NL7702645A - Werkwijze voor het behandelen van zeer zuiver aluminiumoxyde. - Google Patents

Werkwijze voor het behandelen van zeer zuiver aluminiumoxyde.

Info

Publication number
NL7702645A
NL7702645A NL7702645A NL7702645A NL7702645A NL 7702645 A NL7702645 A NL 7702645A NL 7702645 A NL7702645 A NL 7702645A NL 7702645 A NL7702645 A NL 7702645A NL 7702645 A NL7702645 A NL 7702645A
Authority
NL
Netherlands
Prior art keywords
treating
aluminum oxide
pure aluminum
pure
oxide
Prior art date
Application number
NL7702645A
Other languages
English (en)
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of NL7702645A publication Critical patent/NL7702645A/nl

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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • 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
    • B01J23/84—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 arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/053—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/08—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
    • C07C4/12—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene
    • C07C4/14—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene splitting taking place at an aromatic-aliphatic bond
    • C07C4/20—Hydrogen being formed in situ, e.g. from steam
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
    • C07C2521/04—Alumina
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
    • C07C2523/04—Alkali metals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/24—Chromium, molybdenum or tungsten
    • C07C2523/26—Chromium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/74—Iron group metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
NL7702645A 1976-03-11 1977-03-11 Werkwijze voor het behandelen van zeer zuiver aluminiumoxyde. NL7702645A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66583476A 1976-03-11 1976-03-11

Publications (1)

Publication Number Publication Date
NL7702645A true NL7702645A (nl) 1977-09-13

Family

ID=24671748

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7702645A NL7702645A (nl) 1976-03-11 1977-03-11 Werkwijze voor het behandelen van zeer zuiver aluminiumoxyde.

Country Status (10)

Country Link
US (2) US4147734A (nl)
JP (1) JPS52114498A (nl)
BE (1) BE852047A (nl)
BR (1) BR7700889A (nl)
CA (1) CA1091642A (nl)
DE (1) DE2658369A1 (nl)
FR (1) FR2343504A1 (nl)
GB (1) GB1567544A (nl)
NL (1) NL7702645A (nl)
ZA (1) ZA77716B (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU877836A1 (ru) * 1978-11-23 1984-01-30 Предприятие П/Я Р-6913 Катализатор дл деалкилировани алкилбензолов с вод ным паром
US5248765A (en) * 1991-12-20 1993-09-28 Abbott Laboratories Separation of phytate from plant protein and dietary fiber using alumina
US6706660B2 (en) * 2001-12-18 2004-03-16 Caterpillar Inc Metal/metal oxide doped oxide catalysts having high deNOx selectivity for lean NOx exhaust aftertreatment systems
EP1592717A1 (en) * 2002-12-17 2005-11-09 O & D Trading Limited Supported olefin polymerization catalyst
US8168562B2 (en) * 2006-02-02 2012-05-01 Lyondell Chemical Technology, L.P. Preparation of palladium-gold catalysts
CN112250427A (zh) * 2020-10-21 2021-01-22 苏州晶瓷超硬材料有限公司 一种高纯氧化硅陶瓷的烧结工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2960545A (en) * 1958-11-17 1960-11-15 Union Oil Co Demethylation process for pseudocumene
US2977326A (en) * 1958-12-15 1961-03-28 Universal Oil Prod Co Activated refractory inorganic oxide
US3240697A (en) * 1964-12-17 1966-03-15 Socony Mobil Oil Co Inc Catalytic conversion with activated catalyst
FR1554586A (nl) * 1966-04-28 1969-01-24
US3812196A (en) * 1970-11-30 1974-05-21 Mitsubishi Petrochemical Co Catalytic steam dealkylation
US3932547A (en) * 1972-05-16 1976-01-13 Exxon Research And Engineering Company Hydrogenation of organic compounds
US4019978A (en) * 1972-08-29 1977-04-26 Laporte Industries Limited Process for the production of alumina
JPS522892B2 (nl) * 1972-09-30 1977-01-25

Also Published As

Publication number Publication date
BR7700889A (pt) 1977-10-18
ZA77716B (en) 1978-06-28
BE852047A (fr) 1977-09-05
CA1091642A (en) 1980-12-16
FR2343504A1 (fr) 1977-10-07
US4139491A (en) 1979-02-13
GB1567544A (en) 1980-05-14
US4147734A (en) 1979-04-03
DE2658369A1 (de) 1977-09-15
JPS52114498A (en) 1977-09-26

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NL7702645A (nl) Werkwijze voor het behandelen van zeer zuiver aluminiumoxyde.

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BN A decision not to publish the application has become irrevocable