GR62456B - Agglomerated alumina of good mechanical resistance and process for the preparation thereof - Google Patents

Agglomerated alumina of good mechanical resistance and process for the preparation thereof

Info

Publication number
GR62456B
GR62456B GR54006A GR770162456A GR62456B GR 62456 B GR62456 B GR 62456B GR 54006 A GR54006 A GR 54006A GR 770162456 A GR770162456 A GR 770162456A GR 62456 B GR62456 B GR 62456B
Authority
GR
Greece
Prior art keywords
preparation
good mechanical
mechanical resistance
agglomerated alumina
agglomerated
Prior art date
Application number
GR54006A
Other languages
English (en)
Inventor
P Maurel
H Mercier
J Cohnen
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 FR7623129A external-priority patent/FR2359074A1/fr
Priority claimed from FR7623128A external-priority patent/FR2359094A1/fr
Priority claimed from FR7623131A external-priority patent/FR2359096A1/fr
Priority claimed from FR7623130A external-priority patent/FR2359095A1/fr
Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of GR62456B publication Critical patent/GR62456B/el

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)
GR54006A 1976-07-23 1977-07-21 Agglomerated alumina of good mechanical resistance and process for the preparation thereof GR62456B (en)

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
GR62456B true GR62456B (en) 1979-04-12

Family

ID=27446346

Family Applications (1)

Application Number Title Priority Date Filing Date
GR54006A GR62456B (en) 1976-07-23 1977-07-21 Agglomerated alumina of good mechanical resistance and process for the preparation thereof

Country Status (8)

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

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
EP2358637A1 (en) * 2008-12-17 2011-08-24 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)

* 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
LU77810A1 (el) 1978-02-02
CA1107306A (fr) 1981-08-18
US4159313A (en) 1979-06-26
NZ184684A (en) 1979-12-11
ES460744A1 (es) 1978-12-01
IT1084573B (it) 1985-05-25
BR7704829A (pt) 1978-04-25

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