IT1089008B - PRODUCTION PROCESS OF ALUMINUM OXIDE CONTAINING FROM 0.01% TO 25% OF CHROMIUM OXIDE AND / OR IRON OXIDE - Google Patents

PRODUCTION PROCESS OF ALUMINUM OXIDE CONTAINING FROM 0.01% TO 25% OF CHROMIUM OXIDE AND / OR IRON OXIDE

Info

Publication number
IT1089008B
IT1089008B IT29048/77A IT2904877A IT1089008B IT 1089008 B IT1089008 B IT 1089008B IT 29048/77 A IT29048/77 A IT 29048/77A IT 2904877 A IT2904877 A IT 2904877A IT 1089008 B IT1089008 B IT 1089008B
Authority
IT
Italy
Prior art keywords
oxide
production process
chromium
iron
aluminum
Prior art date
Application number
IT29048/77A
Other languages
Italian (it)
Original Assignee
Alusuisse
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
Application filed by Alusuisse filed Critical Alusuisse
Application granted granted Critical
Publication of IT1089008B publication Critical patent/IT1089008B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/862—Iron and chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • 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
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
    • 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
    • C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
    • C01F7/447—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes
    • C01F7/448—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by wet processes using superatmospheric pressure, e.g. hydrothermal conversion of gibbsite into boehmite
    • 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Compounds Of Iron (AREA)
  • Compositions Of Oxide Ceramics (AREA)
IT29048/77A 1976-11-09 1977-10-27 PRODUCTION PROCESS OF ALUMINUM OXIDE CONTAINING FROM 0.01% TO 25% OF CHROMIUM OXIDE AND / OR IRON OXIDE IT1089008B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1412176A CH601109A5 (en) 1976-11-09 1976-11-09

Publications (1)

Publication Number Publication Date
IT1089008B true IT1089008B (en) 1985-06-10

Family

ID=4398169

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29048/77A IT1089008B (en) 1976-11-09 1977-10-27 PRODUCTION PROCESS OF ALUMINUM OXIDE CONTAINING FROM 0.01% TO 25% OF CHROMIUM OXIDE AND / OR IRON OXIDE

Country Status (6)

Country Link
CH (1) CH601109A5 (en)
DE (1) DE2653797C2 (en)
FR (1) FR2370012A1 (en)
GB (1) GB1537643A (en)
IT (1) IT1089008B (en)
NL (1) NL7712026A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131255C2 (en) * 1981-08-07 1986-02-13 VEG-Gasinstituut N.V., Apeldoorn Process for the preparation of a ferric oxide catalyst or absorbent
HU198523B (en) * 1985-06-13 1987-08-28 Magyar Aluminium Active anticorrosion pigment composition for coating materials and process for its production
BR9106645A (en) * 1990-07-16 1993-04-20 Minnesota Mining & Mfg ALPHA ALUMINUM BASED CERAMICS WITH A SEEDED MICRO-STRUCTURE, SAME PRODUCTION PROCESS AND ABRASIVE ARTICLE
FR2702206A1 (en) * 1993-03-05 1994-09-09 Baikowski Chimie Alumina, one of the processes for obtaining it and its applications
CN103614774B (en) * 2013-12-13 2016-06-15 东莞市精研粉体科技有限公司 The preparation method growing the doped raw material of gem monocrystalline for czochralski method or EFG technique
CN108636410A (en) * 2018-05-14 2018-10-12 福州大学 A kind of preparation method and applications of the Fe2O3 doping aluminium oxide hollow microsphere with porous structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB580031A (en) * 1944-11-03 1946-08-23 Carborundum Co Improvements in or relating to grain or shaped articles of ª‡-alumina
BE492243A (en) * 1948-11-18
CA931737A (en) * 1970-01-28 1973-08-14 W.R. Grace And Co. Doped alumina powder
DE2113940A1 (en) * 1971-03-23 1972-09-28 Aloys Dr Wuestefeld Increasing reactivity of solids - eg when acting as solid catalysts
JPS5037806A (en) * 1973-06-27 1975-04-08

Also Published As

Publication number Publication date
DE2653797A1 (en) 1978-05-11
GB1537643A (en) 1979-01-04
FR2370012A1 (en) 1978-06-02
NL7712026A (en) 1978-05-11
DE2653797C2 (en) 1982-04-08
CH601109A5 (en) 1978-06-30

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