BR7704829A - Aglomerados de alumina com grande resistencia mecanica e processo para sua obtencao - Google Patents

Aglomerados de alumina com grande resistencia mecanica e processo para sua obtencao

Info

Publication number
BR7704829A
BR7704829A BR7704829A BR7704829A BR7704829A BR 7704829 A BR7704829 A BR 7704829A BR 7704829 A BR7704829 A BR 7704829A BR 7704829 A BR7704829 A BR 7704829A BR 7704829 A BR7704829 A BR 7704829A
Authority
BR
Brazil
Prior art keywords
obtaining
mechanical resistance
large mechanical
agglomerates
aluminum
Prior art date
Application number
BR7704829A
Other languages
English (en)
Portuguese (pt)
Inventor
H Mercier
P Maurel
J Cohen
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.)
Filing date
Publication date
Priority claimed from FR7623131A external-priority patent/FR2359096A1/fr
Priority claimed from FR7623130A external-priority patent/FR2359095A1/fr
Priority claimed from FR7623128A external-priority patent/FR2359094A1/fr
Priority claimed from FR7623129A external-priority patent/FR2359074A1/fr
Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of BR7704829A publication Critical patent/BR7704829A/pt

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)
BR7704829A 1976-07-23 1977-07-22 Aglomerados de alumina com grande resistencia mecanica e processo para sua obtencao BR7704829A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
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
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
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

Publications (1)

Publication Number Publication Date
BR7704829A true BR7704829A (pt) 1978-04-25

Family

ID=27446346

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7704829A BR7704829A (pt) 1976-07-23 1977-07-22 Aglomerados de alumina com grande resistencia mecanica e processo para sua obtencao

Country Status (8)

Country Link
US (1) US4159313A (en:Method)
BR (1) BR7704829A (en:Method)
CA (1) CA1107306A (en:Method)
ES (1) ES460744A1 (en:Method)
GR (1) GR62456B (en:Method)
IT (1) IT1084573B (en:Method)
LU (1) LU77810A1 (en:Method)
NZ (1) NZ184684A (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
CN102256900A (zh) * 2008-12-17 2011-11-23 赢创德固赛有限公司 制备具有高α-Al2O3含量的氧化铝粉末的方法
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US4159313A (en) 1979-06-26
CA1107306A (fr) 1981-08-18
LU77810A1 (en:Method) 1978-02-02
GR62456B (en) 1979-04-12
ES460744A1 (es) 1978-12-01
NZ184684A (en) 1979-12-11
IT1084573B (it) 1985-05-25

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