Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1984-08-27
1985-11-12
Warren, Charles F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564 73, 423359, C07C12606
Patent
active
045529795
ABSTRACT:
A process and apparatus are described which enable urea plant process condensate, which is contaminated with urea and other combined forms of ammonia and carbon dioxide, to be converted substantially completely and on a continuous basis, to a gaseous stream comprising steam, ammonia, carbon dioxide and hydrocarbon gas (introduced in the processing of the condensate). The gaseous stream so recovered is employed as feedstock for use in the reformer of the ammonia plant which supplies ammonia and carbon dioxide feedstocks for the synthetic urea plant from which the treated process condensate was derived. In a preferred embodiment the hydrocarbon fuel gas is natural gas. The process of the invention obviates the environmental and like problems hitherto encountered in the handling of urea plant process condensate and also provides marked advantages including improving the economics of operation of the urea plant and associated ammonia reformer plant.
REFERENCES:
patent: 3292998 (1966-12-01), James
patent: 4264567 (1981-04-01), Pinto
patent: 4341640 (1982-07-01), Landis
James-Synthesis Gas Condensate Stripping-168th ACS National Meeting, Atlantic City, N.J., Sep. 11, 1974.
James Chemical Engineering Inc.
Picard R. A.
Warren Charles F.
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