MX169950B - Gel de silice y alumina cataliticamente activo y procedimiento para su preparacion - Google Patents
Gel de silice y alumina cataliticamente activo y procedimiento para su preparacionInfo
- Publication number
- MX169950B MX169950B MX015884A MX1588489A MX169950B MX 169950 B MX169950 B MX 169950B MX 015884 A MX015884 A MX 015884A MX 1588489 A MX1588489 A MX 1588489A MX 169950 B MX169950 B MX 169950B
- Authority
- MX
- Mexico
- Prior art keywords
- sio2
- gel
- alumina
- solution
- taa
- Prior art date
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title 1
- 229910052710 silicon Inorganic materials 0.000 title 1
- 239000010703 silicon Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 11
- 239000000377 silicon dioxide Substances 0.000 abstract 6
- 229910052681 coesite Inorganic materials 0.000 abstract 5
- 229910052906 cristobalite Inorganic materials 0.000 abstract 5
- 235000012239 silicon dioxide Nutrition 0.000 abstract 5
- 229910052682 stishovite Inorganic materials 0.000 abstract 5
- 229910052905 tridymite Inorganic materials 0.000 abstract 5
- 239000011148 porous material Substances 0.000 abstract 3
- 150000005622 tetraalkylammonium hydroxides Chemical class 0.000 abstract 3
- -1 aluminum compound Chemical class 0.000 abstract 2
- 230000003301 hydrolyzing effect Effects 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000011959 amorphous silica alumina Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 1
- 238000001879 gelation Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 abstract 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/643—Pore diameter less than 2 nm
-
- 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
-
- 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
- B01J37/08—Heat treatment
-
- 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
- C07C2/10—Catalytic processes with metal oxides
-
- 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
- C07C2521/12—Silica and alumina
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Silicon Compounds (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
La presente invención se refiere a un gel de sílice y alúmina, amorfo a los rayos X, con una relación molar SiO2/A12O3 de 30/1 a 500/1, con un área de superficie de 500 a 1000 m cuadrado/g, con un volumen global de poros de 0.3 a 0.6 ml/g, con un diámetro medio de poros del orden de 10A o menos y desprovisto o substancialmente desprovisto de poros con un diámetro superior a 30 A, obtenido: a) preparando una solución acuosa de un hidróxido de tetraalquilamonio (TAA-OH) en donde el alquilo se elige de entre etilo, n-propilo y n-butilo, un compuesto soluble de aluminio capaz de hidrolizarse para formar A12O3 y un compeusto de silico capaz de hidrolizarse para formar SiO2; siendo tal la cantidad de constituyentes en la solución que se respetan las siguientes relaciones molares; SiO2/A12O3 de 30/1 a 500/1; TAA-OH/SiO2 de 0.05/1 a 0.2/1; N2O/SiO2 de 5/1 a 40/1; b) calentando la solución así obtenida para provocar la gelificación; c) desecando el gel obtenido; y d) calcinando el gel desecado trabajando primero en una atmósfera inerte y después en una atmósfera oxidante.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20494/88A IT1219692B (it) | 1988-05-06 | 1988-05-06 | Gel di silice e allumina cataliticamente attivo e procedimento per la sua preparazione |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX169950B true MX169950B (es) | 1993-08-02 |
Family
ID=11167784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX015884A MX169950B (es) | 1988-05-06 | 1989-05-02 | Gel de silice y alumina cataliticamente activo y procedimiento para su preparacion |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5049536A (es) |
| EP (1) | EP0340868B1 (es) |
| JP (1) | JP2779450B2 (es) |
| KR (1) | KR910005192B1 (es) |
| AT (1) | ATE72414T1 (es) |
| BR (1) | BR8902503A (es) |
| CA (1) | CA1334964C (es) |
| DE (1) | DE68900807D1 (es) |
| DK (1) | DK220889A (es) |
| ES (1) | ES2030966T3 (es) |
| GR (1) | GR3004136T3 (es) |
| IT (1) | IT1219692B (es) |
| MX (1) | MX169950B (es) |
| RU (1) | RU1837958C (es) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5100596A (en) * | 1990-06-05 | 1992-03-31 | Mobil Oil Corp. | Synthesis of membrane composed of a pure molecular sieve |
| IT1248985B (it) * | 1990-06-22 | 1995-02-11 | Eniricerche Spa | Procedimento per oligomerizzare olefine leggere |
| IT1244478B (it) * | 1990-12-21 | 1994-07-15 | Eniricerche Spa | Gel cataliticamente attivo e procedimento per la sua preparazione |
| IT1251614B (it) * | 1991-10-04 | 1995-05-17 | Eniricerche Spa | Catalizzatore e procedimento per la oligomerizzazione di olefine |
| IT1245397B (it) * | 1991-03-22 | 1994-09-20 | Snam Progetti | Procedimento per la decomposizione catalitica selettiva di eteri alchilici ed alcooli in una carica proveniente dalla sintesi del metil ter amil etere |
| IT1251613B (it) * | 1991-10-04 | 1995-05-17 | Eniricerche Spa | Procedimento di dimerizzazione catalitica di isobutene |
| IT1252647B (it) * | 1991-12-06 | 1995-06-20 | Eniricerche Spa | Catalizzatore estruso a base di gel di silice ed allumina e procedimento per la sua preparazione |
| IT1256084B (it) * | 1992-07-31 | 1995-11-27 | Eniricerche Spa | Catalizzatore per la idroisomerizzazione di normal-paraffine a catena lunga e procedimento per la sua preparazione |
| IT1255526B (it) * | 1992-09-29 | 1995-11-09 | Eniricerche Spa | Procedimento per la preparazione di un catalizzatore efficace nella idroisomerizzazione di normal-paraffine |
| IT1264031B (it) * | 1993-04-08 | 1996-09-09 | Eniricerche Spa | Processo per la produzione di benzine e jet fuel a partire da n-butano |
| 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. |
| EP0655277A1 (en) * | 1993-11-01 | 1995-05-31 | Csir | Amorphous aluminosilicate catalyst |
| IT1265320B1 (it) * | 1993-12-22 | 1996-10-31 | Eniricerche Spa | Procedimento per la preparazione di silico-allumine amorfe cataliticamente attive |
| IT1269201B (it) * | 1994-01-28 | 1997-03-21 | Eniricerche Spa | Catalizzatore in forma estrusa a base di gel di silice e allumina |
| US5439624A (en) * | 1994-02-14 | 1995-08-08 | Wisconsin Alumni Research Foundation | Method for forming porous ceramic materials |
| IT1270069B (it) * | 1994-07-06 | 1997-04-28 | Eniricerche Spa | Gel micro-mesoporoso e procedimento per la sua preparazione |
| IT1276726B1 (it) | 1995-06-15 | 1997-11-03 | Eniricerche Spa | Gel di allumina mesoporoso e procedimento per la sua preparazione |
| IT1284007B1 (it) * | 1996-06-13 | 1998-05-08 | Eniricerche Spa | Procedimento per la preparazione di un materiale micro-meso poroso ad alta area superficiale con distribuzione controllata della |
| KR100195111B1 (ko) * | 1996-07-19 | 1999-06-15 | 윤종용 | 다공성 복합 산화물의 제조방법 |
| KR100200612B1 (ko) * | 1996-07-31 | 1999-06-15 | 윤종용 | 다공성 복합 산화물의 제조 방법 |
| US6296759B1 (en) * | 1997-02-13 | 2001-10-02 | Engelhard Corporation | Process for hydrogenation, hydroisomerization and/or hydrodesulfurization of a sulfur containment containing feedstock |
| JP2002519275A (ja) * | 1998-06-29 | 2002-07-02 | アクゾ ノーベル ナムローゼ フェンノートシャップ | ４価、３価および２価の金属元素の酸化化合物を含むコゲル |
| IT1312337B1 (it) | 1999-05-07 | 2002-04-15 | Agip Petroli | Composizione catalitica per l'upgrading di idrocarburi aventi punti di ebollizione nell'intervallo della nafta |
| EP1101813B1 (en) * | 1999-11-19 | 2014-03-19 | ENI S.p.A. | Process for the preparation of middle distillates starting from linear paraffins |
| IT1314263B1 (it) * | 1999-12-03 | 2002-12-06 | Enichem Spa | Processo per la preparazione di catalizzatori zeolitici. |
| US6398946B1 (en) | 1999-12-22 | 2002-06-04 | Chevron U.S.A., Inc. | Process for making a lube base stock from a lower molecular weight feedstock |
| US6773578B1 (en) | 2000-12-05 | 2004-08-10 | Chevron U.S.A. Inc. | Process for preparing lubes with high viscosity index values |
| US20070187291A1 (en) * | 2001-10-19 | 2007-08-16 | Miller Stephen J | Highly paraffinic, moderately aromatic distillate fuel blend stocks prepared by low pressure hydroprocessing of fischer-tropsch products |
| US20070187292A1 (en) * | 2001-10-19 | 2007-08-16 | Miller Stephen J | Stable, moderately unsaturated distillate fuel blend stocks prepared by low pressure hydroprocessing of Fischer-Tropsch products |
| EP1403358A1 (en) * | 2002-09-27 | 2004-03-31 | ENI S.p.A. | Process and catalysts for deep desulphurization of fuels |
| ES2247921B1 (es) * | 2004-04-07 | 2007-06-16 | Universidad Politecnica De Valencia | Un material amorfo microporoso, procedimiento de preparacion y su uso en la conversion catalitica de compuestos organicos. |
| ITMI20040798A1 (it) * | 2004-04-23 | 2004-07-23 | Eni Spa | Processo e catalizzatori per l'apertura di anelli naftenici |
| US20050274646A1 (en) * | 2004-06-14 | 2005-12-15 | Conocophillips Company | Catalyst for hydroprocessing of Fischer-Tropsch products |
| US20060016722A1 (en) * | 2004-07-08 | 2006-01-26 | Conocophillips Company | Synthetic hydrocarbon products |
| US7345211B2 (en) * | 2004-07-08 | 2008-03-18 | Conocophillips Company | Synthetic hydrocarbon products |
| US7323100B2 (en) * | 2004-07-16 | 2008-01-29 | Conocophillips Company | Combination of amorphous materials for hydrocracking catalysts |
| CN100400165C (zh) * | 2005-04-27 | 2008-07-09 | 中国石油化工股份有限公司 | 一种含硅和硼的氧化铝载体及其制备方法 |
| ITMI20051295A1 (it) | 2005-07-08 | 2007-01-09 | Eni Spa | Processo per migliorare le qualita' come carburante di miscele idrocarburiche idrotrattate |
| KR20110044781A (ko) * | 2008-08-14 | 2011-04-29 | 다우 글로벌 테크놀로지스 엘엘씨 | 소성 금속 산화물-실리카 촉매를 사용한 메틸렌디아닐린과 그의 고급 동족체의 혼합물의 제조 |
| IT1392194B1 (it) | 2008-12-12 | 2012-02-22 | Eni Spa | Processo per la produzione di idrocarburi, utili per autotrazione, da miscele di origine biologica |
| IT1392806B1 (it) | 2009-02-02 | 2012-03-23 | Eni Spa | Processo integrato di cracking catalitico a letto fluido per ottenere miscele idrocarburiche con elevate qualita' come carburante |
| IT1398288B1 (it) | 2009-09-30 | 2013-02-22 | Eni Spa | Ossidi misti di metalli di transizione, catalizzatori di idrotrattamento da essi ottenuti, e processo di preparazione comprendente procedimenti sol-gel |
| IT1396939B1 (it) | 2009-12-09 | 2012-12-20 | Eni Spa | Composizione idrocarburica utile come carburante o combustibile |
| IT1402865B1 (it) | 2010-11-05 | 2013-09-27 | Univ Roma | Procedimento per il trattamento di acqua contaminata |
| IT1403895B1 (it) | 2010-12-29 | 2013-11-08 | Eni Spa | Processo e sistema catalitico per migliorare le qualita' come carburante di miscele idrocarburiche |
| ITMI20110510A1 (it) | 2011-03-30 | 2012-10-01 | Eni Spa | Ossidi misti di metalli di transizione, catalizzatori di idrotrattamento da essi ottenuti, e processo di preparazione |
| WO2015107487A1 (en) | 2014-01-20 | 2015-07-23 | Eni S.P.A. | Process for the production of hydrocarbon fractions from mixtures of a biological origin |
| ES2860924T3 (es) | 2014-05-29 | 2021-10-05 | Eni Spa | Proceso para producir una fracción de hidrocarburo diésel a partir de una materia prima renovable |
| WO2015181744A1 (en) | 2014-05-29 | 2015-12-03 | Eni S.P.A. | Process for producing a diesel hydrocarbon fraction starting from a renewable feedstock |
| EP3149114B1 (en) | 2014-05-29 | 2023-09-06 | ENI S.p.A. | Process for producing a diesel hydrocarbon fraction starting from a renewable feedstock |
| US10987656B2 (en) * | 2014-09-03 | 2021-04-27 | Korea University Research And Business Foundation | Core-shell nanoparticle, method for manufacturing same and method for producing hydrogen peroxide using same |
| SG11201908902XA (en) * | 2017-03-29 | 2019-10-30 | Exxonmobil Chemical Patents Inc | Methods for removing impurities from a hydrocarbon stream and their use in aromatic alkylation processes |
| CN107827756B (zh) * | 2017-11-17 | 2020-09-08 | 万华化学集团股份有限公司 | 一种低n-甲基杂质含量的二苯基甲烷系列二胺和多胺的制备方法及装置和催化剂 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3422033A (en) * | 1965-05-25 | 1969-01-14 | Sinclair Research Inc | Method of crystallizing aluminosilicates |
| GB1170622A (en) * | 1967-01-10 | 1969-11-12 | British Petroleum Co | Improvements relating to the preparation of Catalysts |
| GB1356248A (en) * | 1970-11-05 | 1974-06-12 | Zirconal Processes Ltd | Silica-metal oxide co-gels |
| US3923691A (en) * | 1972-08-03 | 1975-12-02 | Nalco Chemical Co | Hydrotreating catalyst |
| JPS58199711A (ja) * | 1982-05-18 | 1983-11-21 | Dainippon Ink & Chem Inc | アルミノ・シリケ−ト粉末の製造方法 |
| US4515681A (en) * | 1982-09-08 | 1985-05-07 | Exxon Research & Engineering Co. | Catalytic dewaxing using collapsed large pore zeolites |
| US4851605A (en) * | 1984-07-13 | 1989-07-25 | Exxon Research & Engineering Co. | Process for synthesizing a zeolite catalyst on a pH controlled sodium free basis |
| FR2573999B1 (fr) * | 1984-12-05 | 1987-01-23 | Rhone Poulenc Spec Chim | Procede de fabrication de supports de catalyseurs a base d'alumine dont la durabilite est amelioree |
| EP0225407A1 (en) * | 1985-01-25 | 1987-06-16 | Council of Scientific and Industrial Research | Lanthanum silicate materials, their production and use |
-
1988
- 1988-05-06 IT IT20494/88A patent/IT1219692B/it active
-
1989
- 1989-04-28 US US07/345,142 patent/US5049536A/en not_active Expired - Lifetime
- 1989-05-01 ES ES198989201118T patent/ES2030966T3/es not_active Expired - Lifetime
- 1989-05-01 AT AT89201118T patent/ATE72414T1/de not_active IP Right Cessation
- 1989-05-01 EP EP89201118A patent/EP0340868B1/en not_active Expired - Lifetime
- 1989-05-01 DE DE8989201118T patent/DE68900807D1/de not_active Expired - Lifetime
- 1989-05-02 JP JP1112374A patent/JP2779450B2/ja not_active Expired - Lifetime
- 1989-05-02 MX MX015884A patent/MX169950B/es unknown
- 1989-05-03 KR KR1019890005958A patent/KR910005192B1/ko not_active IP Right Cessation
- 1989-05-05 CA CA000598822A patent/CA1334964C/en not_active Expired - Fee Related
- 1989-05-05 BR BR898902503A patent/BR8902503A/pt not_active IP Right Cessation
- 1989-05-05 DK DK220889A patent/DK220889A/da not_active Application Discontinuation
- 1989-05-05 RU SU4614137A patent/RU1837958C/ru active
-
1992
- 1992-03-24 GR GR920400519T patent/GR3004136T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US5049536A (en) | 1991-09-17 |
| EP0340868B1 (en) | 1992-02-05 |
| IT8820494A0 (it) | 1988-05-06 |
| EP0340868A1 (en) | 1989-11-08 |
| DK220889A (da) | 1989-11-07 |
| GR3004136T3 (es) | 1993-03-31 |
| IT1219692B (it) | 1990-05-24 |
| KR890017000A (ko) | 1989-12-14 |
| CA1334964C (en) | 1995-03-28 |
| ES2030966T3 (es) | 1992-11-16 |
| JPH01320214A (ja) | 1989-12-26 |
| ATE72414T1 (de) | 1992-02-15 |
| DK220889D0 (da) | 1989-05-05 |
| KR910005192B1 (ko) | 1991-07-23 |
| JP2779450B2 (ja) | 1998-07-23 |
| RU1837958C (ru) | 1993-08-30 |
| DE68900807D1 (de) | 1992-03-19 |
| BR8902503A (pt) | 1990-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX169950B (es) | Gel de silice y alumina cataliticamente activo y procedimiento para su preparacion | |
| GB1401707A (en) | Liquid silica source for semiconductors | |
| FI916187A0 (fi) | Piidioksidia sisältävä tuote ja menetelmä sen valmistamiseksi | |
| JPS57123815A (en) | Production of crystalline aluminosilicate zeolite | |
| SE8205144L (sv) | Hydrofob kiseldioxid eller silikat, medel som innehaller dessa och metoder for tillverkning och anvendning derav | |
| ES2032340T3 (es) | Cuerpos prensados a base de un oxido mixto de dioxido de silicio y oxido de aluminio preparado por via pirogena, procedimiento para su preparacion y empleo. | |
| CA2287530A1 (en) | Aluminosilicate compositions, preparation and use | |
| ATE21096T1 (de) | Keramisches siliciumaluminiumoxynitridprodukt und herstellungsverfahren. | |
| GB1291347A (en) | Improved silica sols | |
| IE37943B1 (en) | Liquid composition comprising metal and organic silicon compounds | |
| JPS54160753A (en) | Nail enamel | |
| JP2003533348A5 (es) | ||
| SE8101473L (sv) | Sett att framstella aluminiumsilikat med zeolitliknande struktur | |
| KR890004426A (ko) | 불투명 유리프릿 | |
| ID19435A (id) | PROSES PEMISAHAN FLUIDA MENGGUNAKAN OKSIDA-OKSIDA PEMBIAS ALUMINA-SILIKA AMORF BERPORI (Pecahan dari P-006105) | |
| AR240878A2 (es) | Un procedimiento para preparar un silicato de aluminio cristalino compuesto | |
| CA2365265A1 (en) | Stable aqueous compositions containing a silicon compound | |
| ES557620A0 (es) | Procedimiento para la obtencion de s.s.-dioxido dce 3-acetilamino-4-metoxibenzoisotiazol. | |
| GB1511892A (en) | Preparation of hard shaped zeolite bodies | |
| ES369370A1 (es) | Mejoras introducidas en un procedimiento para la prepara- cion de un sol de silice cargado positivamente. | |
| SU722863A1 (ru) | Глазурь | |
| GB1297927A (es) | ||
| JPS5731983A (en) | Liquid chemical for stabilizing ground | |
| GB1408256A (en) | Dielectric compositions and glass frits for use as components thereof | |
| SU1565867A1 (ru) | Суспензи дл химико-механического полировани полупроводниковых подложек |