ZA823822B - Preparing pure aluminas from ammonium alum - Google Patents
Preparing pure aluminas from ammonium alumInfo
- Publication number
- ZA823822B ZA823822B ZA823822A ZA823822A ZA823822B ZA 823822 B ZA823822 B ZA 823822B ZA 823822 A ZA823822 A ZA 823822A ZA 823822 A ZA823822 A ZA 823822A ZA 823822 B ZA823822 B ZA 823822B
- Authority
- ZA
- South Africa
- Prior art keywords
- aluminas
- ammonium alum
- spinels
- dehydration
- dehydrated
- Prior art date
Links
- 235000011124 aluminium ammonium sulphate Nutrition 0.000 title abstract 2
- LCQXXBOSCBRNNT-UHFFFAOYSA-K ammonium aluminium sulfate Chemical compound [NH4+].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O LCQXXBOSCBRNNT-UHFFFAOYSA-K 0.000 title abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- 230000018044 dehydration Effects 0.000 abstract 2
- 238000006297 dehydration reaction Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 239000000843 powder Substances 0.000 abstract 2
- 229910052566 spinel group Inorganic materials 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- UAMZXLIURMNTHD-UHFFFAOYSA-N dialuminum;magnesium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mg+2].[Al+3].[Al+3] UAMZXLIURMNTHD-UHFFFAOYSA-N 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000000155 isotopic effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910052596 spinel Inorganic materials 0.000 abstract 1
- 239000011029 spinel Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- 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
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
- C01F7/32—Thermal decomposition of sulfates including complex sulfates, e.g. alums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/024—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/024—Oxides
- B01D71/025—Aluminium oxide
-
- 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
- C01F7/16—Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/162—Magnesium aluminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/42—Catalysts within the flow path
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/32—Three-dimensional structures spinel-type (AB2O4)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/11—Powder tap density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Water Supply & Treatment (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Catalysts (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8110872A FR2506748A1 (fr) | 1981-06-02 | 1981-06-02 | Procede de preparation d'alumines ou de spinelles alumine-magnesie tres divises a structure poreuse homogene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA823822B true ZA823822B (en) | 1983-03-30 |
Family
ID=9259092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA823822A ZA823822B (en) | 1981-06-02 | 1982-06-01 | Preparing pure aluminas from ammonium alum |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4532121A (xx) |
| EP (1) | EP0067744B1 (xx) |
| JP (1) | JPS57209818A (xx) |
| KR (1) | KR860000468B1 (xx) |
| AT (1) | ATE9780T1 (xx) |
| AU (1) | AU549611B2 (xx) |
| BR (1) | BR8203151A (xx) |
| CA (1) | CA1164848A (xx) |
| DE (1) | DE3260942D1 (xx) |
| FR (1) | FR2506748A1 (xx) |
| IL (1) | IL65578A (xx) |
| IN (1) | IN157773B (xx) |
| ZA (1) | ZA823822B (xx) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4770869A (en) * | 1983-11-07 | 1988-09-13 | Aluminum Company Of America | Steam producing process and products |
| CA1267164A (en) * | 1985-12-13 | 1990-03-27 | Harold G. Sowman | Microcrystalline transition metal oxide spinel articles |
| US5256389A (en) * | 1988-03-07 | 1993-10-26 | Cabot Corporation | High surface area metal oxide foams |
| US4937062A (en) * | 1988-03-07 | 1990-06-26 | Cabot Corporation | High surface area metal oxide foams and method of producing the same |
| US5545360A (en) * | 1993-06-08 | 1996-08-13 | Industrial Technology Research Institute | Process for preparing powders with superior homogeneity from aqueous solutions of metal nitrates |
| US6004525A (en) * | 1997-10-06 | 1999-12-21 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Hollow oxide particle and process for producing the same |
| FR2775864A1 (fr) * | 1998-03-06 | 1999-09-03 | Physiques Et Chimiques | Dispositif a decharges electriques froides et ses applications pour traiter des gaz, des vapeurs et/ou de la matiere solide ou liquide dispersee |
| US6251150B1 (en) | 1999-05-27 | 2001-06-26 | Ekc Technology, Inc. | Slurry composition and method of chemical mechanical polishing using same |
| KR20030084176A (ko) * | 2002-04-25 | 2003-11-01 | 배기창 | 양수기용 고압 호스 및 그 제조방법 |
| DE102007003435A1 (de) * | 2007-01-23 | 2008-07-24 | Clariant International Ltd. | Druckfarbenbeschichtungsmassen enthaltend Mischoxid-Nanopartikel |
| RU2540635C2 (ru) * | 2012-11-22 | 2015-02-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный минерально-сырьевой университет "Горный" | Способ получения гидрокарбоалюминатов щелочноземельных металлов из природного магнийсодержащего сырья |
| RU2737169C1 (ru) * | 2020-03-10 | 2020-11-25 | Федеральное государственное бюджетное учреждение науки Федеральный исследовательский центр "Кольский научный центр Российской академии наук" (ФИЦ КНЦ РАН) | Способ получения корундовой керамики |
| CN112521168B (zh) * | 2020-12-15 | 2022-06-28 | 中钢洛耐科技股份有限公司 | 煤烧多复合尖晶石材料及其制备方法和应用 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1957768A (en) * | 1933-06-30 | 1934-05-08 | Kalunite Company | Manufacture of alumina |
| US1957767A (en) * | 1933-06-30 | 1934-05-08 | Kalunite Company | Manufacture of alumina |
| US2773741A (en) * | 1952-11-25 | 1956-12-11 | Cabot Godfrey L Inc | Process for the production of aluminum oxide |
| US3325247A (en) * | 1964-04-06 | 1967-06-13 | Grace W R & Co | Process for producing high porosity gamma alumina |
| DE1619809B2 (de) * | 1967-08-11 | 1975-12-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zum Herstellen von ausscheidungsfreien Mg-Al-Spinell-Kristallen |
| DE1592128A1 (de) * | 1967-10-12 | 1971-09-09 | Kretzschmar Geb Mendte Charlot | Verfahren zur thermischen Zersetzung von Aluminiumsulfat |
| US3679361A (en) * | 1970-01-21 | 1972-07-25 | Giovanni Bonelli | Process for alum cracking and the so obtained products |
| SU426968A1 (ru) * | 1972-02-15 | 1974-05-05 | М. Д. Эфрос, Е. В. Карпинчик , Н. Ф. Ермоленко | Способ получения шпинелей на основе окиси алюминия |
| IT984122B (it) * | 1972-04-28 | 1974-11-20 | Grace W R & Co | Processo per la preparazione di spinello di ossido di magnesio allumina e prodotto con esso ottenuto |
| US3898322A (en) * | 1972-12-15 | 1975-08-05 | Continental Oil Co | Alumina having a binodal pore volume distribution |
| JPS544356B2 (xx) * | 1973-07-18 | 1979-03-06 | ||
| US4085201A (en) * | 1974-02-11 | 1978-04-18 | Griffiths Kenneth F | Process for manufacturing aluminum oxide |
| DE2419544A1 (de) * | 1974-04-23 | 1975-11-06 | Polysius Ag | Verfahren zur herstellung von tonerde |
| SU560827A1 (ru) * | 1975-04-11 | 1977-06-05 | Предприятие П/Я Р-6496 | Способ получени алюмината магни |
| FR2486058A1 (fr) * | 1980-07-01 | 1982-01-08 | Ugine Kuhlmann | Nouveau procede de preparation d'alumines de haute purete a partir d'alun d'ammonium |
-
1981
- 1981-06-02 FR FR8110872A patent/FR2506748A1/fr active Granted
-
1982
- 1982-04-22 IL IL65578A patent/IL65578A/xx unknown
- 1982-05-03 KR KR8201930A patent/KR860000468B1/ko active
- 1982-05-25 AT AT82400958T patent/ATE9780T1/de not_active IP Right Cessation
- 1982-05-25 DE DE8282400958T patent/DE3260942D1/de not_active Expired
- 1982-05-25 EP EP82400958A patent/EP0067744B1/fr not_active Expired
- 1982-05-28 BR BR8203151A patent/BR8203151A/pt unknown
- 1982-06-01 AU AU84370/82A patent/AU549611B2/en not_active Ceased
- 1982-06-01 CA CA000404190A patent/CA1164848A/fr not_active Expired
- 1982-06-01 ZA ZA823822A patent/ZA823822B/xx unknown
- 1982-06-01 JP JP57092240A patent/JPS57209818A/ja active Pending
- 1982-06-02 IN IN633/CAL/82A patent/IN157773B/en unknown
-
1984
- 1984-06-21 US US06/622,401 patent/US4532121A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0067744A1 (fr) | 1982-12-22 |
| IL65578A (en) | 1985-08-30 |
| AU549611B2 (en) | 1986-02-06 |
| FR2506748A1 (fr) | 1982-12-03 |
| FR2506748B1 (xx) | 1984-08-10 |
| JPS57209818A (en) | 1982-12-23 |
| BR8203151A (pt) | 1983-05-17 |
| KR860000468B1 (ko) | 1986-04-28 |
| AU8437082A (en) | 1982-12-09 |
| KR830010002A (ko) | 1983-12-24 |
| CA1164848A (fr) | 1984-04-03 |
| IN157773B (xx) | 1986-06-14 |
| EP0067744B1 (fr) | 1984-10-10 |
| IL65578A0 (en) | 1982-07-30 |
| US4532121A (en) | 1985-07-30 |
| DE3260942D1 (en) | 1984-11-15 |
| ATE9780T1 (de) | 1984-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2506748B1 (xx) | ||
| ES2110945T3 (es) | Granos abrasivos hechos de ceramica, metodo de impregnacion para su preparacion y productos hechos con los mismos. | |
| MY104778A (en) | Process for the preparation of extrudates for use in the manufacture of catalyst carriers or catalyst, extrudates, and use of the extrudates. | |
| GB9012524D0 (en) | High surface area zirconia,a process for producing high surface area zirconia and a process for the production of hydrocarbons from synthesis gas | |
| KR970703197A (ko) | 티타니아계 촉매 캐리어(Titania-based catalyst carriers) | |
| FI870302A (fi) | Kemiskt foerfarande foer framstaellning av ett kombinationsmaterial av zirkonium-aluminium-magnesiumoxid. | |
| GR862033B (en) | Heavy ceramic shaped material process for the production thereof and the use thereof | |
| ZA937855B (en) | Alumina stabilized with lanthanum and process for its preparation | |
| US3379523A (en) | Hot-pressing of decomposable compounds to form oxide-containing products | |
| Pijolat et al. | Influence of additives and water vapour on the transformation of transition aluminas into alpha alumina | |
| KR920000659A (ko) | 마그네시아-알루미나계 스피넬(spinel)클링커(clinker) 및 이것을 사용한 내화물의 제조법 | |
| ATE6849T1 (de) | Verfahren zur herstellung von aluminiumoxyden mit grosser reinheit aus aluminiumalaun. | |
| Sōmiya | Hydrothermal preparation and sintering of fine ceramic powders | |
| ES432719A1 (es) | Un metodo mejorado para preparar una composicion catalitica que incluye un agregado calcinado de alumina en mezcla con oxidos que comunican estabilidad a altas temperaturas. | |
| SU1318575A1 (ru) | Шихта дл изготовлени керамических изделий | |
| ATE90317T1 (de) | Aluminiumoxidpulver mit verbesserten verarbeitungseigenschaften und verfahren zu ihrer herstellung. | |
| Yokota | Reuse of Aluminum Sludge | |
| SU1074820A1 (ru) | Способ получени окиси магни | |
| KACSALOVA | REQUIRED PROPERTIES OF STARTING MATERIALS FOR MAKING SPECIAL ALUMINA PRODUCTS | |
| JPS5734007A (en) | Preparation of metallic carbide nitride | |
| ZA866613B (en) | High-strength fire-proof product,manufactured without firing | |
| Poluboyarinov et al. | The question of the stabilization and sintering of high purity zirconium dioxide | |
| Furosato et al. | Mullite Ceramics From High Purity Kaolin | |
| Casarini et al. | Preparation of beta" Alumina Ceramic. I. Effect of Raw Material Purity on Phase Transformation.(Retroactive Coverage) | |
| Funahashi et al. | Production of High Purity Zirconia Powder From Zircon by Carbon Reduction Under Reduced Pressure |