Abstract: A compression stage for the compression of cracked gas, the compression stage comprising a liquid separating means for separating liquid components from gaseous components of a cracked gas, a compressor connected to the liquid separating means, a gas cooling means connected to the compressor for cooling the compressed gas from the compressor, wherein the gas cooling means are cooled by a first cooling fluid from the cooling fluid source. The stage further comprises gas precooling means connected to the liquid separating means cracked gas, having an inlet for receiving the cracked gas.

Abstract: A refrigeration system for cooling a charge gas by a binary refrigerant. The refrigeration system comprises n heat exchangers, n compressor stages, at least one separator and a demethanizer. By flowing depressurized refrigerant through all the subsequent heat exchangers and installing interstage coolers, the overall energy for the refrigeration system is reduced.

Abstract: An integrated hydrotreating and steam pyrolysis process for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals by separating the crude oil into light components and heavy components.

Abstract: Integrated hydrotreating and steam pyrolysis processes for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals.

Abstract: A process for steam cracking hydrocarbon feedstock in a steam cracking furnace, the process comprising superheating hydrocarbon feedstock using flue gas from a radiant section of the steam cracking furnace in hydrocarbon feedstock superheating means or the hydrocarbon feedstock superheater, superheating steam from the steam generator using the flue gas from the radiant section of the steam cracking furnace in second heat exchanging means or a second heat exchanger, steam cracking the super-heated hydrocarbon feedstock from the hydrocarbon feedstock superheating means or the hydrocarbon feedstock superheater into cracked gas in a fired tubular reactor, vaporizing the hydrocarbon feedstock, using hydrocarbon feedstock vaporizing means, wherein the hydrocarbon feedstock vaporizing means or the hydrocarbon feedstock vaporizer are heated with a heat transfer medium having a temperature less than or equal to 350° C. and feeding the vaporized hydrocarbon feedstock to the steam cracking furnace.

Abstract: Methods and systems for improving energy conversion from the heat available in a hydrocarbon feedstream during the production of olefins. In a particular non-limiting embodiment, a method can include increasing the temperature of a hydrocarbon feedstream and a hydrogen gas feedstream via a first heat exchanger; combining and feeding the feedstreams into a reactor to produce a reactor effluent including one or more olefins; expanding the reactor effluent in a reactor effluent expander to decrease the pressure and/or temperature of the reactor effluent; transferring the reactor effluent to the heat exchanger to increase the temperature of the feedstreams and/or decrease the temperature of the reactor effluent; and compressing the reactor effluent in a compressor, where the expansion of the reactor effluent drives the compressor.

Abstract: Steam reforming system having a steam cracker and a steam reformer. The steam cracker includes a steam cracking unit to steam crack a feed stream to produce a stream comprising hydrogen, methane and C2+ hydrocarbons; a heat exchanger for cooling the steam cracking product stream; a separation unit for separating the cooled steam cracking product stream into a gas stream including hydrogen and methane and a liquid stream including methane and C2+ hydrocarbons, a demethanizer which is fed the liquid stream producing a third stream containing at least 95% methane and a fourth stream comprising C2+ hydrocarbons. The steam reformer includes a feed preheater which is fed the third stream and steam to provide a preheated stream and a steam reforming unit arranged for heating the preheated stream to at least 800° C. to steam reforming the heated stream and obtain a product stream containing hydrogen and CO2.

Abstract: A process for vaporizing hydrocarbon feedstock comprising pressurizing the hydrocarbon feedstock using a hydrocarbon feedstock pump, preheating the hydrocarbon feedstock in a first heat exchanger and distilling the preheated hydrocarbon feedstock in a medium pressure distillation column connected to the first heat exchanger, and wherein the medium pressure distillation column is operated at a pressure in a range of 0.7 to 1.2 MPa. A system for producing hydrocarbon vapor, comprising a hydrocarbon feedstock pump for pressurizing hydrocarbon feedstock, a first heat exchanger connected to the hydrocarbon feedstock pump, and a medium pressure distillation column connected to the heat exchanger for distilling the heated hydrocarbon feedstock at medium pressure in a range of 0.7 to 1.2 MPa.

Abstract: Methods and systems for producing olefins from a naphtha feedstock are provided. Methods can include pyrolyzing the naphtha feedstock in the presence of hydrogen gas to produce a first effluent, separating the first effluent into light components, heavy components and one or more olefin product streams, steam cracking the light components to produce a second effluent, and extracting aromatics, if any, from the heavy components to produce a third effluent.

Abstract: Methods and systems for improving energy conversion from the heat available in a hydrocarbon feedstream during the production of olefins. In a particular non-limiting embodiment, the method can include increasing the temperature of a hydrocarbon feedstream and a hydrogen gas feedstream via a first heat exchanger; combining the feedstreams and expanding the combined feedstream in an expander to decrease the pressure and/or temperature of the combined feedstream; increasing the temperature of the combined feedstream via a second heat exchanger; feeding the combined feedstream into a reactor to produce a reactor effluent; decreasing the temperature of the reactor effluent; and compressing the reactor effluent in a compressor, where the expansion of the combined feedstream drives the compressor.

Abstract: A separation system for separating a feed stream comprising propylene and propane and a method for separating such feed stream. The separation system includes a distillation column for producing a light stream comprising propylene and a heavy stream comprising propane; a reboiler for reboiling a part of the first heavy stream to produce a boiled heavy stream; a condenser for cooling the light stream to produce a condensed light stream; and an absorption refrigerator for receiving water and providing chilled water, for receiving hot water from a waste heat source and providing a cooled hot water and for receiving cooling water and providing a heated cooling water. The absorption refrigerator is arranged such that the cooling of the water and the hot water occurs by the cooling water. The condenser is arranged such that the cooling of the light stream occurs by the chilled water from the absorption refrigerator.

Abstract: A process for cracking a hydrocarbon stream by: combusting fuel in a gas turbine in the presence of compressed air to produce a flue gas, wherein the flue gas drives a turbine to produce electricity in a coupled generator or work to power a coupled rotating equipment; (a) feeding a first portion of the flue gas to a heat exchanger; (b) feeding ambient air to the heat exchanger to be heated by the first portion of the flue gas to provide heated air; (c) feeding a furnace with fuel and a mixture of a second portion of the flue gas and the heated air obtained by step (c) and (d) cracking the hydrocarbon stream in the furnace.

Abstract: The present invention relates to a process for producing BTX, comprising pyrolysis, aromatic ring opening and BTX recovery. Furthermore, the present invention relates to a process installation to convert a pyrolysis feedstream into BTX, comprising a pyrolysis unit, an aromatic ring opening and a BTX recovery unit.

Abstract: A compression stage for the compression of cracked gas, the compression stage comprising a liquid separating means for separating liquid components from gaseous components of a cracked gas, a compressor connected to the liquid separating means, a gas cooling means connected to the compressor for cooling the compressed gas from the compressor, wherein the gas cooling means are cooled by a first cooling fluid from the cooling fluid source. The stage further comprises gas precooling means connected to the liquid separating means cracked gas, having an inlet for receiving the cracked gas.

Abstract: Methods and system for superheating dilution steam for use in a steam cracking furnace and generating electricity are provided. Methods can include combusting fuel in the presence of compressed air to produce a flue gas, wherein the flue gas drives a turbine to produce electricity. Methods can further include superheating the dilution steam with the flue gas, combining the dilution steam with a feed stream including hydrocarbons to produce a mixed feed stream, and steam cracking the mixed feed stream to produce a product stream.

Abstract: Integrated hydrotreating and steam pyrolysis processes for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals.

Abstract: Steam reforming system having a steam cracker and a steam reformer. The steam cracker includes a steam cracking unit to steam crack a feed stream to produce a stream comprising hydrogen, methane and C2+ hydrocarbons; a heat exchanger for cooling the steam cracking product stream; a separation unit for separating the cooled steam cracking product stream into a gas stream including hydrogen and methane and a liquid stream including methane and C2+ hydrocarbons, a demethanizer which is fed the liquid stream producing a third stream containing at least 95% methane and a fourth stream comprising C2+ hydrocarbons. The steam reformer includes a feed preheater which is fed the third stream and steam to provide a preheated stream and a steam reforming unit arranged for heating the preheated stream to at least 800° C. to steam reforming the heated stream and obtain a product stream containing hydrogen and CO2.

Abstract: An integrated hydrotreating and steam pyrolysis process for the direct processing of a crude oil to produce olefinic and aromatic petrochemicals by separating the crude oil into light components and heavy components.

Abstract: A refrigeration system for cooling a charge gas by a binary refrigerant. The refrigeration system comprises n heat exchangers, n compressor stages, at least one separator and a demethanizer. By flowing depressurized refrigerant through all the subsequent heat exchangers and installing interstage coolers, the overall energy for the refrigeration system is reduced.

Abstract: A process for cracking a hydrocarbon stream by: combusting fuel in a gas turbine in the presence of compressed air to produce a flue gas, wherein the flue gas drives a turbine to produce electricity in a coupled generator or work to power a coupled rotating equipment; (a) feeding a first portion of the flue gas to a heat exchanger; (b) feeding ambient air to the heat exchanger to be heated by the first portion of the flue gas to provide heated air; (c) feeding a furnace with fuel and a mixture of a second portion of the flue gas and the heated air obtained by step (c) and (d) cracking the hydrocarbon stream in the furnace.