ES475690A1 - Un procedimiento de activacion de un catalizador conteniendocromo sobre un soporte de silice - Google Patents
Un procedimiento de activacion de un catalizador conteniendocromo sobre un soporte de siliceInfo
- Publication number
- ES475690A1 ES475690A1 ES475690A ES475690A ES475690A1 ES 475690 A1 ES475690 A1 ES 475690A1 ES 475690 A ES475690 A ES 475690A ES 475690 A ES475690 A ES 475690A ES 475690 A1 ES475690 A1 ES 475690A1
- Authority
- ES
- Spain
- Prior art keywords
- chromium
- preparation
- olefin polymerization
- containing catalyst
- sulfur treatment
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/20—Sulfiding
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymerization Catalysts (AREA)
- Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Un procedimiento de activación de un catalizador conteniendo cromo sobre un soporte de sílice, caracterizado por una primera fase en la que el mencionado catalizador se pone en contacto con un medio que contiene azufre a una temperatura de al menos 370ºC y una subsiguiente segunda etapa en la que se pone en contacto con un medio oxidante con oxígeno, a una temperatura del orden de 400-900ºC.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/857,556 US4177162A (en) | 1977-12-05 | 1977-12-05 | Sulfiding and reoxidation of chromium catalyst |
Publications (1)
Publication Number | Publication Date |
---|---|
ES475690A1 true ES475690A1 (es) | 1980-01-16 |
Family
ID=25326257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES475690A Expired ES475690A1 (es) | 1977-12-05 | 1978-12-04 | Un procedimiento de activacion de un catalizador conteniendocromo sobre un soporte de silice |
Country Status (15)
Country | Link |
---|---|
US (1) | US4177162A (es) |
EP (1) | EP0002272B1 (es) |
JP (1) | JPS5486492A (es) |
AT (1) | ATA868078A (es) |
AU (1) | AU508600B2 (es) |
BR (1) | BR7807862A (es) |
CA (1) | CA1128491A (es) |
DE (1) | DE2861698D1 (es) |
DK (1) | DK503878A (es) |
ES (1) | ES475690A1 (es) |
FI (1) | FI783716A (es) |
GR (1) | GR65635B (es) |
NO (1) | NO784075L (es) |
PH (1) | PH13764A (es) |
YU (1) | YU282378A (es) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4295997A (en) * | 1979-01-11 | 1981-10-20 | Phillips Petroleum Company | SO2 Activation of supported chromium oxide catalysts |
US4307214A (en) * | 1979-12-12 | 1981-12-22 | Phillips Petroleum Company | SC2 activation of supported chromium oxide catalysts |
US4331789A (en) * | 1980-03-14 | 1982-05-25 | Phillips Petroleum Company | Polymerization using a selenium or tellurium treated catalyst |
US4295998A (en) * | 1980-03-14 | 1981-10-20 | Phillips Petroleum Company | Selenium or tellurium treated silica |
US4460756A (en) * | 1981-04-02 | 1984-07-17 | Phillips Petroleum Company | Olefin polymerization method |
US4397769A (en) * | 1981-04-02 | 1983-08-09 | Phillips Petroleum Company | Olefin polymerization catalyst |
JPS60113535U (ja) * | 1984-01-06 | 1985-08-01 | 三ツ星ベルト株式会社 | トルク変換器付カツプリング |
CA1262009A (en) * | 1984-12-24 | 1989-09-26 | John P. Hogan | Ethylene homopolymer and copolymer polymerization process and the products produced therefrom |
US5155186A (en) * | 1984-12-24 | 1992-10-13 | Phillips Petroleum Company | Ethylene homopolymer and copolymer polymerization process and the products produced therefrom |
FI84562C (fi) * | 1990-01-16 | 1991-12-27 | Neste Oy | Foerfarande och anordning foer framstaellning av heterogena katalysatorer. |
FR2725381B1 (fr) * | 1994-10-07 | 1996-12-13 | Eurecat Europ Retrait Catalys | Procede de pretraitement hors site d'un catalyseur de traitement d'hydrocarbures |
FR2755626B1 (fr) * | 1996-11-13 | 1999-01-08 | Eurecat Europ Retrait Catalys | Procede de preconditionnement hors site d'un catalyseur de traitement d'hydrocarbures |
JP2001510399A (ja) * | 1997-02-07 | 2001-07-31 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 現場外で予備硫化した炭化水素転化触媒 |
ES2450927T3 (es) | 2004-04-22 | 2014-03-25 | Chevron Phillips Chemical Company Lp | Sistemas catalizadores para producir polímeros que tienen distribuciones anchas de peso molecular y métodos para preparar los mismos |
US6977235B2 (en) * | 2004-04-22 | 2005-12-20 | Chevron Phillips Chemical Company, Lp | Catalyst systems comprising a calcined chromium catalyst and a non-transition metal cyclopentadienyl cocatalyst |
US7307133B2 (en) * | 2004-04-22 | 2007-12-11 | Chevron Phillips Chemical Company Lp | Polymers having broad molecular weight distributions and methods of making the same |
US8202952B2 (en) * | 2008-11-21 | 2012-06-19 | Equistar Chemicals, Lp | Process for making ethylene homopolymers |
US8399580B2 (en) | 2010-08-11 | 2013-03-19 | Chevron Philips Chemical Company Lp | Additives to chromium catalyst mix tank |
US8809472B2 (en) | 2011-04-26 | 2014-08-19 | Chevron Phillips Chemical Company Lp | Process of melt index control |
US10577440B2 (en) | 2013-03-13 | 2020-03-03 | Chevron Phillips Chemical Company Lp | Radically coupled resins and methods of making and using same |
US10654948B2 (en) | 2013-03-13 | 2020-05-19 | Chevron Phillips Chemical Company Lp | Radically coupled resins and methods of making and using same |
US9353196B2 (en) | 2013-11-20 | 2016-05-31 | Equistar Chemicals, Lp | Bimodal polymerization process utilizing chromium/silica catalysts |
WO2016141020A1 (en) | 2015-03-02 | 2016-09-09 | Equistar Chemicals, Lp | Catalysts and methods of controlling long chain branching in polyolefins |
WO2017078974A1 (en) | 2015-11-05 | 2017-05-11 | Chevron Phillips Chemical Company Lp | Radically coupled resins and methods of making and using same |
US10550252B2 (en) | 2017-04-20 | 2020-02-04 | Chevron Phillips Chemical Company Lp | Bimodal PE resins with improved melt strength |
US11149098B2 (en) | 2018-09-25 | 2021-10-19 | Chevron Phillips Chemical Company Lp | Rapid activation process and activation treatments for chromium catalysts for producing high melt index polyethylenes |
US11674023B2 (en) | 2020-10-15 | 2023-06-13 | Chevron Phillips Chemical Company Lp | Polymer composition and methods of making and using same |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL88143C (es) * | 1952-12-06 | |||
NL286866A (es) * | 1961-12-29 | |||
FR1412989A (fr) * | 1963-11-05 | 1965-10-01 | Shell Int Research | Procédé pour activer un catalyseur comprenant de l'oxyde de nickel, de l'oxyde de molybdène et de l'alumine |
US3365439A (en) * | 1964-05-11 | 1968-01-23 | Phillips Petroleum Co | Titania/chromium oxide catalyst and polymerization process |
US3756998A (en) * | 1968-10-14 | 1973-09-04 | Union Carbide Corp | L catalysts polymerization of olefins using supported pi arenechromium tricarbony |
US4054538A (en) * | 1968-12-17 | 1977-10-18 | Union Carbide Corporation | π Allyl chromium complex catalyst and process for preparing same |
US3764558A (en) * | 1971-06-24 | 1973-10-09 | Sun Oil Co Pennsylvania | Constant low oxygen concentration gas regeneration of refining catalysts |
US3812058A (en) * | 1971-11-11 | 1974-05-21 | Phillips Petroleum Co | Activation of olefin polymerization catalysts |
US3932285A (en) * | 1973-10-03 | 1976-01-13 | Tenneco Chemicals, Inc. | Chromium salt compositions and a process for their production |
NL7315573A (nl) * | 1973-11-14 | 1975-05-16 | Shell Int Research | Katalysatorbereiding. |
US3953413A (en) * | 1974-06-13 | 1976-04-27 | Chemplex Company | Supported chromium-containing catalyst and process of polymerizing 1-olefins |
US3986983A (en) * | 1974-10-24 | 1976-10-19 | Chemplex Company | Catalyst and method of polymerizing |
DE2455535A1 (de) * | 1974-11-23 | 1976-05-26 | Basf Ag | Verfahren zum herstellen von olefinpolymerisaten |
-
1977
- 1977-12-05 US US05/857,556 patent/US4177162A/en not_active Expired - Lifetime
-
1978
- 1978-11-13 DK DK503878A patent/DK503878A/da unknown
- 1978-11-21 GR GR57692A patent/GR65635B/el unknown
- 1978-11-23 AU AU41858/78A patent/AU508600B2/en not_active Expired
- 1978-11-27 PH PH21847A patent/PH13764A/en unknown
- 1978-11-29 CA CA317,063A patent/CA1128491A/en not_active Expired
- 1978-11-30 BR BR7807862A patent/BR7807862A/pt unknown
- 1978-12-01 DE DE7878101512T patent/DE2861698D1/de not_active Expired
- 1978-12-01 EP EP78101512A patent/EP0002272B1/en not_active Expired
- 1978-12-04 NO NO784075A patent/NO784075L/no unknown
- 1978-12-04 FI FI783716A patent/FI783716A/fi unknown
- 1978-12-04 ES ES475690A patent/ES475690A1/es not_active Expired
- 1978-12-04 JP JP14990078A patent/JPS5486492A/ja active Granted
- 1978-12-04 YU YU02823/78A patent/YU282378A/xx unknown
- 1978-12-05 AT AT0868078A patent/ATA868078A/de not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0002272A3 (en) | 1979-07-25 |
FI783716A (fi) | 1979-06-06 |
NO784075L (no) | 1979-06-06 |
ATA868078A (de) | 1982-08-15 |
JPS5486492A (en) | 1979-07-10 |
CA1128491A (en) | 1982-07-27 |
YU282378A (en) | 1982-10-31 |
DE2861698D1 (en) | 1982-04-29 |
EP0002272A2 (en) | 1979-06-13 |
JPS5739643B2 (es) | 1982-08-23 |
BR7807862A (pt) | 1979-07-31 |
AU4185878A (en) | 1979-07-05 |
PH13764A (en) | 1980-09-18 |
EP0002272B1 (en) | 1982-03-24 |
DK503878A (da) | 1979-06-06 |
AU508600B2 (en) | 1980-03-27 |
GR65635B (en) | 1980-10-15 |
US4177162A (en) | 1979-12-04 |
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