SE426689B - Forfarande for framstellning av ren aluminiumoxid utgaende fran aluminiumoxidmineral innehallande fororeningar - Google Patents

Forfarande for framstellning av ren aluminiumoxid utgaende fran aluminiumoxidmineral innehallande fororeningar

Info

Publication number: SE426689B
Authority: SE; Sweden
Prior art keywords: solution; digestion; hcl; liquid; sulfuric acid
Prior art date: 1977-02-28

Application number

SE7802201A

Other languages

English (en)

Swedish (sv)

Other versions

SE7802201L (sv

Inventor

J Cohen

A Adjemian

Original Assignee

Pechiney Aluminium

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.)

1977-02-28

Filing date

1978-02-27

Publication date

1983-02-07

1978-02-27 Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium

1978-08-29 Publication of SE7802201L publication Critical patent/SE7802201L/xx

1983-02-07 Publication of SE426689B publication Critical patent/SE426689B/sv

Links

238000000034 method Methods 0.000 title claims description 20
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title 2
229910052592 oxide mineral Inorganic materials 0.000 title 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 113
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 88
239000000203 mixture Substances 0.000 claims description 59
239000012535 impurity Substances 0.000 claims description 33
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 32
239000007788 liquid Substances 0.000 claims description 32
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
229910052739 hydrogen Inorganic materials 0.000 claims description 27
239000012452 mother liquor Substances 0.000 claims description 23
OYYAGAJDVFTKCK-UHFFFAOYSA-K sulfuric acid trichloroalumane Chemical compound Cl[Al](Cl)Cl.OS(O)(=O)=O OYYAGAJDVFTKCK-UHFFFAOYSA-K 0.000 claims description 19
239000007789 gas Substances 0.000 claims description 17
229910052500 inorganic mineral Inorganic materials 0.000 claims description 16
239000011707 mineral Substances 0.000 claims description 16
239000000463 material Substances 0.000 claims description 15
DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical class [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 14
230000029087 digestion Effects 0.000 claims description 13
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
238000007872 degassing Methods 0.000 claims description 12
QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 12
229910021653 sulphate ion Inorganic materials 0.000 claims description 12
235000011149 sulphuric acid Nutrition 0.000 claims description 10
230000008929 regeneration Effects 0.000 claims description 8
238000011069 regeneration method Methods 0.000 claims description 8
FZUJWWOKDIGOKH-UHFFFAOYSA-N sulfuric acid hydrochloride Chemical compound Cl.OS(O)(=O)=O FZUJWWOKDIGOKH-UHFFFAOYSA-N 0.000 claims description 8
238000005406 washing Methods 0.000 claims description 8
239000000356 contaminant Substances 0.000 claims description 7
238000004519 manufacturing process Methods 0.000 claims description 7
238000001354 calcination Methods 0.000 claims description 6
238000002156 mixing Methods 0.000 claims description 6
238000004064 recycling Methods 0.000 claims description 5
239000000377 silicon dioxide Substances 0.000 claims description 5
239000000126 substance Substances 0.000 claims description 5
238000005979 thermal decomposition reaction Methods 0.000 claims description 5
238000009833 condensation Methods 0.000 claims description 4
230000005494 condensation Effects 0.000 claims description 4
238000000354 decomposition reaction Methods 0.000 claims description 4
238000006243 chemical reaction Methods 0.000 claims description 2
238000002360 preparation method Methods 0.000 claims 2
229910000323 aluminium silicate Inorganic materials 0.000 claims 1
239000001257 hydrogen Substances 0.000 claims 1
125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
239000000243 solution Substances 0.000 description 126
229910000041 hydrogen chloride Inorganic materials 0.000 description 35
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 35
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 33
150000003467 sulfuric acid derivatives Chemical class 0.000 description 31
238000002386 leaching Methods 0.000 description 30
229910001868 water Inorganic materials 0.000 description 22
239000013078 crystal Substances 0.000 description 21
229910052742 iron Inorganic materials 0.000 description 20
238000000926 separation method Methods 0.000 description 20
229910018072 Al 2 O 3 Inorganic materials 0.000 description 13
239000010936 titanium Substances 0.000 description 12
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 10
229910052719 titanium Inorganic materials 0.000 description 10
229910010413 TiO 2 Inorganic materials 0.000 description 9
229910052782 aluminium Inorganic materials 0.000 description 9
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
238000001704 evaporation Methods 0.000 description 8
230000008020 evaporation Effects 0.000 description 8
239000002002 slurry Substances 0.000 description 8
239000000470 constituent Substances 0.000 description 7
238000001556 precipitation Methods 0.000 description 7
229910052708 sodium Inorganic materials 0.000 description 7
238000005303 weighing Methods 0.000 description 7
239000007791 liquid phase Substances 0.000 description 6
XTHPWXDJESJLNJ-UHFFFAOYSA-N sulfurochloridic acid Chemical compound OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 6
125000004122 cyclic group Chemical group 0.000 description 5
238000010438 heat treatment Methods 0.000 description 5
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
230000007935 neutral effect Effects 0.000 description 5
229910003556 H2 SO4 Inorganic materials 0.000 description 4
238000010521 absorption reaction Methods 0.000 description 4
229910052593 corundum Inorganic materials 0.000 description 4
239000002054 inoculum Substances 0.000 description 4
239000007790 solid phase Substances 0.000 description 4
238000003756 stirring Methods 0.000 description 4
239000000725 suspension Substances 0.000 description 4
229910001845 yogo sapphire Inorganic materials 0.000 description 4
238000009835 boiling Methods 0.000 description 3
229910052681 coesite Inorganic materials 0.000 description 3
229910052906 cristobalite Inorganic materials 0.000 description 3
BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 3
230000008030 elimination Effects 0.000 description 3
238000003379 elimination reaction Methods 0.000 description 3
238000005470 impregnation Methods 0.000 description 3
239000012071 phase Substances 0.000 description 3
239000000047 product Substances 0.000 description 3
239000007787 solid Substances 0.000 description 3
229910052682 stishovite Inorganic materials 0.000 description 3
229910052905 tridymite Inorganic materials 0.000 description 3
239000005995 Aluminium silicate Substances 0.000 description 2
101100348017 Drosophila melanogaster Nazo gene Proteins 0.000 description 2
KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
ILXDAXZQNSOSAE-UHFFFAOYSA-N [AlH3].[Cl] Chemical compound [AlH3].[Cl] ILXDAXZQNSOSAE-UHFFFAOYSA-N 0.000 description 2
239000003929 acidic solution Substances 0.000 description 2
235000012211 aluminium silicate Nutrition 0.000 description 2
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
DZUHNVFSJJSSOM-UHFFFAOYSA-K aluminum chlorosulfate Chemical compound [Al+3].[O-]S(Cl)(=O)=O.[O-]S(Cl)(=O)=O.[O-]S(Cl)(=O)=O DZUHNVFSJJSSOM-UHFFFAOYSA-K 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000000460 chlorine Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000004090 dissolution Methods 0.000 description 2
239000008246 gaseous mixture Substances 0.000 description 2
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
239000002244 precipitate Substances 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
235000015076 Shorea robusta Nutrition 0.000 description 1
244000166071 Shorea robusta Species 0.000 description 1
239000002253 acid Substances 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
JGDITNMASUZKPW-UHFFFAOYSA-K aluminium trichloride hexahydrate Chemical compound O.O.O.O.O.O.Cl[Al](Cl)Cl JGDITNMASUZKPW-UHFFFAOYSA-K 0.000 description 1
229910001579 aluminosilicate mineral Inorganic materials 0.000 description 1
229940063656 aluminum chloride Drugs 0.000 description 1
229940009861 aluminum chloride hexahydrate Drugs 0.000 description 1
VNMBBZJBXKZYIZ-UHFFFAOYSA-K aluminum sulfuric acid trichloride hydrochloride Chemical compound S(O)(O)(=O)=O.Cl.[Cl-].[Al+3].[Cl-].[Cl-] VNMBBZJBXKZYIZ-UHFFFAOYSA-K 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
229910001570 bauxite Inorganic materials 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
229910052801 chlorine Inorganic materials 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000000446 fuel Substances 0.000 description 1
XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
239000004922 lacquer Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000005191 phase separation Methods 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
238000000746 purification Methods 0.000 description 1
239000000376 reactant Substances 0.000 description 1
238000005185 salting out Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000009738 saturating Methods 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
239000010454 slate Substances 0.000 description 1
239000012265 solid product Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
230000001502 supplementing effect Effects 0.000 description 1
OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1
230000004580 weight loss Effects 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
- C01F7/68—Aluminium compounds containing sulfur
- C01F7/74—Sulfates

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)
Manufacture And Refinement Of Metals (AREA)

SE7802201A 1977-02-28 1978-02-27 Forfarande for framstellning av ren aluminiumoxid utgaende fran aluminiumoxidmineral innehallande fororeningar SE426689B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7706531A FR2381718A1 (fr)	1977-02-28	1977-02-28	Procede d'obtention d'alumine pure par attaque acide de minerais alumineux contenant d'autres elements

Publications (2)

Publication Number	Publication Date
SE7802201L SE7802201L (sv)	1978-08-29
SE426689B true SE426689B (sv)	1983-02-07

Family

ID=9187626

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7802201A SE426689B (sv)	1977-02-28	1978-02-27	Forfarande for framstellning av ren aluminiumoxid utgaende fran aluminiumoxidmineral innehallande fororeningar

Country Status (32)

Country	Link
US (1)	US4177242A (fr)
JP (1)	JPS53106696A (fr)
AR (1)	AR218478A1 (fr)
AT (1)	AT374771B (fr)
AU (1)	AU517747B2 (fr)
BE (1)	BE864381A (fr)
BG (1)	BG49607A3 (fr)
BR (1)	BR7801048A (fr)
CA (1)	CA1106138A (fr)
DD (1)	DD134864A5 (fr)
DE (1)	DE2807850C3 (fr)
DK (1)	DK84178A (fr)
EG (1)	EG13180A (fr)
ES (1)	ES467256A1 (fr)
FR (1)	FR2381718A1 (fr)
GB (1)	GB1601882A (fr)
GR (1)	GR62726B (fr)
HU (1)	HU181002B (fr)
IL (1)	IL54102A0 (fr)
IN (1)	IN147940B (fr)
IT (1)	IT1094156B (fr)
LU (1)	LU79140A1 (fr)
MX (1)	MX147882A (fr)
NL (1)	NL7802209A (fr)
NO (1)	NO148994C (fr)
NZ (1)	NZ186574A (fr)
OA (1)	OA05897A (fr)
PH (1)	PH13013A (fr)
PL (1)	PL108463B1 (fr)
SE (1)	SE426689B (fr)
TR (1)	TR19695A (fr)
ZA (1)	ZA781124B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2426018A1 (fr) *	1978-05-18	1979-12-14	Pechiney Aluminium	Procede d'obtention d'alumine pure par attaque chlorhydrique de minerais alumineux et extraction des impuretes par un traitement sulfurique
FR2426019A1 (fr) *	1978-05-18	1979-12-14	Pechiney Aluminium	Procede continu d'obtention d'alumine pure a partir d'une liqueur acide provenant de l'attaque chlorosulfurique d'un minerai alumineux et de purification de la liqueur debarrassee de l'alumine
NO147516C (no) *	1979-02-13	1983-04-27	Elkem Spigerverket As	Fremgangsmaate for utfelling av et rent aluminiumklorid fra loesninger som inneholder aluminium- og magnesiumioner.
NO790460L (no) *	1979-02-13	1980-08-14	Elkem Spigerverket As	Fremstilling av et rent aluminiumoksyd fra loesninger inneholdende opploeste aluminiumioner og jernioner
US4339415A (en) *	1980-12-05	1982-07-13	Allied Corporation	Recovery of soluble alumina values from alumina bearing ores
US6468483B2 (en)	2000-02-04	2002-10-22	Goldendale Aluminum Company	Process for treating alumina-bearing ores to recover metal values therefrom
US6248302B1 (en)	2000-02-04	2001-06-19	Goldendale Aluminum Company	Process for treating red mud to recover metal values therefrom
RU2215690C2 (ru) *	2001-05-07	2003-11-10	Лебедев Валерий Николаевич	Способ переработки нефелинового концентрата
RU2200707C1 (ru) *	2001-07-02	2003-03-20	Специальное конструкторско-технологическое бюро "Наука" Красноярского научного центра СО РАН	Способ получения окиси алюминия из золошлаковых отходов
WO2008141423A1 (fr)	2007-05-21	2008-11-27	Exploration Orbite Vspa Inc.	Procédés d'extraction de l'aluminium et du fer à partir de minerais alumineux
BR112013023907A2 (pt)	2011-03-18	2019-09-24	Orbite Aluminae Inc	processo de recuperação de ao menos um elemento terra-rara a partir de um material contendo alumínio
EP3141621A1 (fr)	2011-05-04	2017-03-15	Orbite Aluminae Inc.	Procédés de récupération de terres rares dans divers minerais
US9150428B2 (en)	2011-06-03	2015-10-06	Orbite Aluminae Inc.	Methods for separating iron ions from aluminum ions
AU2012308068B2 (en)	2011-09-16	2015-02-05	Aem Technologies Inc.	Processes for preparing alumina and various other products
CN104302791B (zh)	2012-01-10	2017-03-15	奥佰特氧化铝有限公司	用于处理赤泥的方法
US9181603B2 (en)	2012-03-29	2015-11-10	Orbite Technologies Inc.	Processes for treating fly ashes
MY175471A (en)	2012-07-12	2020-06-29	Orbite Tech Inc	Processes for preparing titanium oxide and various other products
JP2015535886A (ja)	2012-09-26	2015-12-17	オーバイトアルミナインコーポレイテッドＯｒｂｉｔｅＡｌｕｍｉｎａｅＩｎｃ．	種々の材料のＨＣｌ浸出によるアルミナおよび塩化マグネシウムを調製するためのプロセス
CA2891427C (fr)	2012-11-14	2016-09-20	Orbite Aluminae Inc.	Procede de purification d'ions aluminium

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR574983A (fr) *	1923-11-30	1924-07-22		Procédé de production de sels d'aluminium chimiquement purs
US1734196A (en) *	1927-05-18	1929-11-05	Jr Henry Blumenberg	Process of making aluminum chlorosulphate
US2381477A (en) *	1942-05-21	1945-08-07	Tennessee Valley Authority	Production of alumina
US2476979A (en) *	1945-08-21	1949-07-26	Erwin C Hoeman	Process for preparing alumina from clays and other silicates of aluminum
GB883311A (en) *	1958-08-21	1961-11-29	Commw Scient Ind Res Org	Improvements in and relating to the production of alumina
FR1558347A (fr) *	1967-10-25	1969-02-28
FI53963C (fi) *	1971-02-19	1978-09-11	Kali Chemie Ag	Foerfarande foer framstaellning av sulfathaltiga basiska aluminiumklorider
BE791752A (fr) *	1971-11-25	1973-05-22	Pechiney Aluminium	Procede de traitement acide continu des argiles et schistes crus
US4069299A (en) *	1976-05-05	1978-01-17	Chevron Research Company	Hydroxy-aluminum chloride and sulfate polymer production

1977
- 1977-02-28 FR FR7706531A patent/FR2381718A1/fr active Granted
- 1977-12-26 IN IN504/DEL/77A patent/IN147940B/en unknown
1978
- 1978-01-11 PH PH20638A patent/PH13013A/en unknown
- 1978-02-09 US US05/876,205 patent/US4177242A/en not_active Expired - Lifetime
- 1978-02-21 CA CA297,374A patent/CA1106138A/fr not_active Expired
- 1978-02-21 AT AT0125978A patent/AT374771B/de not_active IP Right Cessation
- 1978-02-21 BG BG038762A patent/BG49607A3/xx unknown
- 1978-02-21 GR GR55510A patent/GR62726B/el unknown
- 1978-02-22 EG EG108/78A patent/EG13180A/xx active
- 1978-02-22 OA OA56419A patent/OA05897A/fr unknown
- 1978-02-22 IL IL54102A patent/IL54102A0/xx not_active IP Right Cessation
- 1978-02-22 BR BR7801048A patent/BR7801048A/pt unknown
- 1978-02-22 AR AR271192A patent/AR218478A1/es active
- 1978-02-22 DD DD78203799A patent/DD134864A5/xx unknown
- 1978-02-23 PL PL1978204859A patent/PL108463B1/pl unknown
- 1978-02-23 JP JP2035778A patent/JPS53106696A/ja active Granted
- 1978-02-23 TR TR19695A patent/TR19695A/xx unknown
- 1978-02-23 AU AU33569/78A patent/AU517747B2/en not_active Expired
- 1978-02-23 ES ES467256A patent/ES467256A1/es not_active Expired
- 1978-02-23 HU HU78PE1037A patent/HU181002B/hu not_active IP Right Cessation
- 1978-02-23 DE DE2807850A patent/DE2807850C3/de not_active Expired
- 1978-02-24 IT IT20588/78A patent/IT1094156B/it active
- 1978-02-24 DK DK84178A patent/DK84178A/da unknown
- 1978-02-27 NZ NZ186574A patent/NZ186574A/xx unknown
- 1978-02-27 SE SE7802201A patent/SE426689B/sv not_active IP Right Cessation
- 1978-02-27 NO NO780667A patent/NO148994C/no unknown
- 1978-02-27 GB GB7718/78A patent/GB1601882A/en not_active Expired
- 1978-02-27 MX MX172574A patent/MX147882A/es unknown
- 1978-02-27 ZA ZA00781124A patent/ZA781124B/xx unknown
- 1978-02-28 LU LU79140A patent/LU79140A1/fr unknown
- 1978-02-28 BE BE185525A patent/BE864381A/fr not_active IP Right Cessation
- 1978-02-28 NL NL7802209A patent/NL7802209A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
BG49607A3 (en)	1991-12-16
IL54102A0 (en)	1978-04-30
DK84178A (da)	1978-08-29
LU79140A1 (fr)	1978-10-17
NL7802209A (nl)	1978-08-30
ES467256A1 (es)	1978-10-16
NZ186574A (en)	1980-10-08
DE2807850A1 (de)	1978-08-31
FR2381718B1 (fr)	1980-11-21
JPS53106696A (en)	1978-09-16
BR7801048A (pt)	1978-11-28
SE7802201L (sv)	1978-08-29
PL204859A1 (pl)	1978-10-09
IN147940B (fr)	1980-08-16
AR218478A1 (es)	1980-06-13
GB1601882A (en)	1981-11-04
NO148994C (no)	1984-01-25
JPS5761693B2 (fr)	1982-12-25
CA1106138A (fr)	1981-08-04
DE2807850B2 (de)	1980-07-31
NO780667L (no)	1978-08-29
DD134864A5 (de)	1979-03-28
PL108463B1 (en)	1980-04-30
GR62726B (en)	1979-05-28
ATA125978A (de)	1983-10-15
IT1094156B (it)	1985-07-26
US4177242A (en)	1979-12-04
OA05897A (fr)	1981-05-31
FR2381718A1 (fr)	1978-09-22
AU517747B2 (en)	1981-08-27
AU3356978A (en)	1979-08-30
DE2807850C3 (de)	1981-09-03
ZA781124B (en)	1979-04-25
IT7820588A0 (it)	1978-02-24
NO148994B (no)	1983-10-17
EG13180A (en)	1982-12-31
AT374771B (de)	1984-05-25
BE864381A (fr)	1978-08-28
PH13013A (en)	1979-11-09
TR19695A (tr)	1979-10-11
HU181002B (en)	1983-05-30
MX147882A (es)	1983-01-28

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 7802201-9

Effective date: 19940910

Format of ref document f/p: F

Publication	Publication Date	Title
SE426689B (sv)	1983-02-07	Forfarande for framstellning av ren aluminiumoxid utgaende fran aluminiumoxidmineral innehallande fororeningar
DE69603289T2 (de)	1999-12-09	Verfahren zur rückwinnung von aluminiumoxid und siliziumoxid
US4237102A (en)	1980-12-02	Process for obtaining pure alumina by the hydrochloric attack of aluminous ores and extraction of the impurities by means of a sulphuric treatment
CA2608973C (fr)	2009-01-27	Processus de traitement de residus d'ecume d'aluminium
JP2004533387A (ja)	2004-11-04	鉱石からのアルミニウム化合物およびシリカの製造
US4124680A (en)	1978-11-07	Method of obtaining pure alumina by acid attack on aluminous minerals containing other elements
NO129142B (fr)	1974-03-04
CN109790045B (zh)	2022-06-17	冶炼级氧化铝生产方法(实施方式)
US4119698A (en)	1978-10-10	Reclamation treatment of red mud
US7534411B2 (en)	2009-05-19	Process for the preparation of pure silica
PL115226B1 (en)	1981-03-31	Method for the production of very pure aluminium oxide
SE430593B (sv)	1983-11-28	Forfarande for att utvinna anvendbara produkter ur avfallsprodukter fran aluminiumfluoridframstellning
US4244928A (en)	1981-01-13	Process for the production of pure aluminum oxide
EP0490011A1 (fr)	1992-06-17	Procédé de fabrication de zeolite 4A à partir de bauxite
CN101204712A (zh)	2008-06-25	铝电化学工艺废渣白泥的精细开发技术
CS207377B2 (en)	1981-07-31	Method of treating the aluminosilicate materials
CN113044866A (zh)	2021-06-29	一种从含铝的酸处理液制备硫酸铝的方法
US3525584A (en)	1970-08-25	Process for the production of aluminum fluoride
RU2572119C1 (ru)	2015-12-27	Способ переработки алюминийсодержащего сырья
KR800001413B1 (ko)	1980-12-05	순수 알루미나의 제조방법
KR830000529B1 (ko)	1983-03-12	순수 알루미나의 제조방법
Williams et al.	1927	Coal-dust Explosion Tests in the Experimental Mine 1919-1924, Inclusive
CN117776707A (zh)	2024-03-29	一种利用铝电解灰制备镁铝尖晶石的方法
Tikhonov et al.	1982	Study of Behavior and Development of Methods for Removal of Fluorides From Industrial Cycle in Bauxite Conversion by Bayer Process
MXPA98004747A (en)	1999-07-06	Procedure to recover alumina and sil