IT7969053A0 - Procedimento per produrre allumina sferoidale dall idrargillite - Google Patents

Procedimento per produrre allumina sferoidale dall idrargillite

Info

Publication number
IT7969053A0
IT7969053A0 IT7969053A IT6905379A IT7969053A0 IT 7969053 A0 IT7969053 A0 IT 7969053A0 IT 7969053 A IT7969053 A IT 7969053A IT 6905379 A IT6905379 A IT 6905379A IT 7969053 A0 IT7969053 A0 IT 7969053A0
Authority
IT
Italy
Prior art keywords
hydrargillite
procedure
producing spheroidal
spheroidal alumina
alumina
Prior art date
Application number
IT7969053A
Other languages
English (en)
Other versions
IT1121490B (it
Inventor
Shizuo Takumi Toshio Hashimoto
Masaru Tatsushima
Original Assignee
Nikki Universal Co Ltd
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 Nikki Universal Co Ltd filed Critical Nikki Universal Co Ltd
Publication of IT7969053A0 publication Critical patent/IT7969053A0/it
Application granted granted Critical
Publication of IT1121490B publication Critical patent/IT1121490B/it

Links

Classifications

    • B01J35/51—
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
    • B01J2/08—Gelation of a colloidal solution
    • 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
    • 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
    • C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
    • C01F7/22—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with halides or halogen acids
    • 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
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • 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
    • 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
IT69053/79A 1978-10-26 1979-10-22 Procedimento per produrre allumina sferoidale dall idrargillite IT1121490B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13177978A JPS5560022A (en) 1978-10-26 1978-10-26 Production of spherical alumina

Publications (2)

Publication Number Publication Date
IT7969053A0 true IT7969053A0 (it) 1979-10-22
IT1121490B IT1121490B (it) 1986-04-02

Family

ID=15065946

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69053/79A IT1121490B (it) 1978-10-26 1979-10-22 Procedimento per produrre allumina sferoidale dall idrargillite

Country Status (6)

Country Link
US (1) US4309312A (it)
JP (1) JPS5560022A (it)
DE (1) DE2942768C2 (it)
FR (1) FR2439747A1 (it)
GB (1) GB2035280B (it)
IT (1) IT1121490B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761626A (en) * 1980-09-29 1982-04-14 Nikki Universal Co Ltd Production of spherical alumina
DE3212249C2 (de) * 1982-04-02 1986-08-21 Condea Chemie GmbH, 2212 Brunsbüttel Verfahren zur Herstellung von kugelförmiger Tonerde
US4837069A (en) * 1987-01-07 1989-06-06 Minnesota Mining And Manufacturing Company Transparent alumina microspheres
DE4042594A1 (de) * 1990-11-05 1992-07-02 Nukem Gmbh Verfahren zur herstellung von aluminiumoxidkugeln
DE4035089C1 (en) * 1990-11-05 1992-04-23 Degussa Ag, 6000 Frankfurt, De Aluminium oxide spheres for adsorbent, chromatography, catalyst etc. - with defined surface area, density, pore vol, breaking strength and narrow particles size distribution etc.
JPH1017321A (ja) * 1996-06-27 1998-01-20 Catalysts & Chem Ind Co Ltd アルミナ小球体およびその製造方法
KR100387218B1 (ko) * 1996-12-20 2003-10-04 주식회사 효성 알루미나 촉매지지체의 기공량 증진방법
CN103204526B (zh) * 2012-01-15 2016-02-17 晟通科技集团有限公司 一种制备氧化铝溶胶的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL76445C (it) * 1950-03-08
RO63835A (fr) * 1972-03-01 1979-08-15 Procede pour la preparation du chlorure d'aluminium basique
IT949755B (it) * 1972-03-01 1973-06-11 Snam Progetti Procedimento per la produzione di cloroidrossidi di alluminio a te nore controllato di cloro
JPS5311796B2 (it) * 1972-08-31 1978-04-24
DE2504463A1 (de) * 1975-02-04 1976-08-05 Kali Chemie Ag Verfahren zur herstellung von kugelfoermigen tonerdehaltigen teilchen
US3979334A (en) * 1975-04-16 1976-09-07 Universal Oil Products Company Manufacture of spheroidal alumina particles
US4032472A (en) * 1976-01-07 1977-06-28 Uop Inc. Manufacture of alumina sol
JPS53104597A (en) * 1977-02-25 1978-09-11 Nitsuki Yunibaasaru Kk Method of making spherical alumina

Also Published As

Publication number Publication date
JPS627125B2 (it) 1987-02-16
GB2035280B (en) 1982-09-29
JPS5560022A (en) 1980-05-06
IT1121490B (it) 1986-04-02
FR2439747A1 (fr) 1980-05-23
US4309312A (en) 1982-01-05
GB2035280A (en) 1980-06-18
FR2439747B1 (it) 1982-10-29
DE2942768A1 (de) 1980-05-08
DE2942768C2 (de) 1986-05-07

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