USRE31761E - Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts - Google Patents
Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts Download PDFInfo
- Publication number
- USRE31761E USRE31761E US06/458,520 US45852083A USRE31761E US RE31761 E USRE31761 E US RE31761E US 45852083 A US45852083 A US 45852083A US RE31761 E USRE31761 E US RE31761E
- Authority
- US
- United States
- Prior art keywords
- water
- hydrocogel
- catalyst support
- zirconia
- silica
- 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 - Lifetime
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Classifications
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- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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- 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
- B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/036—Precipitation; Co-precipitation to form a gel or a cogel
-
- 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
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Catalysts (AREA)
Abstract
Description
Na.sub.4 Zr(C.sub.2 O.sub.4).sub.4 <K.sub.4 Zr(C.sub.2 O.sub.4).sub.4 <(NH.sub.4).sub.4 Zr(C.sub.2 O.sub.4).sub.4 ≈Li.sub.4 Zr(C.sub.2 O.sub.4).sub.4
TABLE __________________________________________________________________________ N.sub.2.sup.b Activation, Resin.sup.f Example ZrO.sub.2 Wt. % P.V., Chromium °F. Synthesis Milled No. Source.sup.a ZrO.sub.2 cc/g Source N.sub.2 Air Temp., °F. MI.sup.c __________________________________________________________________________ 1 none none 1.65 CrO.sub.3 -- 1700 225 0.1 2 none none 1.65 Cr(AcAc).sub.3.sup.e 1700 1300 225 0.4 3 ZrO(NO.sub.3).sub.2.sup.d 1.3 1.65 Cr(AcAc).sub.3 1700 1300 225 0.4 4 none none 1.84 Cr(AcAc).sub.3 1700 1300 225 2.3 5 LiZrO.sub.x 2.6 2.29 Cr(AcAc).sub.3 1700 1300 225 4.1 6 NaZrO.sub.x 1.8 1.35 Cr(AcAc).sub.3 1700 1300 225 0.9 7 KZrO.sub.x 2.8 -- Cr(AcAc).sub.3 1700 1300 225 1.3 8 NH.sub.4 ZrO.sub.x 2.7 2.45 Cr(AcAc).sub.3 1700 1300 225 3.4 __________________________________________________________________________ Footnotes: .sup.a Alkali metal or ammonium tetraoxalatozirconate(IV) hydrates, or zirconyl bitrate as indicated .sup.b Pore volume of xerocogel after calcination at 1500° F. Catalysis, vol. II. pp. 111-1165, P.H. Rheinhold Publishing Corp. New York, N.Y., 1955. .sup. c Milled resin melt index, grams per 10 minutes; ASTM D1238-62T. .sup.d Not coprecipitated but impregnated onto an existing silica xerogel followed by calcination to provide zirconia of silica. .sup.e chromium(III) acetylacetone. .sup.f Resin synthesis conditions were at the temperature indicated, in isobutane and under 550 psig total pressure.
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/458,520 USRE31761E (en) | 1979-05-31 | 1983-01-17 | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/044,004 US4246137A (en) | 1979-05-31 | 1979-05-31 | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
US06/458,520 USRE31761E (en) | 1979-05-31 | 1983-01-17 | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/044,004 Reissue US4246137A (en) | 1979-05-31 | 1979-05-31 | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE31761E true USRE31761E (en) | 1984-12-11 |
Family
ID=26721072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/458,520 Expired - Lifetime USRE31761E (en) | 1979-05-31 | 1983-01-17 | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
Country Status (1)
Country | Link |
---|---|
US (1) | USRE31761E (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4631264A (en) | 1984-07-18 | 1986-12-23 | Standard Oil Company (Indiana) | Catalyst and process for preparation of alpha, beta-unsaturated acids |
US5069816A (en) * | 1988-01-11 | 1991-12-03 | Mmii Incorporated | Zirconium silica hydrogel compositions and methods of preparation |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2289919A (en) * | 1938-10-31 | 1942-07-14 | Universal Oil Prod Co | Manufacture of catalysts |
US2444913A (en) * | 1944-05-12 | 1948-07-13 | Houdry Process Corp | Preparation of zirconia containing catalysis |
US3801705A (en) * | 1968-10-11 | 1974-04-02 | Nat Petro Chem | Preparation of silica gels |
US3862104A (en) * | 1972-01-07 | 1975-01-21 | Phillips Petroleum Co | Large pore silica gel catalysts |
US3950316A (en) * | 1974-05-03 | 1976-04-13 | Phillips Petroleum Company | Catalyst support formed by adding acidic material to silica containing titanium |
US3953413A (en) * | 1974-06-13 | 1976-04-27 | Chemplex Company | Supported chromium-containing catalyst and process of polymerizing 1-olefins |
US4054511A (en) * | 1974-06-24 | 1977-10-18 | Mobil Oil Corporation | Activation of ferrierite and conversion of hydrocarbons therewith |
-
1983
- 1983-01-17 US US06/458,520 patent/USRE31761E/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2289919A (en) * | 1938-10-31 | 1942-07-14 | Universal Oil Prod Co | Manufacture of catalysts |
US2444913A (en) * | 1944-05-12 | 1948-07-13 | Houdry Process Corp | Preparation of zirconia containing catalysis |
US3801705A (en) * | 1968-10-11 | 1974-04-02 | Nat Petro Chem | Preparation of silica gels |
US3862104A (en) * | 1972-01-07 | 1975-01-21 | Phillips Petroleum Co | Large pore silica gel catalysts |
US3950316A (en) * | 1974-05-03 | 1976-04-13 | Phillips Petroleum Company | Catalyst support formed by adding acidic material to silica containing titanium |
US3953413A (en) * | 1974-06-13 | 1976-04-27 | Chemplex Company | Supported chromium-containing catalyst and process of polymerizing 1-olefins |
US4054511A (en) * | 1974-06-24 | 1977-10-18 | Mobil Oil Corporation | Activation of ferrierite and conversion of hydrocarbons therewith |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4631264A (en) | 1984-07-18 | 1986-12-23 | Standard Oil Company (Indiana) | Catalyst and process for preparation of alpha, beta-unsaturated acids |
US5069816A (en) * | 1988-01-11 | 1991-12-03 | Mmii Incorporated | Zirconium silica hydrogel compositions and methods of preparation |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: NORTHERN PETROCHEMICAL COMPANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:GETTY CHEMICAL COMPANY;ACC CHEMICAL COMPANY;CHEMPLEX COMPANY;REEL/FRAME:004458/0150 Effective date: 19841231 |
|
AS | Assignment |
Owner name: NORCHEM, INC. Free format text: CHANGE OF NAME;ASSIGNOR:NORTHERN PETROCHEMICAL COMPANY;REEL/FRAME:004476/0867 Effective date: 19850409 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
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AS | Assignment |
Owner name: ENRON CHEMICAL COMPANY Free format text: CHANGE OF NAME;ASSIGNOR:NORCHEM, INC.;REEL/FRAME:004759/0074 Effective date: 19860522 |
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AS | Assignment |
Owner name: EQUISTAR CHEMICALS, LP, TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MILLENNIUM PETROCHEMICALS, INC. [FORMERLY KNOWN AS QUANTUM CHEMICAL CORPORATION, WHICH WAS FORMERLY KNOWN AS NATIONAL DISTILLERS AND CHEMICAL CORPORATION];REEL/FRAME:009453/0332 Effective date: 19980526 |