Abstract: Disclosed is an apparatus and method of preparing synthetic fuel using natural gas extracted from a stranded gas field on land or at sea as a raw material through a compact GTL process or a GTL-FPSO process. A parallel-type gas purification unit for controlling a molar ratio of synthetic gas and a concentration of carbon dioxide in the synthetic gas, in which a CO2 separation device and a bypass unit are disposed in parallel, is provided and, thus, the gas purification unit may prepare the synthetic gas by a steam carbon dioxide reforming (SCR) reaction using natural gas having different CO2 contents of various stranded gas fields and then supply the synthetic gas having an optimum composition suitable for a Fischer-Tropsch synthesis.

Abstract: Disclosed is an apparatus and method of preparing synthetic fuel using natural gas extracted from a standard gas field on land or at sea as a raw material through a compact GTL process or a GTL-FPSO process. A parallel-type gas purification unit for controlling a molar ratio of synthetic gas and a concentration of carbon dioxide in the synthetic gas, in which a CO2 separation device and a bypass unit are disposed in parallel, is provided and, thus, the gas purification unit may prepare the synthetic gas by a steam carbon dioxide reforming (SCR) reaction using natural gas having different CO2 contents of various standard gas fields and then supply the synthetic gas having an optimum composition suitable for a Fischer-Tropsch synthesis reaction to prepare the synthetic fuel.

Abstract: The present invention relates to a core-shell cobalt catalyst used for a Fischer-Tropsch synthesis reaction and a method for preparing the same. More particularly, it relates to a cobalt catalyst, which has a core-shell structure including a cobalt-supported and sintered alumina particle as a core and a zeolite powder coated on the surface of the alumina particle to a thickness of 50 ?m or greater through mechanical alloying as a shell and is used to prepare hydrocarbons with high octane numbers through a Fischer-Tropsch synthesis reaction, and a method for preparing the same.

Abstract: The present disclosure relates to a shell-and-multi-triple concentric-tube reactor and a shell-and-multi-triple concentric-tube heat exchanger, and to a shell-and-multi-triple concentric-tube reactor and a shell-and-multi-triple concentric-tube heat exchanger which provide a new type of reactor and heat exchanger, thereby maximizing catalyst performance and improving performance of the reactor by optimizing heat exchange efficiency and a heat flow, uniformly distributing a reactant, and increasing a flow rate of the reactant, and accordingly making the reactor and the heat exchanger compact.

Abstract: The present invention relates to a method for preparing a synthetic fuel on a vessel above a stranded gas field or an oil & gas field by a GTL-FPSO process, more particularly to a method for preparing a synthetic fuel with superior economic feasibility, productivity and efficiency using a compact GTL (gas to liquid) apparatus that can be used for a stranded gas field or an oil & gas field and an FPSO (floating production, storage and offloading) process under a condition optimized for the ratio of carbon dioxide in the stranded gas field or the oil & gas field and an apparatus for the same.

Abstract: A nickel-supported catalyst for combined steam and carbon dioxide reforming, as a catalyst which is used in a process of preparing a synthesis gas by combined steam and carbon dioxide reforming with natural gas, is provided. More particularly, in the nickel-supported catalyst, nickel is supported as an active metal on a lanthanum oxide support.

Abstract: The present disclosure relates to a shell-and-multi-double concentric-tube reactor and a shell-and-multi-double concentric-tube heat exchanger, and to a shell- and-multi-double concentric-tube reactor and a shell-and-multi-double concentric-tube heat exchanger which provide a new type of reactor and a heat exchanger, thereby maximizing catalyst performance and improving performance of the reactor by optimizing heat exchange efficiency and a heat flow, uniformly distributing a reactant, and increasing a flow rate of the reactant, and accordingly making the reactor and the heat exchanger compact.

Abstract: The present disclosure relates to a shell-and-multi-triple concentric-tube reactor and a shell-and-multi-triple concentric-tube heat exchanger, and to a shell-and-multi-triple concentric-tube reactor and a shell-and-multi-triple concentric-tube heat exchanger which provide a new type of reactor and heat exchanger, thereby maximizing catalyst performance and improving performance of the reactor by optimizing heat exchange efficiency and a heat flow, uniformly distributing a reactant, and increasing a flow rate of the reactant, and accordingly making the reactor and the heat exchanger compact.

Abstract: A nickel-supported catalyst for combined steam and carbon dioxide reforming, as a catalyst which is used in a process of preparing a synthesis gas by combined steam and carbon dioxide reforming with natural gas, is provided. More particularly, in the nickel-supported catalyst, nickel is supported as an active metal on a lanthanum oxide support.

Abstract: The present invention relates to a core-shell cobalt catalyst used for a Fischer-Tropsch synthesis reaction and a method for preparing the same. More particularly, it relates to a cobalt catalyst, which has a core-shell structure including a cobalt-supported and sintered alumina particle as a core and a zeolite powder coated on the surface of the alumina particle to a thickness of 50 ?m or greater through mechanical alloying as a shell and is used to prepare hydrocarbons with high octane numbers through a Fischer-Tropsch synthesis reaction, and a method for preparing the same.

Abstract: The present invention relates to a method for preparing a synthetic fuel on a vessel above a stranded gas field or an oil & gas field by a GTL-FPSO process, more particularly to a method for preparing a synthetic fuel with superior economic feasibility, productivity and efficiency using a compact GTL (gas to liquid) apparatus that can be used for a stranded gas field or an oil & gas field and an FPSO (floating production, storage and offloading) process under a condition optimized for the ratio of carbon dioxide in the stranded gas field or the oil & gas field and an apparatus for the same.

Abstract: The present invention relates to a method for preparing a nickel-based catalyst for steam carbon dioxide reforming (SCR) of natural gas using steam and carbon dioxide, more particularly to a method for preparing a nickel-based catalyst represented by Ni/?-Al2O3, which is prepared by supporting nickel on a spherical ?-alumina support having many acid sites at high density by repeating impregnation and drying tens of times. The catalyst prepared according to the present invention exhibits superior catalytic activity when used in steam carbon dioxide reforming reaction (SCR) even under harsh conditions of high temperature and high pressure and hardly exhibits carbon deposition due to superior durability.

Abstract: The present invention relates to a method for preparing a cobalt-based catalyst for Fischer-Tropsch synthesis, more particularly to a method for preparing a cobalt-based catalyst represented by Ir—Co/?-Al2O3 wherein cobalt and iridium are supported at high density by repeating impregnation and drying tens of times on a spherical ?-alumina support having many acidic sites. The catalyst prepared according to the present invention can provide improved conversion rate of carbon monoxide and selectivity for liquid hydrocarbons when used for Fischer-Tropsch synthesis.

Abstract: Disclosed is a catalyst used for steam carbon dioxide reforming of natural gas, wherein an alkaline earth metal alone or an alkaline earth metal and a group 8B metal are supported on a hydrotalcite-like catalyst containing nickel, magnesium and aluminum. The disclosed catalyst is useful as a steam carbon dioxide reforming (SCR) catalyst of natural gas at high temperature and high pressure, while minimizing deactivation of the catalyst due to sintering of the active component nickel and deactivation of the catalyst due to coke generation at the same time. A synthesis gas prepared using the catalyst has a H2/CO molar ratio maintained at 1-2.2. A synthesis gas having a H2/CO molar ratio of 1.8-2.2 may be used as a raw material for Fischer-Tropsch synthesis or methanol synthesis and a synthesis gas having a H2/CO molar ratio of may be used as a raw material for dimethyl ether synthesis.

Abstract: The present invention relates to an Fe-modified perovskite-type catalyst, a method for preparing same and a method for preparing a synthesis gas by a combined reforming reaction using same. More particularly, it relates to a catalyst for a combined natural gas/steam/carbon dioxide reforming reaction having a perovskite structure with La and Sr introduced at the A site and Ni and Fe introduced at the B site with specific molar ratios and a method for producing a synthesis gas for Fischer-Tropsch synthesis or methanol synthesis using the catalyst by the combined reforming reaction. The catalyst of the present invention exhibits higher carbon dioxide conversion rate, significantly reduced catalyst deactivation caused by carbon deposition and improved long-term catalyst stability and activity, as compared to the existing catalyst for reforming reaction prepared by the impregnation method.

Abstract: The present invention relates to a method for preparing a nickel-based catalyst for steam carbon dioxide reforming (SCR) of natural gas using steam and carbon dioxide, more particularly to a method for preparing a nickel-based catalyst represented by Ni/?-Al2O3, which is prepared by supporting nickel on a spherical ?-alumina support having many acid sites at high density by repeating impregnation and drying tens of times. The catalyst prepared according to the present invention exhibits superior catalytic activity when used in steam carbon dioxide reforming reaction (SCR) even under harsh conditions of high temperature and high pressure and hardly exhibits carbon deposition due to superior durability.

Abstract: The present invention relates to a method for preparing a cobalt-based catalyst for Fischer-Tropsch synthesis, more particularly to a method for preparing a cobalt-based catalyst represented by Ir—Co/?-Al2O3 wherein cobalt and iridium are supported at high density by repeating impregnation and drying tens of times on a spherical ?-alumina support having many acidic sites. The catalyst prepared according to the present invention can provide improved conversion rate of carbon monoxide and selectivity for liquid hydrocarbons when used for Fischer-Tropsch synthesis.

Abstract: Disclosed is a catalyst used for steam carbon dioxide reforming of natural gas, wherein an alkaline earth metal alone or an alkaline earth metal and a group 8B metal are supported on a hydrotalcite-like catalyst containing nickel, magnesium and aluminum. The disclosed catalyst is useful as a steam carbon dioxide reforming (SCR) catalyst of natural gas at high temperature and high pressure, while minimizing deactivation of the catalyst due to sintering of the active component nickel and deactivation of the catalyst due to coke generation at the same time. A synthesis gas prepared using the catalyst has a H2/CO molar ratio maintained at 1-2.2. A synthesis gas having a H2/CO molar ratio of 1.8-2.2 may be used as a raw material for Fischer-Tropsch synthesis or methanol synthesis and a synthesis gas having a H2/CO molar ratio of may be used as a raw material for dimethyl ether synthesis.

Abstract: The present invention relates to an Fe-modified perovskite-type catalyst, a method for preparing same and a method for preparing a synthesis gas by a combined reforming reaction using same. More particularly, it relates to a catalyst for a combined natural gas/steam/carbon dioxide reforming reaction having a perovskite structure with La and Sr introduced at the A site and Ni and Fe introduced at the B site with specific molar ratios and a method for producing a synthesis gas for Fischer-Tropsch synthesis or methanol synthesis using the catalyst by the combined reforming reaction. The catalyst of the present invention exhibits higher carbon dioxide conversion rate, significantly reduced catalyst deactivation caused by carbon deposition and improved long-term catalyst stability and activity, as compared to the existing catalyst for reforming reaction prepared by the impregnation method.