin Co	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.
US4491514A (en) *	1984-04-16	1985-01-01	Exxon Research & Engineering Co.	Process for beneficiating oil-shale
US4490238A (en) *	1984-04-16	1984-12-25	Exxon Research And 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 (2) *	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 (2) *	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/en not_active Expired
- 1980-07-24 DE DE8080302522T patent/DE3067132D1/de not_active Expired
- 1980-07-24 AT AT80302522T patent/ATE6764T1/de not_active IP Right Cessation
- 1980-07-25 CA CA000356984A patent/CA1162029A/en not_active Expired
- 1980-07-25 AR AR281927A patent/AR223887A1/es active
- 1980-07-25 DK DK323180A patent/DK323180A/da not_active Application Discontinuation
- 1980-07-25 NO NO802257A patent/NO802257L/no unknown

Also Published As

Publication number	Publication date
IN154402B (2)	1984-10-27
DK323180A (da)	1981-01-27
ATE6764T1 (de)	1984-04-15
AR223887A1 (es)	1981-09-30
DE3067132D1 (en)	1984-04-26
ES482881A1 (es)	1980-04-01
EP0024131A1 (en)	1981-02-25
US4342729A (en)	1982-08-03
NO802257L (no)	1981-01-28
EP0024131B1 (en)	1984-03-21

Legal Events

Date	Code	Title	Description
2001-02-14	MKEX	Expiry

Publication	Publication Date	Title
CA1162029A (en)	1984-02-14	Method of obtention of alumina from clays and aluminium silicates in general
US6692710B1 (en)	2004-02-17	Method for obtaining magnesium by leaching a laterite material
US12577115B2 (en)	2026-03-17	Process for producing alumina and a lithium salt
WO2016054683A1 (en)	2016-04-14	Recovery process
MX2011010165A (es)	2011-10-11	Proceso para la produccion simultanea de sulfato de potasio, sulfato de amonio, hidroxido de magnesio y/u oxido de magnesio a partir de una sal mezclada de kainita y amoniaco.
CA1290920C (en)	1991-10-22	Production of useful materials including synthetic nepheline from bayer red mud
US3497459A (en)	1970-02-24	Process for producing water soluble basic salts of aluminum and/or iron
US4668485A (en)	1987-05-26	Recovery of sodium aluminate from Bayer process red mud
US4483830A (en)	1984-11-20	Production of alumina
Padilla et al.	1985	Sodium aluminate leaching and desilication in lime-soda sinter process for alumina from coal wastes
CN109019637A (zh)	2018-12-18	一种利用中低品位氧化锌矿制备花状结构氧化锌的方法
US2398425A (en)	1946-04-16	Process for treating alunite ores and the like
US20220340438A1 (en)	2022-10-27	Selective extraction of lithium from lithium sulfate aqueous solution
US2438488A (en)	1948-03-30	Process of making alumina utilizing kaolin, marl, and related materials
US3966874A (en)	1976-06-29	Extraction of alumina from bauxite ores
US2931703A (en)	1960-04-05	Process for recovery of lithium hydroxide from lithium phosphates
Meher et al.	2011	Recovery of Al and Na Values from Red Mud by BaO‐Na2CO3 Sinter Process
US3032391A (en)	1962-05-01	Production of calcium borates
US4016238A (en)	1977-04-05	Process for the obtention of alumina and phosphate values by the alkaline decomposition of silica-containing aluminum phosphate ores
US2705185A (en)	1955-03-29	Process for the manufacture of magnesium chloride
US2903338A (en)	1959-09-08	Process for preparing calcium aluminate and alumina from phosphate-containing ores
US1845876A (en)	1932-02-16	Process for the production of alumina and alkali phosphates
US3493331A (en)	1970-02-03	Production of cryolite material
CN113213499B (zh)	2024-01-26	一种利用粉煤灰联产水玻璃、托贝莫来石、勃姆石和碳酸钙的方法
Gamidov et al.	2023	Development of ammonia-alkaline method of complex processing of alunite ore