Abstract: Systems and methods for coupling a chemical looping arrangement and a supercritical CO2 cycle are provided. The system includes a fuel reactor, an air reactor, a compressor, first and second heat exchangers, and a turbine. The fuel reactor is configured to heat fuel and oxygen carriers resulting in reformed or combusted fuel and reduced oxygen carriers. The air reactor is configured to re-oxidize the reduced oxygen carriers via an air stream. The air stream, fuel, and oxygen carriers are heated via a series of preheaters prior to their entry into the air and fuel reactors. The compressor is configured to increase the pressure of a CO2 stream to create a supercritical CO2 stream. The first and second heat exchangers are configured to heat the supercritical CO2 stream, and the turbine is configured to expand the heated supercritical CO2 stream to generate power.

Abstract: Systems and methods for coupling a chemical looping arrangement and a supercritical CO2 cycle are provided. The system includes a fuel reactor, an air reactor, a compressor, first and second heat exchangers, and a turbine. The fuel reactor is configured to heat fuel and oxygen carriers resulting in reformed or combusted fuel and reduced oxygen carriers. The air reactor is configured to re-oxidize the reduced oxygen carriers via an air stream. The air stream, fuel, and oxygen carriers are heated via a series of preheaters prior to their entry into the air and fuel reactors. The compressor is configured to increase the pressure of a CO2 stream to create a supercritical CO2 stream. The first and second heat exchangers are configured to heat the supercritical CO2 stream, and the turbine is configured to expand the heated supercritical CO2 stream to generate power.

Abstract: The present disclosure is directed to systems and methods for low-CO2 emission combustion of liquid fuel with a gas-assisted liquid fuel oxygen reactor. The system comprises an atomizer that sprays fuel and CO2 into an evaporation zone, where the fuel and CO2 is heated into a vaporized form. The system comprises a reaction zone that receives the vaporized fuel and CO2. The system includes an air vessel having an air stream, and a heating vessel adjacent to the air vessel that transfers heat to the air vessel. The system comprises an ion transport membrane in flow communication with the air vessel and reaction zone. The ion transport membrane receives O2 permeating from the air stream and transfers the O2 into the reaction zone resulting in combustion of fuel. The combustion produces heat and creates CO2 exhaust gases that are recirculated in the system limiting emission of CO2.

Abstract: A solid oxide fuel cell (SOFC) system including a steam reformer, a hydrogen purification system, a pre-reformer, and a solid oxide fuel cell.

Abstract: Disclosed is an alternative fuel fueling station useful for fueling both electrical and hydrogen alternative fuel vehicles simultaneously. The alternative fuel fueling station includes a solid oxide fuel cell, an electrical conduit, and a compressed hydrogen conduit, such that the alternative fuel fueling station can fuel both the electrical and hydrogen alternative fuel vehicles simultaneously.

Abstract: The present disclosure is directed to systems and methods for low-CO2 emission combustion of liquid fuel with a gas-assisted liquid fuel oxygen reactor. The system comprises an atomizer that sprays fuel and CO2 into an evaporation zone, where the fuel and CO2 is heated into a vaporized form. The system comprises a reaction zone that receives the vaporized fuel and CO2. The system includes an air vessel having an air stream, and a heating vessel adjacent to the air vessel that transfers heat to the air vessel. The system comprises an ion transport membrane in flow communication with the air vessel and reaction zone. The ion transport membrane receives O2 permeating from the air stream and transfers the O2 into the reaction zone resulting in combustion of fuel. The combustion produces heat and creates CO2 exhaust gases that are recirculated in the system limiting emission of CO2.

Abstract: According to one embodiment described in this disclosure, a process for producing propylene may comprise at least partially metathesizing a first stream comprising at least about 10 wt. % butene to form a metathesis-reaction product, at least partially cracking the metathesis-reaction product to form a cracking-reaction product comprising propylene, and at least partially separating propylene from the cracking-reaction product to form a product stream comprising at least about 80 wt. % propylene.

Abstract: According to one embodiment described in this disclosure, a process for producing propylene may comprise at least partially metathesizing a first stream comprising at least about 10 wt. % butene to form a metathesis-reaction product, at least partially cracking the metathesis-reaction product to form a cracking-reaction product comprising propylene, and at least partially separating propylene from the cracking-reaction product to form a product stream comprising at least about 80 wt. % propylene.

Abstract: A system integrating heavy fuel coking and chemical looping combustion is provided. The system includes a source of heavy fuel, a cracking reactor into which the fuel and metal oxides are introduced, a fuel reactor in fluid communication with the cracking reactor, and an air reactor in fluid communication with the fuel reactor. In the cracking reactor, the fuel undergoes a cracking reaction forming products and petcoke deposits on the metal oxides. The fuel reactor is configured to gasify metal oxides with petcoke deposits to produce syngas and reduce the metal oxides. The system transports a first portion of the reduced metal oxides to the cracking reactor and a second portion to the fuel reactor. The air reactor is configured to receive reduced metal oxides from the fuel reactor and oxidize them. The system is further configured to transport the oxidized metal oxides to the fuel reactor.

Abstract: A solid oxide fuel cell (SOFC) system including a steam reformer, a hydrogen purification system, a pre-reformer, and a solid oxide fuel cell.

Abstract: According to one or more embodiments described herein, propylene may be produced by a process which may comprise one or more of at least partially metathesizing a first portion of a first stream to form a first metathesis-reaction product, at least partially cracking the first metathesis-reaction product to form a cracking-reaction product.

Abstract: According to one embodiment described in this disclosure, a process for producing propylene may comprise at least partially metathesizing a first stream comprising at least about 10 wt. % butene to form a metathesis-reaction product, at least partially cracking the metathesis-reaction product to form a cracking-reaction product comprising propylene, and at least partially separating propylene from the cracking-reaction product to form a product stream comprising at least about 80 wt. % propylene.

Abstract: A method for producing a purified carbon dioxide product suitable for EOR and surplus electricity uses a vaporous hydrocarbon feed and a SOFC system. A SOFC system includes a condensate removal system, an acid gas removal system, a hydrodesulfurization system, a sorption bed system, a pre-reformer, a solid oxide fuel cell, a CO2 separations system and a CO2 dehydration system operable to form the purified carbon dioxide product, where the SOFC system is operable to produce surplus electricity from the electricity produced by the solid oxide fuel cell. A method of operating the pre-reformer to maximize the internal reforming capacity of a downstream solid oxide fuel cell uses a pre-reformer fluidly coupled on the upstream side of a solid oxide fuel cell. A method of enhancing hydrocarbon fluid recovery from a hydrocarbon-bearing formation using a SOFC system.

Abstract: Disclosed is an alternative fuel fueling station useful for fueling both electrical and hydrogen alternative fuel vehicles simultaneously. The alternative fuel fueling station includes a solid oxide fuel cell, an electrical conduit, and a compressed hydrogen conduit, such that the alternative fuel fueling station can fuel both the electrical and hydrogen alternative fuel vehicles simultaneously.

Abstract: A system for removing ash deposits within a boiler is provided. The system includes a soot blower disposed within the boiler, and a gas supply line in fluid communication with the soot blower and a gas source. The soot blower is operative to inject compressed gas from the gas source into the boiler to remove the ash deposits from a surface of the boiler.

Abstract: A chemical looping combustion (CLC) process for sour gas combustion is integrated with a gas turbine combined cycle and a steam generation unit, and is configured to provide in-situ removal of H2S from the sour gas fuel by reacting the H2S with a oxygen carrier at a location within the fuel reactor of the CLC unit. The process is also configured such that oxygen-rich exhaust gases from the gas turbine combined cycle is used to feed the air reactor of the CLC unit and re-oxidize oxygen carriers for recirculation in the CLC unit.

Abstract: According to one or more embodiments described herein, propylene may be produced by a process which may comprise one or more of at least partially metathesizing a first portion of a first stream to form a first metathesis-reaction product, at least partially cracking the first metathesis-reaction product to form a cracking-reaction product.

Abstract: Disclosed is an alternative fuel fueling station useful for fueling both electrical and hydrogen alternative fuel vehicles simultaneously. The alternative fuel fueling station includes a solid oxide fuel cell, an electrical conduit, and a compressed hydrogen conduit, such that the alternative fuel fueling station can fuel both the electrical and hydrogen alternative fuel vehicles simultaneously.

Abstract: According to one or more embodiments described herein, a process for producing propylene, the process comprising at least partially metathesizing a first portion of a first stream to form a first metathesis-reaction product, at least partially cracking the first metathesis-reaction product to form a cracking-reaction product, the cracking reaction product comprising propylene and ethylene, at least partially separating ethylene from at least the cracking reaction product to form a first recycle stream, combining the first recycle stream with a second portion of the first stream to a form a mixed stream, and at least partially metathesizing the mixed stream to from a second metathesis-reaction product. In embodiments, the second metathesis-reaction product may comprise propylene, the first stream may comprise butene, and the first recycle stream may comprise ethylene.

Abstract: A system for regulating the viscosity of a fluid prior to atomization includes a temperature controller configured to adjust a temperature of a fluid flowing in a conduit prior to atomization of the fluid by an atomizer fluidly connected to the conduit and a sensor in communication with the temperature controller such that the sensor can provide an indicator to the temperature controller of a viscosity of the fluid flowing in the conduit prior to atomization. An adjustment to the temperature of the fluid by the temperature controller is based at least in part on the measured viscosity indicator of the fluid, a target atomization-viscosity of the fluid, and a coking temperature of the fluid.