IT7850321A0 - Rezza e suo impiego come supporto procedimento per la preparazione di per catalizzatori silice porosa ad alto grado di pu - Google Patents

Rezza e suo impiego come supporto procedimento per la preparazione di per catalizzatori silice porosa ad alto grado di pu

Info

Publication number
IT7850321A0
IT7850321A0 IT7850321A IT5032178A IT7850321A0 IT 7850321 A0 IT7850321 A0 IT 7850321A0 IT 7850321 A IT7850321 A IT 7850321A IT 5032178 A IT5032178 A IT 5032178A IT 7850321 A0 IT7850321 A0 IT 7850321A0
Authority
IT
Italy
Prior art keywords
rezza
preparation
degree
porous silica
silica catalysts
Prior art date
Application number
IT7850321A
Other languages
English (en)
Other versions
IT1107453B (it
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of IT7850321A0 publication Critical patent/IT7850321A0/it
Application granted granted Critical
Publication of IT1107453B publication Critical patent/IT1107453B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/16—Preparation of silica xerogels
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/906—Comminution of transition metal containing catalyst
    • 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
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/908—Containing catalyst of specified particle size

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
  • Polymerization Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT50321/78A 1977-07-18 1978-07-14 Procedimento per la preparazione di silice porosa ad alto grado di purezza e suo impiego come supporto per catalizzatori IT1107453B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7707961A NL7707961A (nl) 1977-07-18 1977-07-18 Werkwijze ter bereiding van poreus, zuiver siliciumdioxyde.

Publications (2)

Publication Number Publication Date
IT7850321A0 true IT7850321A0 (it) 1978-07-14
IT1107453B IT1107453B (it) 1985-11-25

Family

ID=19828897

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50321/78A IT1107453B (it) 1977-07-18 1978-07-14 Procedimento per la preparazione di silice porosa ad alto grado di purezza e suo impiego come supporto per catalizzatori

Country Status (12)

Country Link
US (2) US4225464A (it)
JP (1) JPS5421992A (it)
AT (1) AT373853B (it)
BE (1) BE868792A (it)
CA (1) CA1126244A (it)
DE (1) DE2831561A1 (it)
ES (1) ES471789A1 (it)
FR (1) FR2398021A1 (it)
GB (1) GB2001044B (it)
IT (1) IT1107453B (it)
NL (2) NL7707961A (it)
SE (1) SE7807949L (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301034A (en) * 1980-05-21 1981-11-17 Phillips Petroleum Company Silica from single phase controlled hydrolysis of silicate ester
NL8005856A (nl) * 1980-10-24 1982-05-17 Stamicarbon Bereiding van poreus, zuiver siliciumdioxyde en van chroomoxyde-op-siliciumdioxyde katalysatoren.
US4482635A (en) * 1982-03-29 1984-11-13 E. I. Du Pont De Nemours & Company Composition, indicator, process and device for detecting carbon monoxide
DE3525495C1 (de) * 1985-07-17 1987-01-02 Heraeus Schott Quarzschmelze Verfahren zur Herstellung von Gegenstaenden aus synthetischem Siliziumdioxid
NL8901893A (nl) * 1989-07-21 1991-02-18 Veg Gasinstituut Nv Katalysator voor de selectieve oxidatie van zwavelverbindingen tot elementaire zwavel, werkwijze voor de bereiding van een dergelijke katalysator en werkwijze voor de selectieve oxidatie van zwavelverbindingen tot elementaire zwavel.
IT1240673B (it) * 1990-04-24 1993-12-17 Tenav Microsfere di aerogels di ossidi inorganici a stretta distribuzione dei diametri dei pori e metodo per la loro preparazione
BE1005718A3 (fr) * 1992-03-10 1993-12-28 Solvay Procede pour la fabrication d'une poudre microspheroidale a faible dispersite, poudre microspheroidale a faible dispersite ainsi obtenue, catalyseurs pour la polymerisation d'alpha-olefines et procede de polymerisation d'alpha-olefines.
GB9210265D0 (en) * 1992-05-13 1992-07-01 Unilever Plc Catalysts and catalyst supports
BE1007148A3 (fr) * 1993-05-17 1995-04-11 Solvay Support pour catalyseurs, procede pour la fabrication d'un gel precurseur d'un support pour catalyseurs, procede de preparation d'un support pour catalyseurs, catalyseur pour la polymerisation d'olefines et procede pour la polymerisation d'olefines au moyen de ce catalyseur.
WO1995017347A1 (en) * 1993-12-23 1995-06-29 Ppg Industries, Inc. Silica aerogel produced under subcritical conditions
DE19516253A1 (de) * 1995-04-26 1996-10-31 Grace Gmbh Mattierungsmittel auf Basis von aggregiertem Siliciumdioxid mit verbesserter Effizienz
WO1997048743A1 (en) 1996-06-21 1997-12-24 W.R. Grace & Co.-Conn. Frangible spray dried agglomerated supports, method of making such supports, and olefin polymerization catalysts supported thereon
US6841609B2 (en) * 1998-07-09 2005-01-11 W. R. Grace & Co.-Conn. Formulation suitable for ink receptive coatings
US6313061B1 (en) 1998-12-22 2001-11-06 W. R. Grace & Co.-Conn. Method of making frangible spray dried agglomerated supports and olefin polymerization catalysts supported thereon
US6271325B1 (en) * 1999-05-17 2001-08-07 Univation Technologies, Llc Method of polymerization
GB2355711B (en) 1999-10-27 2003-12-24 Agilent Technologies Inc Porous silica microsphere scavengers
EP1349809B1 (en) * 2000-11-15 2008-03-26 Cabot Corporation Method of preparing a fumed metal oxide dispersion
DE10163154A1 (de) * 2001-12-20 2003-07-03 Basell Polyolefine Gmbh Pyrogene Kieselsäuren enthaltender Katalysatorfeststoff zur Olefinpolymerisation
DE10163179A1 (de) * 2001-12-21 2003-07-10 Degussa Granulate auf Basis von pyrogen hergestelltem Siliziumdioxid, Verfahren zu ihrer Herstellung und ihre Verwendung
TWI761649B (zh) * 2017-12-27 2022-04-21 日商日揮觸媒化成股份有限公司 多孔二氧化矽粒子及其製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL98946C (it) * 1959-09-22
US3095384A (en) * 1960-09-09 1963-06-25 Socony Mobil Oil Co Inc Hydrogel treatment
US3239498A (en) * 1961-07-20 1966-03-08 Phillips Petroleum Co Silica-containing catalysts
US3243262A (en) * 1963-02-18 1966-03-29 Grace W R & Co Process for preparing microspheroidal silica
GB1219877A (en) * 1968-05-22 1971-01-20 Grace W R & Co Process for making fine sized low density silica
US4067954A (en) * 1971-05-11 1978-01-10 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler Process for the production of finely divided silicon dioxide having a large specific surface
BE790704A (fr) * 1971-10-28 1973-02-15 Degussa Procede pour la fabrication d'oxydes finement
BE792365A (fr) * 1971-12-06 1973-03-30 Gulf Research Development Co Catalyseurs de polymerisation de 1-olefines
NL7206539A (it) * 1972-05-15 1973-11-19
GB1371440A (en) * 1972-05-31 1974-10-23 Mo G Uni Im Mv Lomonosova Process for preparing a wide-pore adsorbent for use in chromato graphy
DE2414478C3 (de) * 1974-03-26 1978-07-13 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Aerogelartige strukturierte Kieselsäure und Verfahren zu ihrer Herstellung
DE2540278C2 (de) * 1975-09-10 1982-09-16 Basf Ag, 6700 Ludwigshafen Verfahren zum Herstellen von Olefinpolymerisaten

Also Published As

Publication number Publication date
DE2831561C2 (it) 1989-03-30
NL7707961A (nl) 1979-01-22
FR2398021B1 (it) 1982-07-30
JPS5421992A (en) 1979-02-19
GB2001044B (en) 1982-08-11
GB2001044A (en) 1979-01-24
ATA494178A (de) 1983-07-15
US4228260A (en) 1980-10-14
AT373853B (de) 1984-02-27
JPS6215485B2 (it) 1987-04-08
NL7807220A (nl) 1979-01-22
SE7807949L (sv) 1979-03-21
ES471789A1 (es) 1979-10-01
US4225464A (en) 1980-09-30
BE868792A (nl) 1979-01-08
CA1126244A (en) 1982-06-22
FR2398021A1 (fr) 1979-02-16
IT1107453B (it) 1985-11-25
DE2831561A1 (de) 1979-02-01

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