FIELD: chemistry.
SUBSTANCE: invention relates to an integrated method, in which pure iron carbonyl powder is prepared by decomposition of pure iron pentacarbonyl in a plant A, and carbon monoxide (CO) liberated during decomposition of iron pentacarbonyl is used in plant A for further preparation of iron carbonyl powder from iron or is fed into a connected plant B for preparation of synthesis gas or is fed into a connected plant C for preparation of hydrocarbons from synthesis gas. The iron carbonyl powder prepared in plant A is used as catalyst or catalyst component in the connected plant C for preparation of hydrocarbons from synthesis gas from plant B, and spent catalyst obtained in plant C is used as additional iron source for preparation iron carbonyl powder in plant A.
EFFECT: use of the disclosed method enables to avoid wastes such as salts or waste water.
11 cl, 4 dwg
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