PROCESS FOR THE GRANULATION OF OXAMIDE

    公开(公告)号:CA1168057A

    公开(公告)日:1984-05-29

    申请号:CA397959

    申请日:1982-03-09

    Applicant: HOECHST AG

    Abstract: - 1 - HOE 81/F 046 of the disclosure: A process for the granulation of oxamide (oxalic acid diamide) by compressing pulverulent oxamide having a moisture content of 2 to 8 % by weight of water, relative to the oxamide, under an applied pressure between 30 and 150 kp/cm2, if appropriate as a mixture with finely divided additives which are sparingly soluble or insoluble in water.

    PROCESS FOR THE MANUFACTURE OF CARBON TETRACHLORIDE

    公开(公告)号:CA952542A

    公开(公告)日:1974-08-06

    申请号:CA73417

    申请日:1970-01-29

    Applicant: HOECHST AG

    Abstract: In the process for the manufacture of carbon tetrachloride from benzene, mixtures of benzene and chlorinated aliphatic or aromatic compounds, or chlorinated aromatic compounds, with chlorine in an excess amount of up to 300 percent, in the absence of catalysts in the gaseous phase in two reaction stages at a temperature in the first stage of from 6 DEG to 400 DEG C. and in the second stage of from 400 DEG to 800 DEG C. the space-time-yield is considerably increased by operating in both reaction stages under a pressure in the range of from 200 to 700 atmospheres. The reaction is carried out in a corrosion resistant reactor in continuous manner using 0.2 to 4 moles of organic compound or compounds per liter of reaction space per second.

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