Process for the production of cyanamide

Details Process for the production of cyanamide Process for the production of cyanamide

1991-08-20

1992-11-24

Langel, Wayne

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C26104

Patent

active

051664321

ABSTRACT:
The present invention provides a process for the production of cyanamide from urea and/or decomposition products thereof at an elevated temperature with the use of a microporous catalyst, wherein, as catalyst, there is used a zeolite and/or a silicoalumophosphate which is doped with transition metal cations selected from the Group IB and VIIB of the Periodic System. In this way, it is possible to increase the conversion, referred to urea, to 60 to 100%, the selectivity with regard to cyanamide thereby being from about 30 to 50% and with regard to the undesired melamine being .ltoreq.2%.

REFERENCES:
patent: 4625061 (1986-11-01), Van Hardeveld et al.
i2-Procestechnologie, No. 2-1987, pp. 11-13, P. C. van Geem et al., "Synthese van cyaanamide uit ureum".

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