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US 4,390,413 AGranted
Hydrocarbon upgrading process
AssigneeChevron Research Company
InventorsDennis J. O'Rear, Jerome F. Mayer
Life of this patent
Estimating the term…
Abstract
A petroleum distillate feed is upgraded and an olefinic product is produced by contacting the feed with ZSM-5-type zeolite at (1) a temperature in the 500.degree. F.-800.degree. F. range; (2) a pressure below about 13 atmospheres gauge; and (3) an LHSV in the 0.1-15 V/V/Hr range.
Claims28
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) hydrocracking a hydrocarbonaceous feedstock having a normal boiling range above about 180.degree. F. and below about 1200.degree. F.;
- (b) upgrading at least part of the effluent of said hydrocracking process through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said effluent part with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly spaced velocity in the range of from about 0.1 to 20, said effluent having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- and
- (c) etherating all or part of the portion of said process stream which boils below about 225.degree. F.
4 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) upgrading a hydrocarbonaceous feed having a normal boiling range above about 180.degree. F. and below about 1200.degree. F., through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said feed with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly space velocity in the range of from about 0.1 to 20, said feed having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- and
- (b) recovering a jet fuel fraction from said process stream.
3 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) hydrocracking a hydrocarbonaceous feedstock having a normal boiling range above about 180.degree. F. and below about 1200.degree. F.;
- (b) upgrading at least part of the effluent of said hydrocracking process through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said effluent part with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly space velocity in the range of from about 0.1 to 20, said effluent having a content of a nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- and
- (c) forming aromatics from all or part of the fraction of said process stream which boils below about 400.degree. F.
4 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) upgrading a hydrocarbonaceous feed having a normal boiling range above about 180.degree. F. and below about 1200.degree. F., through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said feed with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly space velocity in the range of from about 0.1 to 20, said feed having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- (b) hydrocracking at least part of said process stream;
- and
- (c) recovering a jet fuel fraction from the effluent of said hydrocracking step.
4 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) upgrading a hydrocarbonaceous feed having a normal boiling range above about 180.degree. F. and below about 1200.degree. F., through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said feed with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hoursly space velocity in the range of from about 0.1 to 20, said feed having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- (b) hydrocracking at least part of said process stream;
- and
- (c) forming aromatics from at least part of the fraction of the effluent of said hydrocracking step which boils below about 400.degree. F.
4 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) upgrading a hydrocarbonaceous feed having a normal boiling range above about 180.degree. F. and below about 1200.degree. F., through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said feed with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly space velocity in the range of from about 0.1 to 20, said feed having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- (b) separating said process stream into at least one lower fraction boiling below about 400.degree. F. and at least one higher fraction boiling above about 400.degree. F.;
- (c) recovering said lower fraction;
- and
- (d) hydrocracking at least part of said higher fraction.
5 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) hydrocracking a hydrocarbonaceous feedstock having a normal boiling range above about 180.degree. F. and below about 1200.degree. F.;
- (b) upgrading at least part of the effluent of said hydrocracking process through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said effluent part with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly space velocity in the range of from about 0.1 to 20, said effluent having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- wherein said upgrading process and hydrocracking step are operated in a recycle mode;
- and
- (c) recovering a jet fuel fraction from the effluent of said hydrocracking process.
5 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) hydrocracking a hydrocarbonaceous feedstock having a normal boiling range above about 180.degree. F. and below about 1200.degree. F.;
- (b) upgrading at least part of the effluent of said hydrocracking process through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said effluent part with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly space velocity in the range of from about 0.1 to 20, said effluent having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- wherein said upgrading process and hydrocracking step are operated in a recycle mode;
- and
- (c) forming aromatics from all or part of the fraction of the effluent of said hydrocracking step which boils below about 400.degree. F.
5 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) hydrocracking a hydrocarbonaceous feedstock having a normal boiling range above about 180.degree. F. and below about 1200.degree. F.;
- (b) upgrading at least part of the effluent of said hydrocracking process through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said effluent part with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly space velocity in the range of from about 0.1 to 20, said effluent having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- wherein said upgrading process and hydrocracking step are operated in a recycle mode;
- and further comprising separating said process stream into at least one lower fraction boiling below about 400.degree. F. and at least one higher fraction boiling above about 400.degree. F.;
- recovering said lower fraction;
- and feeding at least part of said higher fraction to said hydrocracking step.
6 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) upgrading a hydrocarbonaceous feed having a normal boiling range above about 180.degree. F. and below about 1200.degree. F. through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said feed with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly space velocity in the range of from about 0.1 to 20, said feed having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- and
- (b) recovering from said process stream an olefinic fraction which contains C.sub.2 to C.sub.7 olefins.
3 more elements
A process for increasing the effectiveness of hydrocarbon processing, comprising:
- (a) upgrading a hydrocarbonaceous feed having a normal boiling range above about 180.degree. F. and below about 1200.degree. F. through use of an upgrading process comprising,
- (i) producing a process stream containing at least a substantial amount of C.sub.3 to C.sub.4 olefins by contacting said feed with a catalyst comprising a ZSM-5-type crystalline aluminosilicate zeolite in a form which is substantially free of hydrogenation activity, said contacting being under conditions including (a) a temperature in the range of from about 500.degree. F. to about 800.degree. F.;
- (b) a pressure below about 13 atmospheres gauge;
- and (c) a liquid hourly space velocity in the range of from about 0.1 to 20, said feed having a content of nitrogen-containing impurities, calculated by weight as nitrogen, below about 5 ppm;
- and
- (b) stabilizing at least part of said process stream to oxidation.
3 more elements
Dependencies are inferred from the claim text.