An engine assembly includes a diesel internal combustion engine and an aftertreatment system coupled to the diesel internal combustion engine. The aftertreatment system includes a diesel oxidation catalyst coupled to the diesel internal combustion engine such that the diesel oxidation catalyst receives exhaust gases from the diesel internal combustion engine. The aftertreatment system includes a plasma generator in fluid communication with the diesel oxidation catalyst, wherein the plasma generator is upstream of the diesel oxidation catalyst and downstream of the diesel internal combustion engine, and the plasma generator is configured to generate oxidizers to at least partially oxidize hydrocarbons in the exhaust gases exiting the diesel internal combustion engine.

The invention relates to hydrocarbon conversion, to equipment and materials useful for hydrocarbon conversion, and to processes for carrying out hydrocarbon conversion, e.g., hydrocarbon pyrolysis processes. The hydrocarbon conversion is carried out in a reactor which includes at least one channeled member that comprises refractory and has an open frontal area 55%. The refractory can include non-oxide ceramic.

According to one or more other aspects of the present disclosure, a system for reforming a liquid hydrocarbon fuel includes a mixing zone with a fuel intake fluidly coupled to a liquid hydrocarbon fuel source and an oxygen-containing gas intake fluidly coupled to an oxygen-containing gas source. The mixing zone further includes at least one atomizing nozzle and a fuel distribution zone downstream the at least on atomizing nozzle. The system also includes a catalyst reaction zone downstream the mixing zone, including a monolith block having a plurality of flow channels defined by monolith walls and a reforming catalyst coated onto the monolith walls. The atomizing nozzle generates a plurality of droplets comprising the liquid hydrocarbon fuel suspended in oxygen-containing gas. The fuel distribution zone distributes the plurality of droplets to each of the plurality of flow channels to contact the reforming catalyst including N-hydroxyphthalimide.

According to one or more other aspects of the present disclosure, a system for reforming a liquid hydrocarbon fuel includes a mixing zone with a fuel intake fluidly coupled to a liquid hydrocarbon fuel source and an oxygen-containing gas intake fluidly coupled to an oxygen-containing gas source. The mixing zone further includes at least one atomizing nozzle and a fuel distribution zone downstream the at least on atomizing nozzle. The system also includes a catalyst reaction zone downstream the mixing zone, including a monolith block having a plurality of flow channels defined by monolith walls and a reforming catalyst coated onto the monolith walls. The atomizing nozzle generates a plurality of droplets comprising the liquid hydrocarbon fuel suspended in oxygen-containing gas. The fuel distribution zone distributes the plurality of droplets to each of the plurality of flow channels to contact the reforming catalyst including N-hydroxyphthalimide.

The invention relates to approach temperatures and approach temperature ranges that are beneficial in operating a pyrolysis reactor, to pyrolysis reactors exhibiting a beneficial approach temperature, to processes for carrying out hydrocarbon pyrolysis in a pyrolysis reactor having a beneficial approach temperature. The pyrolysis reactor can be, e.g., a reverse-flow pyrolysis reactor, such as a regenerative reverse-flow pyrolysis reactor.

The invention relates to hydrocarbon dehydrocyclization to produce products such as aromatic hydrocarbon, to equipment and materials useful for dehydrocyclization, to processes for carrying out dehydrocyclization, and to the use of dehydrocyclization for, e.g., natural gas upgrading. The dehydrocyclization is carried out in a catalytic reaction zone of a reverse-flow reactor.

A flow reactor for photochemical reactions comprises an extended flow passage (20) surrounded by one or more flow passage walls (22), the flow passage having a length and a light diffusing rod (30) having a diameter of at least 500 m and a length, with at least a portion of the length of the rod (30) extending inside of and along the flow passage (20) for at least a portion of the length of the flow passage (20).

An electrical heater is provided, which comprises a ceramic monolith and a metal resistance wire supported on the ceramic monolith. At least a portion of the metal resistance wire, and optionally at least a portion of the ceramic monolith, is coated with a ceramic coating. At least a portion of the ceramic coating isin turnimpregnated with a catalytic metal. A process for manufacturing the electrical heater, and various uses of the heater are also provided.

An engine assembly includes a diesel internal combustion engine and an aftertreatment system coupled to the diesel internal combustion engine. The aftertreatment system includes a diesel oxidation catalyst coupled to the diesel internal combustion engine such that the diesel oxidation catalyst receives exhaust gases from the diesel internal combustion engine. The aftertreatment system includes a plasma generator in fluid communication with the diesel oxidation catalyst, wherein the plasma generator is upstream of the diesel oxidation catalyst and downstream of the diesel internal combustion engine, and the plasma generator is configured to generate oxidizers to at least partially oxidize hydrocarbons in the exhaust gases exiting the diesel internal combustion engine.

A reactor for efficient control of endothermic and exothermic catalytic reactions, including, for example, Fischer Tropsch reactions. Also disclosed are methods of delivering coolant materials and gasification source materials to the reactor.