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1980 Lagana Snamprogetti 4235816 Integrated NH3-Urea

This invention describes an integrated ammonia and urea process. Carbon dioxide is stripped from a mixture from steam reforming of hydrocarbons by means of a concentrated ammonia solution and further a ammoniated solution of ammonium carbonate. A solution of ammonium carbamate is obtained which is send to a urea reactor.

 

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