The present invention provides an apparatus and a method which can be used for improving energy efficiency in production of a chemical product. The apparatus 1 for producing a chemical product comprises a synthesis gas generation unit 11, a synthesis unit 16, and a reforming unit 12. The synthesis gas generation unit 11 generates a synthesis gas by partial oxidation of these carbon sources. The synthesis unit 16 subjects the provided synthesis gas to catalytic reaction so as to synthesize a chemical product. The reforming unit 12 reforms hydrocarbons generated in at least one of the synthesis gas generation unit 11 and the synthesis unit 16 into carbon monoxide and hydrogen, and feeds them into the synthesis unit 16. The reforming unit 12 reforms the hydrocarbons by utilizing heat exhausted from the synthesis gas generation unit 11.
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