Process for increasing the capacity of a urea plant

Details Process for increasing the capacity of a urea plant Process for increasing the capacity of a urea plant

2006-08-22

2006-08-22

O'Sullivan, Peter (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S066000, C564S067000, C564S070000, C564S071000, C564S072000, C544S201000, C422S129000, C422S186220, C422S200000

Reexamination Certificate

active

07094927

ABSTRACT:
Process for increasing the capacity of a urea plant comprising a compression section, a high-pressure synthesis section, a urea recovery section, in which a urea melt is formed, and optionally a granulation section, the capacity of the urea plant being increased by the additional installation of a melamine plant and the urea melt from the urea recovery section of the urea plant being fed wholly or partly to the melamine plant and the residual gases from the melamine plant being returned wholly or partly to the high-pressure synthesis section and/or the urea recovery section of the urea plant.

REFERENCES:
patent: 98 08808 (1998-03-01), None
International Search Report for PCT/NL2003/000509.

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