RO69972A - Procede d'obtenir l'alumine spheroidalle - Google Patents

Procede d'obtenir l'alumine spheroidalle

Info

Publication number
RO69972A
RO69972A RO7685606A RO8560676A RO69972A RO 69972 A RO69972 A RO 69972A RO 7685606 A RO7685606 A RO 7685606A RO 8560676 A RO8560676 A RO 8560676A RO 69972 A RO69972 A RO 69972A
Authority
RO
Romania
Prior art keywords
sferoidal
aluminum
procedure
obtaining
sferoidal aluminum
Prior art date
Application number
RO7685606A
Other languages
English (en)
Romanian (ro)
Inventor
Alan D Wilks
Rusell W Johnson
Original Assignee
Uop Inc,Us
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 Uop Inc,Us filed Critical Uop Inc,Us
Publication of RO69972A publication Critical patent/RO69972A/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)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
RO7685606A 1975-04-16 1976-04-03 Procede d'obtenir l'alumine spheroidalle RO69972A (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
RO69972A true RO69972A (fr) 1981-08-30

Family

ID=24271712

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7685606A RO69972A (fr) 1975-04-16 1976-04-03 Procede d'obtenir l'alumine spheroidalle

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
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
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
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
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
CA2938002C (fr) 2014-01-31 2022-11-15 Saudi Basic Industries Corporation Noyaux encapsules d'engrais azote contenant un liant et un additif et procede de fabrication
EP3140264B1 (fr) 2014-05-05 2020-04-15 SABIC Global Technologies B.V. Engrais granulaires enrobés, procédés de fabrication de ceux-ci, et utilisations associées
WO2017013573A1 (fr) 2015-07-20 2017-01-26 Sabic Global Technologies B.V. Composition d'engrais et procédés de fabrication et d'utilisation de cette dernière
CA2993131A1 (fr) 2015-07-20 2017-01-26 Sabic Global Technologies B.V. Particule de noyau d'engrais extrudee comprenant un inhibiteur d'urease et/ou un inhibiteur de nitrification, et un liant connexe
WO2017087264A1 (fr) 2015-11-16 2017-05-26 Sabic Global Technologies B.V. Engrais granulaires enrobés, procédés de fabrication de ceux-ci, et utilisations associées
BR112018009872B1 (pt) 2015-11-16 2022-11-16 Sabic Global Technologies B.V. Processo de fabricação de um fertilizante revestido
WO2017137902A1 (fr) * 2016-02-08 2017-08-17 Sabic Global Technologies B.V. Procédé de fabrication de noyau d'ensemencement d'engrais
CN110770194A (zh) 2017-04-19 2020-02-07 沙特基础工业全球技术公司 具有在单独颗粒中的尿素酶抑制剂和硝化抑制剂的增效肥料
US11306037B2 (en) 2017-04-19 2022-04-19 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification separated within the same particle
EP3612507A1 (fr) 2017-04-20 2020-02-26 SABIC Global Technologies B.V. Engrais à efficacité améliorée comportant une composition de poudre enrobée
WO2019030671A1 (fr) 2017-08-09 2019-02-14 Sabic Global Technologies B.V. Granulés d'engrais extrudés comportant des inhibiteurs d'uréase et/ou de nitrification

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
AU1273876A (en) 1977-10-13
DE2615868C3 (de) 1981-04-02
BR7602252A (pt) 1976-10-12
BE840770A (fr) 1976-08-02
ZA762048B (en) 1977-04-27
IT1060717B (it) 1982-08-20
NL7604003A (nl) 1976-10-19
PT64996A (en) 1976-05-01
FR2307576A1 (fr) 1976-11-12
ES447090A1 (es) 1977-06-16
JPS569472B2 (fr) 1981-03-02
IN145499B (fr) 1978-10-21
JPS51135910A (en) 1976-11-25
DE2615868A1 (de) 1976-10-21
GB1535807A (en) 1978-12-13
PT64996B (en) 1977-09-08
DE2615868B2 (de) 1980-07-17
AR208228A1 (es) 1976-12-09

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