ES266785A1 - A procedure for the return of carbon dioxide and ammonium in the urea synthesis (Machine-translation by Google Translate, not legally binding)
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A procedure for the return of carbon dioxide and ammonium in the urea synthesis (Machine-translation by Google Translate, not legally binding)
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FORSCH PATENTVERWERTUNG AG F
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FORSCH PATENTVERWERTUNG AG F
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Publication of ES266785A1publicationCriticalpatent/ES266785A1/en
A procedure for the return, in the synthesis of urea from ammonia and carbon dioxide, under increased pressure and increased temperature, of the ammonium carbamate not transformed into urea, characterized in that the formation of the return solution containing the main part of the ammonium carbamate to be returned is carried out at a pressure higher than that to which the corresponding amount of ammonium carbamate is separated from the synthesis mixture. (Machine-translation by Google Translate, not legally binding)
ES0266785A1960-07-281961-04-21A procedure for the return of carbon dioxide and ammonium in the urea synthesis (Machine-translation by Google Translate, not legally binding)
ExpiredES266785A1
(en)
Procedure for the obtaining of a composition of ammonium nitrate and urea in conditions of explosivity (Machine-translation by Google Translate, not legally binding)
Process of production of an N- (5-nitro-2-furil) hydracide alkyliden of formula o2no-ch = N-a i " (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of N- (5-nitro-2-furfurideno) -3-amino-2-oxazolidenos and new chemical compounds prepared in the course of the same (Machine-translation by Google Translate, not legally binding)