IT8124181A0 - SILICA POLYMORPHOUS AND PROCEDURE FOR ITS PREPARATION - Google Patents

SILICA POLYMORPHOUS AND PROCEDURE FOR ITS PREPARATION

Info

Publication number
IT8124181A0
IT8124181A0 IT8124181A IT2418181A IT8124181A0 IT 8124181 A0 IT8124181 A0 IT 8124181A0 IT 8124181 A IT8124181 A IT 8124181A IT 2418181 A IT2418181 A IT 2418181A IT 8124181 A0 IT8124181 A0 IT 8124181A0
Authority
IT
Italy
Prior art keywords
polymorphous
silica
procedure
preparation
silica polymorphous
Prior art date
Application number
IT8124181A
Other languages
Italian (it)
Other versions
IT1168175B (en
Inventor
Ramzi Yanni Saleh
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
Application filed by Norton Co filed Critical Norton Co
Publication of IT8124181A0 publication Critical patent/IT8124181A0/en
Application granted granted Critical
Publication of IT1168175B publication Critical patent/IT1168175B/en

Links

Classifications

    • 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
    • C07C4/02—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
    • C07C4/06—Catalytic processes
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • 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
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
    • B01J29/035—Microporous crystalline materials not having base exchange properties, such as silica polymorphs, e.g. silicalites
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/82—Phosphates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
    • C01B37/02—Crystalline silica-polymorphs, e.g. silicalites dealuminated aluminosilicate zeolites
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2767—Changing the number of side-chains
    • C07C5/277—Catalytic processes
    • C07C5/2778—Catalytic processes with inorganic acids; with salts or anhydrides of acids
    • C07C5/2783—Acids of phosphorus; Salts thereof; Phosphorus oxides
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/40—Special temperature treatment, i.e. other than just for template removal
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00—Catalysts comprising molecular sieves
    • C07C2529/03—Catalysts comprising molecular sieves not having base-exchange properties
    • C07C2529/035—Crystalline silica polymorphs, e.g. silicalites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
IT8124181A 1980-09-26 1981-09-28 SILICA POLYMORPH AND PROCEDURE FOR ITS PREPARATION IT1168175B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19119880A 1980-09-26 1980-09-26

Publications (2)

Publication Number Publication Date
IT8124181A0 true IT8124181A0 (en) 1981-09-28
IT1168175B IT1168175B (en) 1987-05-20

Family

ID=22704507

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8124181A IT1168175B (en) 1980-09-26 1981-09-28 SILICA POLYMORPH AND PROCEDURE FOR ITS PREPARATION

Country Status (6)

Country Link
JP (1) JPS5782117A (en)
DE (1) DE3137729A1 (en)
FR (1) FR2491051A1 (en)
GB (1) GB2084552A (en)
IT (1) IT1168175B (en)
NL (1) NL8104347A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452909A (en) * 1982-09-13 1984-06-05 E. I. Du Pont De Nemours And Company Process for coating crystalline silica polymorphs
LU85285A1 (en) * 1984-04-03 1985-11-27 Labofina Sa PROCESS FOR ISOMERIZING OLEFINS
US4764356A (en) * 1984-12-21 1988-08-16 Exxon Research & Engineering Co. Process for synthesizing a zeolite catalyst on a pH controlled basis to improve catalyst life
CN1034223C (en) * 1993-03-29 1997-03-12 中国石油化工总公司 Cracking catalyst for processing low-carbon olefines
CN1034586C (en) * 1993-11-05 1997-04-16 中国石油化工总公司 Catalytic conversion method of low-carbon olefines high-output

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941871A (en) * 1973-11-02 1976-03-02 Mobil Oil Corporation Crystalline silicates and method of preparing the same
DE2510700C2 (en) * 1975-03-12 1983-01-27 Basf Ag, 6700 Ludwigshafen Process for the production of zeolites with improved resistance to high temperatures and acids
DE2909930C2 (en) * 1979-03-14 1984-05-10 Basf Ag, 6700 Ludwigshafen Novel crystalline SiO? 2? Modification and process for its preparation
KR970008992A (en) * 1995-07-25 1997-02-24 김광호 Low Power Automatic Local Registration Method for Digital Cordless Telephones

Also Published As

Publication number Publication date
FR2491051B1 (en) 1983-12-16
DE3137729A1 (en) 1982-06-16
IT1168175B (en) 1987-05-20
JPS5782117A (en) 1982-05-22
GB2084552A (en) 1982-04-15
FR2491051A1 (en) 1982-04-02
NL8104347A (en) 1982-04-16

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