Prevention of corrosion using heterocyclic nitrogen compounds
    73.
    发明授权
    Prevention of corrosion using heterocyclic nitrogen compounds 失效
    使用杂环氮化合物防止腐蚀

    公开(公告)号:US3553101A

    公开(公告)日:1971-01-05

    申请号:US3553101D

    申请日:1968-05-17

    CPC classification number: C23F11/04

    Abstract: CORROSION OF METALS BY AQUEOUS ACIDIC SOLUTIONS IS MARKEDLY INHIBITED BY THE PRESENCE OF A HETEROCYCLIC NITROGEN COMPOUND HAVING A 5-MEMBER RING CONTAINING 2 OR 3 NITROGEN ATOMS. TYPICAL COMPOUNDS ARE PYRAZOLE AND 1,2, 4-TRIAZOLE. CORROSION OF CHEMICAL AND PETROLEUM PROCESS EQUIPMENT HANDLING HYDROCARBON AND OTHER CHEMICAL STREAMS CONTAINING ACIDIC SUBSTANCES IS MINIMIZED BY THE PRESENCE OF A CORROSION INHIBITOR OF THIS INVENTION.

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