FIELD: metallurgy.
SUBSTANCE: invention refers to biotechnology, namely to protection of steel against microbiological corrosion and hydrogenation in water environment containing micellae of mould fungus Aspergillus niger, and is meant for prolongation of service life of building structures of oil and other equipment made from carbon and alloyed steel. Method involves introduction of derived series of hydrazides or series of hydrazones in quantity of 0.25…1 mMol/l to the environment.
EFFECT: invention allows preventing microbiological corrosion and hydrogenation of steel.
8 dwg, 1 tbl
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