NL8020062A - Werkwijze voor het omzetten van hydrargilliet in boehmiet. - Google Patents

Werkwijze voor het omzetten van hydrargilliet in boehmiet. Download PDF

Info

Publication number
NL8020062A
NL8020062A NL8020062A NL8020062A NL8020062A NL 8020062 A NL8020062 A NL 8020062A NL 8020062 A NL8020062 A NL 8020062A NL 8020062 A NL8020062 A NL 8020062A NL 8020062 A NL8020062 A NL 8020062A
Authority
NL
Netherlands
Prior art keywords
boehmite
hydrargillite
grain size
zone
suspension
Prior art date
Application number
NL8020062A
Other languages
English (en)
Dutch (nl)
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
Application filed by Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of NL8020062A publication Critical patent/NL8020062A/nl

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
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Printing Plates And Materials Therefor (AREA)
NL8020062A 1979-02-28 1980-02-26 Werkwijze voor het omzetten van hydrargilliet in boehmiet. NL8020062A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7905688 1979-02-28
FR7905688A FR2450232A1 (fr) 1979-02-28 1979-02-28 Procede de transformation de l'hydrargilitte en boehmite

Publications (1)

Publication Number Publication Date
NL8020062A true NL8020062A (nl) 1980-11-28

Family

ID=9222781

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8020062A NL8020062A (nl) 1979-02-28 1980-02-26 Werkwijze voor het omzetten van hydrargilliet in boehmiet.

Country Status (25)

Country Link
US (1) US4534957A (pt)
JP (1) JPS6045126B2 (pt)
AR (1) AR222374A1 (pt)
AU (1) AU530560B2 (pt)
BE (1) BE881947A (pt)
BR (1) BR8007034A (pt)
CA (1) CA1147128A (pt)
DD (1) DD149354A5 (pt)
DE (1) DE3034310C3 (pt)
ES (1) ES488993A1 (pt)
FR (1) FR2450232A1 (pt)
GB (1) GB2044236B (pt)
GR (1) GR69612B (pt)
HU (1) HU183164B (pt)
IE (1) IE49523B1 (pt)
IN (1) IN152281B (pt)
IT (1) IT1141392B (pt)
MX (1) MX153386A (pt)
NL (1) NL8020062A (pt)
OA (1) OA06479A (pt)
PH (1) PH15111A (pt)
PL (1) PL222252A1 (pt)
PT (1) PT70872A (pt)
WO (1) WO1980001799A1 (pt)
YU (1) YU40591B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308023A1 (de) * 1983-03-07 1984-09-13 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Fuellstoff auf basis von aluminiumhydroxid und verfahren zu seiner herstellung
US5063033A (en) * 1987-02-10 1991-11-05 Vereinigte Aluminum-Werke Aktiengesellschaft Process for the production of boehmite
US4797139A (en) * 1987-08-11 1989-01-10 Norton Company Boehmite produced by a seeded hydyothermal process and ceramic bodies produced therefrom
HU210595B (en) * 1988-02-03 1995-05-29 Almasfuezitoei Timfoeldgyar Process for producing aluminiume-oxides using to the ceramic which contains smaller than 1 micrometer one-crystalsize grains, too
DE3840862A1 (de) * 1988-12-03 1990-06-07 Vaw Ver Aluminium Werke Ag Verfahren zur herstellung von boehmit-dispersionen
IS3896A (is) * 1991-08-07 1993-02-08 Comalco Aluminium Limited Hreinsun á loftkenndum flúoríðum úr útblæstri iðjuvera
DE19812279C1 (de) * 1998-03-20 1999-05-12 Nabaltec Gmbh Flammwidrige Kunststoffmischung und Verfahren zur Herstellung eines Füllstoffs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1953201A (en) * 1926-09-03 1934-04-03 Aluminum Co Of America Aluminum hydrate of low water content and process of producing the same
BE492243A (pt) * 1948-11-18
FR983101A (fr) * 1949-01-27 1951-06-19 Alais & Froges & Camarque Cie Nouvelle charge, à base d'alumine, pour caoutchouc
US2659660A (en) * 1950-12-05 1953-11-17 Electro Chimie Metal Method and apparatus for the manufacture of alumina
FR1460015A (fr) * 1965-10-13 1966-06-17 Pechiney Saint Gobain Supports de catalyseurs en boehmite activée
FR1483002A (fr) * 1966-04-21 1967-06-02 Pechiney Saint Gobain Monohydrates d'aluminium de petite surface spécifique et leurs applications
US3954957A (en) * 1975-02-24 1976-05-04 Aluminum Company Of America Production of alumina monohydrate pigment
US4224302A (en) * 1975-09-16 1980-09-23 Nippon Soken Inc. Process for producing an alumina catalyst carrier
JPS5235797A (en) * 1975-09-16 1977-03-18 Nippon Soken Inc Manufacturing method for boehmite
JPS5318998A (en) * 1976-08-06 1978-02-21 Dainippon Toryo Kk Electrochromic display element
US4117105A (en) * 1977-03-21 1978-09-26 Pq Corporation Process for preparing dispersible boehmite alumina

Also Published As

Publication number Publication date
PT70872A (fr) 1980-03-01
PH15111A (en) 1982-08-10
GB2044236B (en) 1983-01-12
US4534957A (en) 1985-08-13
JPS6045126B2 (ja) 1985-10-08
OA06479A (fr) 1981-07-31
DE3034310T1 (de) 1981-03-12
MX153386A (es) 1986-10-07
AR222374A1 (es) 1981-05-15
DD149354A5 (de) 1981-07-08
FR2450232A1 (fr) 1980-09-26
IE49523B1 (en) 1985-10-16
GB2044236A (en) 1980-10-15
IE800384L (en) 1980-08-28
ES488993A1 (es) 1980-09-16
IT8020175A0 (it) 1980-02-26
YU40591B (en) 1986-02-28
JPS56500013A (pt) 1981-01-08
IN152281B (pt) 1983-12-10
HU183164B (en) 1984-04-28
WO1980001799A1 (fr) 1980-09-04
YU50780A (en) 1983-01-21
GR69612B (pt) 1982-07-05
AU5587680A (en) 1980-09-04
DE3034310C2 (pt) 1993-12-23
FR2450232B1 (pt) 1982-09-10
BR8007034A (pt) 1981-01-21
CA1147128A (fr) 1983-05-31
PL222252A1 (pt) 1980-11-03
IT1141392B (it) 1986-10-01
AU530560B2 (en) 1983-07-21
DE3034310C3 (de) 1993-12-23
BE881947A (fr) 1980-08-27

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Legal Events

Date Code Title Description
BV The patent application has lapsed
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed