IT1089008B - Procedimento di produzione di ossido di alluminio contenente dallo 0,01% al 25% di ossido di cromo e/oppure di ossido di ferro - Google Patents

Procedimento di produzione di ossido di alluminio contenente dallo 0,01% al 25% di ossido di cromo e/oppure di ossido di ferro

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
English (en)
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/it

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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (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 Procedimento di produzione di ossido di alluminio contenente dallo 0,01% al 25% di ossido di cromo e/oppure di ossido di ferro IT1089008B (it)

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 (it) 1985-06-10

Family

ID=4398169

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29048/77A IT1089008B (it) 1976-11-09 1977-10-27 Procedimento di produzione di ossido di alluminio contenente dallo 0,01% al 25% di ossido di cromo e/oppure di ossido di ferro

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 (de) * 1981-08-07 1986-02-13 VEG-Gasinstituut N.V., Apeldoorn Verfahren zur Herstellung eines Eisen-(III)-Oxid-Katalysators oder - Absorptionsmittels
HU198523B (en) * 1985-06-13 1987-08-28 Magyar Aluminium Active anticorrosion pigment composition for coating materials and process for its production
AU8443091A (en) * 1990-07-16 1992-02-18 Minnesota Mining And Manufacturing Company Alpha phase seeding of transition alumina using chromium oxide-based nucleating agents
FR2702206A1 (fr) * 1993-03-05 1994-09-09 Baikowski Chimie Alumine, l'un de ses procédés d'obtention et ses applications.
CN103614774B (zh) * 2013-12-13 2016-06-15 东莞市精研粉体科技有限公司 用于提拉法或导模法生长宝石单晶的掺杂原料的制备方法
CN108636410A (zh) * 2018-05-14 2018-10-12 福州大学 一种具有多孔结构的铁掺杂氧化铝中空微球的制备方法及其应用

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 (de) * 1971-03-23 1972-09-28 Aloys Dr Wuestefeld Verfahren zur Steigerung der Reaktivitaet fester Stoffe
JPS5037806A (en)) * 1973-06-27 1975-04-08

Also Published As

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

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