BR8303411A - Processo para a decomposicao hidrotermica de restos e residuos quimicos que apresentam um elevado teor de oxido de aluminio calcinados - Google Patents
Processo para a decomposicao hidrotermica de restos e residuos quimicos que apresentam um elevado teor de oxido de aluminio calcinadosInfo
- Publication number
- BR8303411A BR8303411A BR8303411A BR8303411A BR8303411A BR 8303411 A BR8303411 A BR 8303411A BR 8303411 A BR8303411 A BR 8303411A BR 8303411 A BR8303411 A BR 8303411A BR 8303411 A BR8303411 A BR 8303411A
- Authority
- BR
- Brazil
- Prior art keywords
- high content
- remains
- aluminum oxide
- chemical waste
- hydrothermal decomposition
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000002894 chemical waste Substances 0.000 title 1
- 238000000354 decomposition reaction Methods 0.000 title 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 229910001388 sodium aluminate Inorganic materials 0.000 abstract 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
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
-
- 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
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0693—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from waste-like raw materials, e.g. fly ash or Bayer calcination dust
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)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823224040 DE3224040A1 (de) | 1982-06-28 | 1982-06-28 | Verfahren zum hydrothermalen aufschluss von einen hohen gehalt an gegluehten aluminiumoxiden aufweisenden chemischen abfaellen und rueckstaenden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8303411A true BR8303411A (pt) | 1984-02-07 |
Family
ID=6167019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8303411A BR8303411A (pt) | 1982-06-28 | 1983-06-27 | Processo para a decomposicao hidrotermica de restos e residuos quimicos que apresentam um elevado teor de oxido de aluminio calcinados |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4557907A (https=) |
| EP (1) | EP0097892B1 (https=) |
| JP (1) | JPS5921520A (https=) |
| AT (1) | ATE40095T1 (https=) |
| BR (1) | BR8303411A (https=) |
| DE (2) | DE3224040A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052694A (en) * | 1986-07-08 | 1991-10-01 | Eg&G Sealol, Inc. | Hydrostatic face seal and bearing |
| WO1991009978A1 (en) * | 1989-12-27 | 1991-07-11 | Alcan International Limited | Process for converting dross residues to useful products |
| AT398750B (de) * | 1992-06-17 | 1995-01-25 | Waagner Biro Ag | Verfahren zur aluminiumherstellung nach dem bayer-verfahren |
| AT409350B (de) * | 2000-06-28 | 2002-07-25 | Kostjak Michael Dipl Ing Dr Te | Verfahren zum herauslösen von metallischem aluminium aus aluminiumhaltigen, festen abfällen |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE711017C (de) * | 1936-10-23 | 1941-09-25 | Ture Robert Haglund | Verfahren zum Aufschluss tonerdehaltiger Mineralien |
| US2946658A (en) * | 1957-06-26 | 1960-07-26 | Kaiser Aluminium Chem Corp | Chemical process for extracting monohydrate alumina containing materials |
| NL131570C (https=) * | 1963-07-29 | |||
| FR1498542A (fr) * | 1966-08-18 | 1967-10-20 | Electro Chimie Soc D | Perfectionnements à l'épuration des solutions d'aluminate de sodium |
| US3773890A (en) * | 1972-04-14 | 1973-11-20 | Union Carbide Corp | Process for extracting values from spent hydrodesulfurization catalysts |
| US3814701A (en) * | 1972-08-09 | 1974-06-04 | Fmc Corp | Regeneration of spent alumina |
| US3859413A (en) * | 1972-08-09 | 1975-01-07 | Oil Shale Corp | Alumina recovery from oil shale residue |
| US4113832A (en) * | 1977-11-28 | 1978-09-12 | Kaiser Aluminum & Chemical Corporation | Process for the utilization of waste materials from electrolytic aluminum reduction systems |
| US4167316A (en) * | 1978-06-26 | 1979-09-11 | Polaroid Corporation | Sonar controlled lens focus apparatus |
-
1982
- 1982-06-28 DE DE19823224040 patent/DE3224040A1/de not_active Withdrawn
-
1983
- 1983-05-27 US US06/499,038 patent/US4557907A/en not_active Expired - Fee Related
- 1983-06-18 DE DE8383105951T patent/DE3378976D1/de not_active Expired
- 1983-06-18 EP EP83105951A patent/EP0097892B1/de not_active Expired
- 1983-06-18 AT AT83105951T patent/ATE40095T1/de not_active IP Right Cessation
- 1983-06-27 BR BR8303411A patent/BR8303411A/pt unknown
- 1983-06-28 JP JP58116789A patent/JPS5921520A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0097892A1 (de) | 1984-01-11 |
| JPH04928B2 (https=) | 1992-01-09 |
| ATE40095T1 (de) | 1989-02-15 |
| JPS5921520A (ja) | 1984-02-03 |
| EP0097892B1 (de) | 1989-01-18 |
| DE3224040A1 (de) | 1983-12-29 |
| DE3378976D1 (en) | 1989-02-23 |
| US4557907A (en) | 1985-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2024665B3 (es) | Oxido cerico con nuevas caracteristicas morfologicas y su procedimiento de obtencion. | |
| MX169591B (es) | Zeolitos enlazados y procedimiento para prepararlos | |
| BR8500009A (pt) | Processo para a producao de um silicato cristalino,em camadas,de metal alcalino | |
| GB1385719A (en) | Process and apparatus for purifying exhaust gas | |
| MX4759E (es) | Procedimiento mejorado para la remocion de sulfuro de hidrogeno a partir de vapor geotermico | |
| ATE57895T1 (de) | Verfahren zur hydrothermalen herstellung klarer natriumsilikatloesungen. | |
| BR8303411A (pt) | Processo para a decomposicao hidrotermica de restos e residuos quimicos que apresentam um elevado teor de oxido de aluminio calcinados | |
| DK166883D0 (da) | Fremgangsmade til oparbejdning af aluminium- og jernholdigt surt spildevand | |
| BR7408258A (pt) | Processo aperfeicoado para recuperar hidroxido de sodio de liquido residual que e descarregado de estagios de polpamento e/ou alvejamento de materiais celulosicos | |
| ATE3400T1 (de) | Verfahren zur herstellung von amorphen natriumaluminiumsilikaten. | |
| ES2145912T3 (es) | Agente de captacion de cationes de metales pesados que comprende un compuesto del tipo silicato o aluminosilicato y un compuesto del tipo carbonato. | |
| EP0118588A3 (en) | Hydrothermal decomposition of aluminium silicates | |
| NO890256D0 (no) | Fremgangsmaate og anordning for rensing av transportbeholdere samt for behandling og sirkulering av anvendte vaesker. | |
| ES514457A0 (es) | "metodo para la fabricacion de zeolita cristalina". | |
| SE8702919D0 (sv) | Forfarande for kausticering av en alkalikarbonathaltig vattenlosning | |
| GB858026A (en) | Improvements in or relating to the manufacture of alumina | |
| ES2067281T3 (es) | Procedimiento para la preparacion de diglicerol y/o poliglicerol. | |
| ES2011779B3 (es) | Procedimiento e instalacion para limpieza de gases de humo con contenido de so2 | |
| GB816154A (en) | Separation of hydrohalic acids | |
| ES8603348A1 (es) | Procedimiento para el procesado del oxalato sodico impuro, que se forma durante la digestion de la bauxita | |
| ES537711A0 (es) | Un procedimiento para determinar la presencia del polvo de viviendas que contiene alergenos | |
| GB1038382A (en) | Process of treating waste gases containing gaseous sulfur dioxide | |
| ES2046437T3 (es) | Procedimiento para la separacion de cobre de unas soluciones acuosas de reaccion basica. | |
| DE69116594D1 (de) | Methode zur Entfernung von radioisotopischen Kationen aus einer wässrigen Umgebung mittels modifiziertem Clinoptilolit | |
| BR8706121A (pt) | Processo para a sulfatacao de grupos oh primarios livres de esteres parciais de alcoois alifaticos polivalentes |