BE840770A - PROCESS FOR PREPARING SPHEROIDAL ALUMINA PARTICLES - Google Patents

PROCESS FOR PREPARING SPHEROIDAL ALUMINA PARTICLES

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
French (fr)
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/en

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)
  • Environmental & Geological Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (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 PROCESS FOR PREPARING SPHEROIDAL ALUMINA PARTICLES BE840770A (en)

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 (en) 1976-08-02

Family

ID=24271712

Family Applications (1)

Application Number Title Priority Date Filing Date
BE166175A BE840770A (en) 1975-04-16 1976-04-15 PROCESS FOR PREPARING SPHEROIDAL ALUMINA PARTICLES

Country Status (14)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2935914A1 (en) * 1979-09-06 1981-04-02 Kali-Chemie Ag, 3000 Hannover METHOD FOR PRODUCING SPHERICAL SHAPED BODIES BASED ON AL (ARROW DOWN) 2 (ARROW DOWN) O (ARROW DOWN) 3 (ARROW DOWN) AND / OR SIO (ARROW DOWN) 2 (ARROW DOWN)
FR2546513B3 (en) * 1983-03-25 1986-01-03 Micro Rayonnements Cie Fse DRYING AND SPRAYING ASSEMBLY FOR CLAY OR KAOLINIC BARBOTINES
FR2577816A1 (en) * 1985-02-28 1986-08-29 Skid Sa METHOD AND DEVICE FOR WELDING SKIS BY SPRAYING
JPH11319584A (en) 1998-05-11 1999-11-24 Nippon Kecchen Kk Preparation of particulate carrier for catalyst and preparation of catalyst using the carrier
US6562120B2 (en) * 1998-09-08 2003-05-13 Elementis Uk Limited Granular pigments
GB9819591D0 (en) * 1998-09-08 1998-11-04 Elementis Uk Limited Granular pigments
CN103041868B (en) * 2011-10-17 2014-10-22 中国石油化工股份有限公司 Preparation method of spherical catalyst carrier
CN103041869B (en) * 2011-10-17 2015-04-15 中国石油化工股份有限公司 Preparation method of spherical catalyst carrier
CN103041837B (en) * 2011-10-17 2015-10-21 中国石油化工股份有限公司 A kind of preparation method of spherical hydrogenation catalyst
AU2015212412B2 (en) 2014-01-31 2019-07-11 SABIC Agri-Nutrients Company Fertilizer capsule comprising one or more cores and method of making same
CN106458780B (en) 2014-05-05 2019-11-12 赛贝克环球科技公司 The granular fertilizer of coating, its manufacturing method and use
EP3325491B1 (en) 2015-07-20 2020-05-20 SABIC Global Technologies B.V. Fertilizer composition and methods of making and using same
WO2017013572A1 (en) 2015-07-20 2017-01-26 Sabic Global Technologies B.V. Fertilizer composition and methods of making and using same
US10865159B2 (en) 2015-11-16 2020-12-15 Sabic Global Technologies B.V. Methods of manufacture for coated granular fertilizers
BR112018009874B1 (en) 2015-11-16 2022-10-04 SABIC Global Technologies B.V COATED GRANULAR FERTILIZERS, MANUFACTURING METHODS AND USES THEREOF
WO2017137902A1 (en) * 2016-02-08 2017-08-17 Sabic Global Technologies B.V. Method of making a fertilizer seed core
EP3612508A1 (en) 2017-04-19 2020-02-26 SABIC Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor in separate particles
EP3612506A1 (en) 2017-04-19 2020-02-26 SABIC Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor separated within the same particle
AU2018255908B2 (en) 2017-04-20 2023-06-29 SABIC Agri-Nutrients Company 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 (en) * 1951-10-24 1954-06-03 Arthur Eric Jarvis Vickers Refractory cement or mortar
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
IT1060717B (en) 1982-08-20
DE2615868A1 (en) 1976-10-21
DE2615868B2 (en) 1980-07-17
JPS569472B2 (en) 1981-03-02
BR7602252A (en) 1976-10-12
ES447090A1 (en) 1977-06-16
NL7604003A (en) 1976-10-19
IN145499B (en) 1978-10-21
DE2615868C3 (en) 1981-04-02
ZA762048B (en) 1977-04-27
RO69972A (en) 1981-08-30
FR2307576A1 (en) 1976-11-12
AU1273876A (en) 1977-10-13
AR208228A1 (en) 1976-12-09
JPS51135910A (en) 1976-11-25
PT64996B (en) 1977-09-08
GB1535807A (en) 1978-12-13
PT64996A (en) 1976-05-01

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