6.
    发明专利
    未知

    公开(公告)号:BR8803516A

    公开(公告)日:1989-02-08

    申请号:BR8803516

    申请日:1988-07-13

    Applicant: DEGUSSA

    Abstract: A specific form of surface coating of Al2O3 catalysts, using additional amounts of aluminium ions and minimum amounts of platinum ions, made it possible to use Al2O3 as a catalyst for long-term operation (150 days and more) in the preparation of hydrogen cyanide from hydrocarbons and ammonia, preferably in the BMA process.

Patent Agency Ranking