BE840770A - Procede de preparation de particules d'alumine spheroidales - Google Patents

Procede de preparation de particules d'alumine spheroidales

Info

Publication number
BE840770A
BE840770A BE166175A BE166175A BE840770A BE 840770 A BE840770 A BE 840770A BE 166175 A BE166175 A BE 166175A BE 166175 A BE166175 A BE 166175A BE 840770 A BE840770 A BE 840770A
Authority
BE
Belgium
Prior art keywords
alumina particles
spheroidal alumina
preparing spheroidal
preparing
particles
Prior art date
Application number
BE166175A
Other languages
English (en)
Inventor
A D Wilks
R W Johnson
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 filed Critical
Publication of BE840770A publication Critical patent/BE840770A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/30Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/308Thermal decomposition of nitrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/20Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04Alumina
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • C01P2004/32Spheres
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/11Powder tap density
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/14Pore volume
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/16Pore diameter
    • C01P2006/17Pore diameter distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/21Attrition-index or crushing strength of granulates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Geology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BE166175A 1975-04-16 1976-04-15 Procede de preparation de particules d'alumine spheroidales BE840770A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56854275A 1975-04-16 1975-04-16

Publications (1)

Publication Number Publication Date
BE840770A true BE840770A (fr) 1976-08-02

Family

ID=24271712

Family Applications (1)

Application Number Title Priority Date Filing Date
BE166175A BE840770A (fr) 1975-04-16 1976-04-15 Procede de preparation de particules d'alumine spheroidales

Country Status (14)

Country Link
JP (1) JPS51135910A (fr)
AR (1) AR208228A1 (fr)
BE (1) BE840770A (fr)
BR (1) BR7602252A (fr)
DE (1) DE2615868C3 (fr)
ES (1) ES447090A1 (fr)
FR (1) FR2307576A1 (fr)
GB (1) GB1535807A (fr)
IN (1) IN145499B (fr)
IT (1) IT1060717B (fr)
NL (1) NL7604003A (fr)
PT (1) PT64996B (fr)
RO (1) RO69972A (fr)
ZA (1) ZA762048B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2935914A1 (de) * 1979-09-06 1981-04-02 Kali-Chemie Ag, 3000 Hannover Verfahren zur herstellung von kugelfoermigen formkoerpern auf basis al(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)3(pfeil abwaerts) und/oder sio(pfeil abwaerts)2(pfeil abwaerts)
FR2546513B3 (fr) * 1983-03-25 1986-01-03 Micro Rayonnements Cie Fse Ensemble de sechage et pulverisation pour barbotines argileuses ou kaoliniques
FR2577816A1 (fr) * 1985-02-28 1986-08-29 Skid Sa Procede et dispositif pour le fartage de skis par pulverisation
JPH11319584A (ja) 1998-05-11 1999-11-24 Nippon Kecchen Kk 粒状触媒用担体の製造方法および該担体を用いた触媒の製造方法
GB9819591D0 (en) * 1998-09-08 1998-11-04 Elementis Uk Limited Granular pigments
US6562120B2 (en) * 1998-09-08 2003-05-13 Elementis Uk Limited Granular pigments
CN103041868B (zh) * 2011-10-17 2014-10-22 中国石油化工股份有限公司 一种球形催化剂载体的制备方法
CN103041837B (zh) * 2011-10-17 2015-10-21 中国石油化工股份有限公司 一种球形加氢催化剂的制备方法
CN103041869B (zh) * 2011-10-17 2015-04-15 中国石油化工股份有限公司 球形催化剂载体的制备方法
US10640430B2 (en) 2014-01-31 2020-05-05 Saudi Basic Industries Corporation Fertilizer capsule comprising one or more cores and method of making same
EP3693351A3 (fr) 2014-05-05 2020-12-09 SABIC Global Technologies B.V. Engrais granulaires enrobés, leurs procédés de fabrication et leurs utilisations
EP3325431B1 (fr) 2015-07-20 2021-08-25 SABIC Global Technologies B.V. Composition d'engrais et ses procédés de fabrication et d'utilisation
CN108026118B (zh) 2015-07-20 2021-11-05 沙特基础工业全球技术公司 肥料组合物及其制备方法和使用方法
US11124463B2 (en) 2015-11-16 2021-09-21 Sabic Global Technologies B.V. Coated granular fertilizers, methods of manufacture thereof, and uses thereof
WO2017087265A1 (fr) 2015-11-16 2017-05-26 Sabic Global Technologies B.V. Procédés de fabrication d'engrais granulaires enrobés
WO2017137902A1 (fr) * 2016-02-08 2017-08-17 Sabic Global Technologies B.V. Procédé de fabrication de noyau d'ensemencement d'engrais
EP3612508B1 (fr) 2017-04-19 2026-01-28 Sabic Agri-Nutrients Company Engrais à efficacité améliorée comportant un inhibiteur d'uréase et un inhibiteur de nitrification dans des particules séparées
EP3612506A1 (fr) 2017-04-19 2020-02-26 SABIC Global Technologies B.V. Engrais à efficacité améliorée comportant un inhibiteur d'uréase et un inhibiteur de nitrification séparés à l'intérieur de la même particule
US11345645B2 (en) 2017-04-20 2022-05-31 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with embedded powder composition
US11021409B2 (en) 2017-08-09 2021-06-01 Sabic Global Technologies B.V. Extruded fertilizer granules with urease and/or nitrification inhibitors

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE912911C (de) * 1951-10-24 1954-06-03 Arthur Eric Jarvis Vickers Feuerfester Zement oder Moertel
US3154603A (en) * 1961-08-02 1964-10-27 American Cyanamid Co Process for the preparation of spherical contact particles

Also Published As

Publication number Publication date
DE2615868C3 (de) 1981-04-02
RO69972A (fr) 1981-08-30
IT1060717B (it) 1982-08-20
JPS569472B2 (fr) 1981-03-02
IN145499B (fr) 1978-10-21
GB1535807A (en) 1978-12-13
AR208228A1 (es) 1976-12-09
JPS51135910A (en) 1976-11-25
ZA762048B (en) 1977-04-27
PT64996B (en) 1977-09-08
BR7602252A (pt) 1976-10-12
PT64996A (en) 1976-05-01
FR2307576A1 (fr) 1976-11-12
NL7604003A (nl) 1976-10-19
AU1273876A (en) 1977-10-13
DE2615868A1 (de) 1976-10-21
DE2615868B2 (de) 1980-07-17
ES447090A1 (es) 1977-06-16

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