SYSTEM AND METHOD FOR CONVERTING CO2 INTO FUEL

Japanese Patent JP2023035720

A

To provide a system capable of stably producing hydrocarbons with high efficiency from fluctuating renewable energy power by combining a hydro-carbonation reaction of CO2 and steam electrolysis.MEANS FOR SOLVING THE PROBLEM: A system according to the present invention comprises: a water electrolysis device that generates hydrogen by performing electrolysis of water vapor by utilizing fluctuating electric power that is derived from renewable energy; a reactor that generates a hydrocarbon by reacting CO2 with hydrogen; an evaporator that generates water vapor by evaporating water by means of a heat generated by the reaction in the reactor; a heat exchanger that heats the water vapor by means of exhaust from the water electrolysis device and supplies the water vapor to the electrolysis device; and a heat storage unit for the reactor, the heat storage unit having a heat storage material that stores heat generated by the hydro-carbonization.SELECTED DRAWING: Figure 1

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SUGIMASA MASATOSHI
GUNJI AKIRA

JP2021142771A

March 13, 2023

September 01, 2021

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HITACHI LTD

C10L3/08; C07C1/12; C07C9/04; C09K5/06; C10G2/00; F28D20/00; F28D20/02

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