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BR8007726A - Processo para preparacao de pelotas de gel de silica - Google Patents

Processo para preparacao de pelotas de gel de silica

Info

Publication number
BR8007726A
BR8007726A BR8007726A BR8007726A BR8007726A BR 8007726 A BR8007726 A BR 8007726A BR 8007726 A BR8007726 A BR 8007726A BR 8007726 A BR8007726 A BR 8007726A BR 8007726 A BR8007726 A BR 8007726A
Authority
BR
Brazil
Prior art keywords
preparation
silica gel
gel pellets
pellets
silica
Prior art date
Application number
BR8007726A
Other languages
English (en)
Inventor
D Denton
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Publication of BR8007726A publication Critical patent/BR8007726A/pt

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
    • B01J21/06—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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silicon Compounds (AREA)
BR8007726A 1980-03-05 1980-11-27 Processo para preparacao de pelotas de gel de silica BR8007726A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/127,274 US4256682A (en) 1980-03-05 1980-03-05 Method of preparing silica gel pellets

Publications (1)

Publication Number Publication Date
BR8007726A true BR8007726A (pt) 1981-09-08

Family

ID=22429250

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8007726A BR8007726A (pt) 1980-03-05 1980-11-27 Processo para preparacao de pelotas de gel de silica

Country Status (3)

Country Link
US (1) US4256682A (pt)
AU (1) AU6439980A (pt)
BR (1) BR8007726A (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084273A3 (en) * 1982-01-04 1984-05-23 The Standard Oil Company Production of synthesis gas
NL8201924A (nl) * 1982-05-11 1983-12-01 Stamicarbon Werkwijze voor het bereiden van zuiver siliciumdioxide met hoge mechanische sterkte, alsmede siliciumdioxide verkregen met deze werkwijze.
US4582815A (en) * 1984-07-06 1986-04-15 Mobil Oil Corporation Extrusion of silica-rich solids
US4624140C1 (en) * 1984-07-30 2001-01-30 Jack A Ekchian Liquid medium capacitive displacement sensor
US4595578A (en) * 1985-03-22 1986-06-17 Scm Corporation Stabilized silica gel and process for making same
FR2584698B1 (fr) * 1985-07-15 1990-05-18 Rhone Poulenc Spec Chim Procede de preparation de particules de silice spheroidales
US4872895A (en) * 1986-12-11 1989-10-10 American Telephone And Telegraph Company, At&T Bell Laboratories Method for fabricating articles which include high silica glass bodies
GB8722459D0 (en) * 1987-09-24 1987-10-28 Shell Int Research Silica extrudates
GB8724436D0 (en) * 1987-10-19 1987-11-25 Shell Int Research Silica-alumina extrudates
US4954327A (en) * 1988-08-12 1990-09-04 Blount David H Production of silica aerogels
DE3912504A1 (de) * 1989-04-17 1990-10-18 Degussa Presslinge auf basis von pyrogen hergestelltem siliciumdioxid, verfahren zu ihrer herstellung und ihre verwendung
IL107932A0 (en) * 1992-12-08 1994-04-12 Miroevski Piotr Ravilevich Method and apparatus for producing a silicon based binding composition and product prepared therefrom
DK0716641T3 (da) * 1993-08-31 1998-02-09 Basf Ag Hydrofobe kiselsyreaerogeler
US6977065B1 (en) * 1993-10-07 2005-12-20 Degussa Ag Precipitated silicas
US5846506A (en) * 1994-10-07 1998-12-08 Degussa Aktiengesellschaft Precipitated silicas
DE19718741A1 (de) * 1997-05-02 1998-11-05 Hoechst Ag Verfahren zur Kompaktierung von Aerogelen
US6709570B1 (en) * 1999-09-27 2004-03-23 Shell Oil Company Method for preparing a catalyst
US7253224B2 (en) * 2001-08-07 2007-08-07 Ppg Industries Ohio, Inc. Silica-based particulates
FR2886285B1 (fr) 2005-05-27 2008-05-30 Rhodia Chimie Sa Procede de preparation de silice precipitee, silice precipitee et utilisations, notamment comme charge dans les matrices silicones
GB0910364D0 (en) * 2009-06-17 2009-07-29 Johnson Matthey Plc Carbon oxides conversion process
JP5313411B1 (ja) * 2012-08-24 2013-10-09 パナソニック株式会社 シリカ多孔体および光マイクロフォン

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453077A (en) * 1965-05-04 1969-07-01 Grace W R & Co Process for preparing microspheroidal silica
US3650989A (en) * 1969-12-09 1972-03-21 Engelhard Min & Chem Preparation of silica-alumina catalyst
FR2332234A1 (fr) * 1975-11-20 1977-06-17 Rhone Poulenc Ind Corps siliceux agglomeres
US4169926A (en) * 1978-01-16 1979-10-02 Phillips Petroleum Company Inorganic hydrogels and uses thereof

Also Published As

Publication number Publication date
AU6439980A (en) 1981-09-10
US4256682A (en) 1981-03-17

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