Preparation of cyanuric chloride
    2.
    发明授权
    Preparation of cyanuric chloride 失效
    氰化氯的制备

    公开(公告)号:US3578663A

    公开(公告)日:1971-05-11

    申请号:US3578663D

    申请日:1968-12-03

    CPC classification number: C01C3/14

    Abstract: THE YIELD OF CYANURIC CHLORIDE IS INCREASED AND THE LIFE OF AN ACTIVATED CHARCOAL CATALYST USED IN PREPARING CYANURIC CHLORIDE BY CONTACT OF CYANOGEN AND CHLORINE IN THE GAS PHASE AT A TEMPERATURE OF FROM ABOUT 350*C. TO ABOUT 750*C. IS CONSIDERABLY LENGTHENED BY PRETREATMENT OF THE ACTIVATED CHARCOAL CATALYST FOR REMOVAL THEREFROM OF METAL COMPOUNDS, PREFERABLY WITH A METALSOLUBILIZING ACID SUCH AS AQUEOUS HYDROCHLORIC ACID, FORMIC ACID, ACETIC ACID OR DILUTE NITRIC ACID.

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