MX167792B - Particulas de alumina - Google Patents

Particulas de alumina

Info

Publication number
MX167792B
MX167792B MX022405A MX2240590A MX167792B MX 167792 B MX167792 B MX 167792B MX 022405 A MX022405 A MX 022405A MX 2240590 A MX2240590 A MX 2240590A MX 167792 B MX167792 B MX 167792B
Authority
MX
Mexico
Prior art keywords
less
alumina particles
weight percent
fluidizing
microns
Prior art date
Application number
MX022405A
Other languages
English (en)
Inventor
Thomas Szymanski
Kenneth R Butcher
Donald J Remus
Original Assignee
Norton Co
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
Priority claimed from US07/407,845 external-priority patent/US4952389A/en
Application filed by Norton Co filed Critical Norton Co
Publication of MX167792B publication Critical patent/MX167792B/es

Links

Classifications

    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/612—Surface area less than 10 m2/g

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

La presente invención se refiere a partículas de alúmina friables, que tienen un contenido de alúmina por lo menos de aproximadamente 98.5 por ciento en peso, un área de superficie menor que alrededor de 1 m2/g, una resistencia a la frotación menor que aproximadamente 0.3 por ciento en peso plor hora cuando se prueba en un aparato de chorro de aire, un tamaño, de partícula promedio que varía de alrededor de 30 a aproximadamente 110 micras, una densidad de fluidificación menor que aproximadamente 1.9 g/cm3, un tamaño generalmente esférico, y porosidad suficiente para sostener cantidades catalíticas de metales catalíticos.
MX022405A 1989-09-15 1990-09-14 Particulas de alumina MX167792B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/407,845 US4952389A (en) 1989-09-15 1989-09-15 Alumina particles

Publications (1)

Publication Number Publication Date
MX167792B true MX167792B (es) 1993-04-12

Family

ID=23613766

Family Applications (1)

Application Number Title Priority Date Filing Date
MX022405A MX167792B (es) 1989-09-15 1990-09-14 Particulas de alumina

Country Status (6)

Country Link
KR (1) KR0144145B1 (es)
BR (1) BR9004600A (es)
MX (1) MX167792B (es)
MY (1) MY106009A (es)
NO (1) NO179099C (es)
NZ (1) NZ234648A (es)

Also Published As

Publication number Publication date
NO904027D0 (no) 1990-09-14
BR9004600A (pt) 1991-09-10
MY106009A (en) 1995-02-28
NO179099B (no) 1996-04-29
NO179099C (no) 1996-08-07
KR910006181A (ko) 1991-04-27
KR0144145B1 (ko) 1998-07-15
NO904027L (no) 1991-03-18
NZ234648A (en) 1992-10-28

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