Process for converting petroleum coke to a nitrogen containing fertilizermulch
    16.
    发明授权
    Process for converting petroleum coke to a nitrogen containing fertilizermulch 失效
    将石油焦转化成含氮肥料的方法

    公开(公告)号:US3595638A

    公开(公告)日:1971-07-27

    申请号:US3595638D

    申请日:1969-11-24

    Applicant: TEXACO INC

    CPC classification number: C05F11/00

    Abstract: PETROLEUM COKE IS CONVERTED TO A PRODUCT CONTAINING UP TO 12.3% NITROGEN BY AMMOXIDATION OF THE COKE FOLLOWED BY TREATING THE AMMOXIDIZED PRODUCT WITH CONCENTRATED NITRIC ACID AND NEUTRALIZING THE RESULTING PRODUCT WITH CONCENTRATED AMMONIUM HYDROXIDE. IF THE INITIAL AMMOXIDATION STEP IS OMITTED A PRODUCT CONTAINING AROUND 7% NITROGEN IS OBTAINED. THE PRODUCT WILL NOT HARM PLANTS AND ACTS AS A MULCH AFTER ITS NITROGEN HAS BEEN DEPLETED. A MICRONUTRIENT SUCH AS BORAX OR A SIMILAR WATER-SOLUBLE SALT CAN BE ADDER EITHER DURING THE AMMOXIDATION OR THE NEUTRALIZATION STEPS TO FORM A PRODUCT WHICH IS BOTH A MICRONUTRIENT AND A SOURCE NITROGEN.

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