ES460744A1 - Procedimiento para la obtencion de aglomerado de alumina de gran resistencia mecanica. - Google Patents
Procedimiento para la obtencion de aglomerado de alumina de gran resistencia mecanica.Info
- Publication number
- ES460744A1 ES460744A1 ES460744A ES460744A ES460744A1 ES 460744 A1 ES460744 A1 ES 460744A1 ES 460744 A ES460744 A ES 460744A ES 460744 A ES460744 A ES 460744A ES 460744 A1 ES460744 A1 ES 460744A1
- Authority
- ES
- Spain
- Prior art keywords
- mechanical strength
- hydrated aluminum
- obtaining
- alumina agglomerates
- good mechanical
- Prior art date
- 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
Links
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
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
- C01F7/308—Thermal decomposition of nitrates
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- 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
- C01P2006/21—Attrition-index or crushing strength of granulates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Procedimiento para la obtención de aglomerados de alúmina de gran resistencia mecánica, caracterizado porque comprende compactar un producto intermedio en forma de pastilla, a una presión de 2.000 KG F/cm2 a 10.000 KG F/cm2 cuando la sustancia antes del tratamiento es cloruro de aluminio hidratado , a una presión de al menos 1.500 KG F/cm2 cuando la sustancia antes del tratamiento es un nitrato de aluminio hidratado, a una presión de al menos 200 KG F/cm2 cuando la sustancia antes del tratamiento es sulfato de aluminio hidratado, y a una presión de al menos 600 KG F/cm2 cuando la sustancia antes del tratamiento es un sulfito de aluminio hidratado
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7623129A FR2359074A1 (fr) | 1976-07-23 | 1976-07-23 | Agglomeres d'alumine de bonne resistance mecanique a granulometrie reglable obtenus a partir de nitrate d'aluminium hydrate et procede d'obtention |
FR7623128A FR2359094A1 (fr) | 1976-07-23 | 1976-07-23 | Agglomeres d'alumine de grande resistance mecanique obtenus a partir de chlorure d'aluminium hexahydrate et procede d'obtention |
FR7623131A FR2359096A1 (fr) | 1976-07-23 | 1976-07-23 | Agglomeres d'alumine de bonne resistance mecanique obtenus a partir de sulfites d'aluminium hydrates et procede d'obtention |
FR7623130A FR2359095A1 (fr) | 1976-07-23 | 1976-07-23 | Agglomeres d'alumine de bonne resistance mecanique obtenus a partir de sulfates d'aluminium hydrates et procede d'obtention |
Publications (1)
Publication Number | Publication Date |
---|---|
ES460744A1 true ES460744A1 (es) | 1978-12-01 |
Family
ID=27446346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES460744A Expired ES460744A1 (es) | 1976-07-23 | 1977-07-14 | Procedimiento para la obtencion de aglomerado de alumina de gran resistencia mecanica. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4159313A (es) |
BR (1) | BR7704829A (es) |
CA (1) | CA1107306A (es) |
ES (1) | ES460744A1 (es) |
GR (1) | GR62456B (es) |
IT (1) | IT1084573B (es) |
LU (1) | LU77810A1 (es) |
NZ (1) | NZ184684A (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5244648A (en) * | 1980-12-23 | 1993-09-14 | Rhone-Poulenc Industries | Process for the preparation of alumina agglomerates |
US4402932A (en) * | 1982-05-07 | 1983-09-06 | The United States Of America As Represented By The Secretary Of The Interior | Thermal decomposition of aluminum chloride hexahydrate |
WO1992019535A1 (en) * | 1991-05-06 | 1992-11-12 | Alcan International Limited | Process for producing agglomerates from dust originating from thermal treatment of materials containing alumina |
US5560876A (en) * | 1991-05-06 | 1996-10-01 | Alcan International Limited | Process for producing agglomerates from dusts |
US5437852A (en) * | 1993-05-13 | 1995-08-01 | The Babcock & Wilcox Company | Water-soluble pre-ceramic polymers and methods of their production |
WO2010069690A1 (en) * | 2008-12-17 | 2010-06-24 | Evonik Degussa Gmbh | Process for preparing an aluminium oxide powder having a high alpha-al2o3 content |
CN109650423A (zh) * | 2019-01-03 | 2019-04-19 | 湖北工业大学 | 一种高分散性片状α-氧化铝粉体的制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2006851A (en) * | 1931-08-05 | 1935-07-02 | Firm Th Goldschmidt A G | Process for the decomposition of siliceous aluminous minerals |
US3169827A (en) * | 1960-12-06 | 1965-02-16 | Universal Oil Prod Co | Method of preparing alumina from aluminum sulfate |
US3366446A (en) * | 1965-07-16 | 1968-01-30 | Allied Chem | Process for decomposition of aluminum nitrate nonahydrate |
-
1977
- 1977-07-13 IT IT25668/77A patent/IT1084573B/it active
- 1977-07-13 CA CA282,676A patent/CA1107306A/fr not_active Expired
- 1977-07-14 ES ES460744A patent/ES460744A1/es not_active Expired
- 1977-07-19 NZ NZ184684A patent/NZ184684A/xx unknown
- 1977-07-21 LU LU77810A patent/LU77810A1/xx unknown
- 1977-07-21 GR GR54006A patent/GR62456B/el unknown
- 1977-07-22 BR BR7704829A patent/BR7704829A/pt unknown
- 1977-07-22 US US05/818,204 patent/US4159313A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
LU77810A1 (es) | 1978-02-02 |
BR7704829A (pt) | 1978-04-25 |
US4159313A (en) | 1979-06-26 |
IT1084573B (it) | 1985-05-25 |
NZ184684A (en) | 1979-12-11 |
GR62456B (en) | 1979-04-12 |
CA1107306A (fr) | 1981-08-18 |
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