SK Innovation Patente

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The present invention relates to a method and a system for producing aviation fuel. This method comprises the steps of preparing FT syncrude as a feed; introducing the feed into a first distillation column for separating the feed into a plurality of fractions including an aviation fuel boiling point range fraction and an aviation fuel boiling point range exceeding fraction; introducing the aviation fuel boiling point range exceeding fraction into an HCK reactor to produce an HCK reaction product; recycling at least a portion of the HCK reaction product into the first distillation column; introducing the aviation fuel boiling point range fraction into an HDI reactor to produce an HDI reaction product; and recovering aviation fuel from the HDI reaction product.

A poly(lactic-co-glycolic acid)-containing resin composition according to exemplary embodiments may include a poly(lactic-co-glycolic acid) (PLGA) polymer, a zinc-containing ionomer (Zn ionomer) and an ethylene terpolymer. The PLGA polymer may exceed 65 wt% and less than 100 wt% based on a total weight of the resin composition.

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The present disclosure provides a method for preparing hydrocarbons, comprising the steps of: (S1) heat treating organic waste so as to generate a first mixed gas; (S2) dry reforming the first mixed gas in a first fluidized bed reactor so as to generate a second mixed gas; (S3) separating the second mixed gas into a first stream that comprises carbon dioxide and a second stream that comprises hydrogen and carbon monoxide; (S4) introducing the first stream, which was separated out in step (S3), to a second fluidized bed reactor and converting same into carbon monoxide through a reverse Boudouard reaction; (S5) mixing the second stream and the carbon monoxide, which was converted in step (S4), so as to prepare a third mixed gas; (S6) generating syngas from the third mixed gas through a water-gas shift reaction; and (S7) preparing hydrocarbons from the syngas through a catalytic reaction.

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Disclosed is a method for producing hydrocarbons, the method comprising the steps of: S1) thermally decomposing a mixed waste to produce a first mixed gas; S2) steam-reforming the first mixed gas, removed of impurities, in a first fluidized bed reactor to produce a second mixed gas; S3) separating the second mixed gas into a first stream containing carbon dioxide and a second stream containing hydrogen and carbon monoxide; S4) introducing the first stream, separated in step S3), into a second fluidized bed reactor and converting the first stream into carbon monoxide through a reverse Boudouard reaction; S5) mixing the second stream and the carbon monoxide, converted in step S4), to produce a third mixed gas, and producing a synthesis gas (Syngas) through a water-gas conversion reaction using the third mixed gas; and S6) producing hydrocarbons from the synthetic gas through a catalytic reaction.

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An anode for a lithium secondary battery according to embodiments of the present disclosure includes an anode current collector, a first anode active material layer disposed on at least one surface of the anode current collector, and a second anode active material layer disposed on the first anode active material layer and including artificial graphite. A first Raman peak area ratio of the first anode active material layer is 1 to 2, and a second Raman peak area ratio of the second anode active material layer is 0.2 to 0.5.

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The present disclosure provides a method for producing hydrocarbons, comprising steps of: (S1) heat-treating organic waste in a pyrolysis reactor to generate a first mixed gas; (S2) methane reforming the first mixed gas in a reforming reactor to generate a second mixed gas; (S3) separating the second mixed gas into a first stream containing carbon dioxide and a second stream containing hydrogen and carbon monoxide; (S4) injecting the first stream and carbon into a reverse Boudouard reactor and converting same into carbon monoxide through a reverse Boudouard reaction; (S5) generating a third mixed gas by mixing the second stream and the carbon monoxide converted in step (S4); (S6) producing synthesis gas from the third mixed gas through a water gas shift reaction; and (S7) producing hydrocarbons from the synthesis gas through a catalytic reaction, wherein the reforming reactor in step (S2) includes a fluidized bed reforming reactor and a fixed bed reforming reactor connected in parallel, and the first mixed gas is switched and supplied to the fluidized bed reforming reactor or the fixed bed reforming reactor.

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The present disclosure provides a method for producing hydrocarbon, comprising the steps of: (S1) generating a first mixed gas by heat-treating organic waste; (S2) generating a second mixed gas by dry-reforming the first mixed gas in a first fixed-bed reactor; (S3) separating the second mixed gas into a first stream including carbon dioxide and a second stream including hydrogen and carbon monoxide; (S4) introducing the first stream obtained by separation in step (S3) into a second fixed-bed reactor and converting the first stream into carbon monoxide through a reverse Boudouard reaction; (S5) producing a third mixed gas by mixing the second stream and the carbon monoxide obtained by conversion in step (S4); (S6) generating a synthetic gas from the third mixed gas through a water gas shift reaction; and (S7) producing hydrocarbon from the synthetic gas through a catalytic reaction.

The present disclosure provides a method for producing hydrocarbon, comprising the steps of: (S1) generating a first mixed gas by heat-treating organic waste; (S2) generating a second mixed gas by steam-reforming the first mixed gas in a first fixed-bed reactor; (S3) separating the second mixed gas into a first stream including carbon dioxide and a second stream including hydrogen and carbon monoxide; (S4) introducing the first stream obtained by separation in step (S3) into a second fixed-bed reactor and converting the first stream into carbon monoxide through a reverse Boudouard reaction; (S5) producing a third mixed gas by mixing the second stream and the carbon monoxide obtained by conversion in step (S4); (S6) generating a synthetic gas from the third mixed gas through a water gas shift reaction; and (S7) producing hydrocarbon from the synthetic gas through a catalytic reaction.

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The present disclosure relates to a method for producing light olefins and, more particularly, to a method for producing light olefins which can increase the production yield of light olefins and minimize the generation of carbon dioxide. The method for producing light olefins according to the present disclosure comprises the steps of: S1) pyrolyzing waste plastics to produce pyrolysis oil and pyrolysis gas; S2) separating the pyrolysis oil and pyrolysis gas; S3) producing a first gas from which impurities are removed by purifying the separated pyrolysis gas; S4) steam-reforming the first gas to manufacture a second gas; S5) producing a first synthesis gas from the second gas; S6) producing a second synthesis gas by converting carbon monoxide in the synthesis gas into hydrogen and carbon dioxide through a water gas shift reaction; S7) preparing a first mixed solution containing methanol by converting the second synthesis gas into methanol through a hydrogenation reaction; and (S8) preparing a second mixed solution containing light olefins through an olefin conversion reaction of methanol contained in the first mixed solution, and recovering the light olefins from the second mixed solution.

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