ZA836744B - Process for coating crystalline silica polymorphs - Google Patents

Process for coating crystalline silica polymorphs

Info

Publication number
ZA836744B
ZA836744B ZA836744A ZA836744A ZA836744B ZA 836744 B ZA836744 B ZA 836744B ZA 836744 A ZA836744 A ZA 836744A ZA 836744 A ZA836744 A ZA 836744A ZA 836744 B ZA836744 B ZA 836744B
Authority
ZA
South Africa
Prior art keywords
crystalline silica
coating crystalline
silica polymorphs
polymorphs
coating
Prior art date
Application number
ZA836744A
Other languages
English (en)
Inventor
Joo Yang Duck
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of ZA836744B publication Critical patent/ZA836744B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/02—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
    • C07C2/04—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation
    • C07C2/06—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation of alkenes, i.e. acyclic hydrocarbons having only one carbon-to-carbon double bond
    • C07C2/08—Catalytic processes
    • C07C2/12—Catalytic processes with crystalline alumino-silicates or with catalysts comprising molecular sieves
    • 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
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—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
    • 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
    • B01J29/88—Ferrosilicates; Ferroaluminosilicates
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0217—Pretreatment of the substrate before coating
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
    • C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
    • C07C2/864—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an alcohol
    • 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
    • B01J2229/10—After treatment, characterised by the effect to be obtained
    • B01J2229/12—After treatment, characterised by the effect to be obtained to alter the outside of the crystallites, e.g. selectivation
    • 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
    • B01J2229/32—Reaction with silicon compounds, e.g. TEOS, siliconfluoride
    • 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
    • C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • C07C2521/08—Silica
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00—Catalysts comprising molecular sieves
    • C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/22—MFI, e.g. ZSM-5. silicalite, LZ-241

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silicon Compounds (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
ZA836744A 1982-09-13 1983-09-12 Process for coating crystalline silica polymorphs ZA836744B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/417,683 US4452909A (en) 1982-09-13 1982-09-13 Process for coating crystalline silica polymorphs

Publications (1)

Publication Number Publication Date
ZA836744B true ZA836744B (en) 1985-04-24

Family

ID=23654982

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA836744A ZA836744B (en) 1982-09-13 1983-09-12 Process for coating crystalline silica polymorphs

Country Status (8)

Country Link
US (1) US4452909A (fr)
EP (1) EP0106158B1 (fr)
JP (1) JPS5964519A (fr)
AU (1) AU570011B2 (fr)
CA (1) CA1201700A (fr)
DE (1) DE3379835D1 (fr)
NZ (1) NZ205555A (fr)
ZA (1) ZA836744B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU568400B2 (en) * 1983-08-31 1987-12-24 E.I. Du Pont De Nemours And Company Preparation of silica polymorphs from silicon
US4658079A (en) * 1984-04-09 1987-04-14 Mobil Oil Corporation Production of lubricant range hydrocarbons from light olefins
US4716135A (en) * 1984-04-09 1987-12-29 Mobil Oil Corporation Organophosphorus-modified zeolites and method of preparation
US4683334A (en) * 1985-04-30 1987-07-28 E. I. Du Pont De Nemours & Company Modified 8-ring zeolites as catalysts for conversion of methanol and ammonia to dimethylamine
US5290533A (en) * 1985-12-19 1994-03-01 Eniricerche S.P.A. Method for production of a coated substrate with controlled surface characteristics
FR2599354B1 (fr) * 1986-05-27 1988-08-26 Rhone Poulenc Spec Chim Cogranules silicate, silice, procede d'obtention et utilisation dans les compositions detergentes
FR2613377B1 (fr) * 1987-03-30 1989-06-16 Rhone Poulenc Chimie Utilisation dans les compositions detergentes pour lave-linge de co-granules silicate-silice
US4902663A (en) * 1987-10-28 1990-02-20 Mobil Oil Corp. Active amorphous mixed oxides
US5026531A (en) * 1989-02-10 1991-06-25 Uop Silicate treatment of molecular sieve agglomerates
US5045295A (en) * 1989-02-10 1991-09-03 Uop Silicate treatment of molecular sieve agglomerates
JPH0493362A (ja) * 1990-08-10 1992-03-26 Toshiba Ceramics Co Ltd 電子部品封止用充填剤およびその製造方法
IT1314263B1 (it) * 1999-12-03 2002-12-06 Enichem Spa Processo per la preparazione di catalizzatori zeolitici.
WO2001060746A1 (fr) 2000-02-16 2001-08-23 Exxonmobil Chemical Patents Inc. Traitement de tamis moleculaires avec des composes contenant du silicium
US20090301277A1 (en) * 2008-06-09 2009-12-10 Aleksander Ipatenco Saw With Moveable Material Support Surface

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL135667C (fr) * 1961-08-19
DE1176105B (de) * 1962-02-19 1964-08-20 Bayer Ag Verfahren zum Herstellen mit einem Bindemittel abgebundener Molekularsiebformkoerper
US3702886A (en) * 1969-10-10 1972-11-14 Mobil Oil Corp Crystalline zeolite zsm-5 and method of preparing the same
US3709979A (en) * 1970-04-23 1973-01-09 Mobil Oil Corp Crystalline zeolite zsm-11
US3753929A (en) * 1970-09-16 1973-08-21 American Cyanamid Co Strike incorporation of molecular sieves for fluid cracking catalysts
US3832449A (en) * 1971-03-18 1974-08-27 Mobil Oil Corp Crystalline zeolite zsm{14 12
US4085131A (en) * 1973-12-27 1978-04-18 Pearlman Martin B Surface treatment
US3965208A (en) * 1975-01-06 1976-06-22 Mobil Oil Corporation Methylation of toluene
US4100215A (en) * 1974-09-25 1978-07-11 Mobil Oil Corporation Selective production of para-xylene
SE420596B (sv) * 1975-03-25 1981-10-19 Osaka Packing Formad kropp av amorf kiseldioxid, eventuellt innehallande kalciumkarbonat, sett att framstella en formad kropp av amorf kiseldioxid samt partikel av amorf kiseldioxid for framstellning av en formad kropp
US4061724A (en) * 1975-09-22 1977-12-06 Union Carbide Corporation Crystalline silica
US4090981A (en) * 1976-09-23 1978-05-23 Mobile Oil Corporation Catalyst for selective production of para dialkyl substituted benzenes
US4203869A (en) * 1976-09-24 1980-05-20 Mobil Oil Corporation ZSM-5 Containing aluminum-free shells on its surface
US4073865A (en) * 1976-09-27 1978-02-14 Union Carbide Corporation Silica polymorph and process for preparing same
US4104294A (en) * 1977-11-10 1978-08-01 Union Carbide Corporation Crystalline silicates and method for preparing same
US4325929A (en) * 1979-02-16 1982-04-20 Union Oil Company Of California Method of preparing crystalline silica polymorph
US4283306A (en) * 1979-04-20 1981-08-11 E. I. Du Pont De Nemours And Company Crystalline silica and use in alkylation of aromatics
US4332699A (en) * 1980-07-10 1982-06-01 W. R. Grace & Co. Catalyst preparation
GB2084552A (en) * 1980-09-26 1982-04-15 Norton Co Silica polymorph

Also Published As

Publication number Publication date
NZ205555A (en) 1985-12-13
JPH046646B2 (fr) 1992-02-06
US4452909A (en) 1984-06-05
EP0106158A2 (fr) 1984-04-25
CA1201700A (fr) 1986-03-11
JPS5964519A (ja) 1984-04-12
EP0106158A3 (en) 1986-07-02
DE3379835D1 (en) 1989-06-15
EP0106158B1 (fr) 1989-05-10
AU1897283A (en) 1984-03-22
AU570011B2 (en) 1988-03-03

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