BR8804897A - Processo para a preparacao de uma pasta moldavel,processo para a preparacao de extrudados de silica e respectivos extrudados de silica - Google Patents
Processo para a preparacao de uma pasta moldavel,processo para a preparacao de extrudados de silica e respectivos extrudados de silicaInfo
- Publication number
- BR8804897A BR8804897A BR8804897A BR8804897A BR8804897A BR 8804897 A BR8804897 A BR 8804897A BR 8804897 A BR8804897 A BR 8804897A BR 8804897 A BR8804897 A BR 8804897A BR 8804897 A BR8804897 A BR 8804897A
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- extruded silica
- silica
- ammonia
- extruded
- Prior art date
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
- B01J21/12—Silica and alumina
-
- 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Silicon Compounds (AREA)
- Catalysts (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878722459A GB8722459D0 (en) | 1987-09-24 | 1987-09-24 | Silica extrudates |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8804897A true BR8804897A (pt) | 1989-05-02 |
Family
ID=10624293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8804897A BR8804897A (pt) | 1987-09-24 | 1988-09-22 | Processo para a preparacao de uma pasta moldavel,processo para a preparacao de extrudados de silica e respectivos extrudados de silica |
Country Status (16)
Country | Link |
---|---|
EP (1) | EP0309048B2 (pt) |
JP (1) | JP2652680B2 (pt) |
CN (1) | CN1016671B (pt) |
AT (1) | ATE77762T1 (pt) |
AU (1) | AU610647B2 (pt) |
BR (1) | BR8804897A (pt) |
CA (1) | CA1326742C (pt) |
DE (1) | DE3872473T3 (pt) |
DK (1) | DK171946B1 (pt) |
ES (1) | ES2032952T5 (pt) |
GB (1) | GB8722459D0 (pt) |
MY (1) | MY103914A (pt) |
NO (1) | NO175815C (pt) |
NZ (1) | NZ226303A (pt) |
SG (1) | SG46093G (pt) |
ZA (1) | ZA887090B (pt) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8925979D0 (en) * | 1989-11-16 | 1990-01-04 | Shell Int Research | Process for the preparation of extrudates,extrudates,and use of the extrudates |
DE4000692A1 (de) * | 1990-01-12 | 1991-07-18 | Henkel Kgaa | Verwendung von kolloidalem kieselsaeuresol als hilfsstoff fuer katalysatoren |
GB9108663D0 (en) * | 1991-04-23 | 1991-06-12 | Shell Int Research | Process for the preparation of a catalyst or catalyst precursor |
GB9108656D0 (en) * | 1991-04-23 | 1991-06-12 | Shell Int Research | Process for the preparation of a catalyst or catalyst precursor |
KR100229405B1 (ko) * | 1992-06-25 | 1999-11-01 | 고오사이 아끼오 | 제올라이트성형체의 강도향상방법 |
CA2213777A1 (en) * | 1995-04-17 | 1996-10-24 | James F. White | Formed compositions |
DE19924453A1 (de) * | 1999-05-28 | 2001-01-18 | Grace Gmbh & Co Kg | Formkörper aus Silicagel und porösen amorphen Mischoxiden, Verfahren zu ihrer Herstellung und deren Verwendung |
US6284021B1 (en) | 1999-09-02 | 2001-09-04 | The Boc Group, Inc. | Composite adsorbent beads for adsorption process |
MY131860A (en) * | 2000-06-21 | 2007-09-28 | Shell Int Research | Process for preparation of catalyst and use there of |
EP1240943A1 (en) | 2000-10-21 | 2002-09-18 | Degussa AG | Catalyst support |
FR3022801B1 (fr) * | 2014-06-30 | 2020-06-26 | IFP Energies Nouvelles | Procede de preparation par extrusion reactive en presence d'au moins un tensioactif de materiaux inorganiques poreux mis en forme |
EP3325144A4 (en) | 2015-07-22 | 2019-01-16 | BASF Corporation | HIGH GEOMETRIC SURFACE CATALYSTS FOR THE MANUFACTURE OF VINYL ACETATE MONOMER |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1168316B (de) * | 1961-12-18 | 1964-04-16 | Degussa | Verfahren zur Herstellung eines Gemisches aus Zirkoniumoxyd und Kieselsaeure |
US4256682A (en) * | 1980-03-05 | 1981-03-17 | W. R. Grace & Co. | Method of preparing silica gel pellets |
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 |
-
1987
- 1987-09-24 GB GB878722459A patent/GB8722459D0/en active Pending
-
1988
- 1988-09-12 CA CA000577095A patent/CA1326742C/en not_active Expired - Fee Related
- 1988-09-14 EP EP88202023A patent/EP0309048B2/en not_active Expired - Lifetime
- 1988-09-14 ES ES88202023T patent/ES2032952T5/es not_active Expired - Lifetime
- 1988-09-14 AT AT88202023T patent/ATE77762T1/de not_active IP Right Cessation
- 1988-09-14 DE DE3872473T patent/DE3872473T3/de not_active Expired - Lifetime
- 1988-09-22 NZ NZ226303A patent/NZ226303A/xx unknown
- 1988-09-22 ZA ZA887090A patent/ZA887090B/xx unknown
- 1988-09-22 BR BR8804897A patent/BR8804897A/pt not_active IP Right Cessation
- 1988-09-22 NO NO884203A patent/NO175815C/no not_active IP Right Cessation
- 1988-09-22 JP JP63236700A patent/JP2652680B2/ja not_active Expired - Lifetime
- 1988-09-22 CN CN88107155A patent/CN1016671B/zh not_active Expired
- 1988-09-22 DK DK528188A patent/DK171946B1/da not_active IP Right Cessation
- 1988-09-22 AU AU22734/88A patent/AU610647B2/en not_active Expired
- 1988-09-22 MY MYPI88001058A patent/MY103914A/en unknown
-
1993
- 1993-04-14 SG SG460/93A patent/SG46093G/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO175815B (no) | 1994-09-05 |
EP0309048B2 (en) | 1999-11-24 |
MY103914A (en) | 1993-10-30 |
EP0309048A1 (en) | 1989-03-29 |
DE3872473T3 (de) | 2000-05-31 |
DK171946B1 (da) | 1997-08-25 |
DK528188D0 (da) | 1988-09-22 |
ES2032952T5 (es) | 2000-02-01 |
DE3872473T2 (de) | 1992-12-10 |
AU610647B2 (en) | 1991-05-23 |
DK528188A (da) | 1989-03-25 |
AU2273488A (en) | 1989-04-06 |
CA1326742C (en) | 1994-02-08 |
GB8722459D0 (en) | 1987-10-28 |
SG46093G (en) | 1993-06-25 |
JP2652680B2 (ja) | 1997-09-10 |
CN1032421A (zh) | 1989-04-19 |
ES2032952T3 (es) | 1993-03-01 |
NO175815C (no) | 1994-12-14 |
ZA887090B (en) | 1989-07-26 |
CN1016671B (zh) | 1992-05-20 |
NO884203D0 (no) | 1988-09-22 |
NO884203L (no) | 1989-03-28 |
DE3872473D1 (en) | 1992-08-06 |
NZ226303A (en) | 1991-01-29 |
JPH01108111A (ja) | 1989-04-25 |
EP0309048B1 (en) | 1992-07-01 |
ATE77762T1 (de) | 1992-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB19 | Grant procedure suspended (art. 19) | ||
FB19 | Grant procedure suspended (art. 19) | ||
FF | Decision: intention to grant | ||
HO | Change of classification |
Free format text: INT.CL.6 B01J 32/00 E 21/08 |
|
FG | Letter patent granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 22/09/2003 |