Process for reducing the residual free ammonia emissions from an

Details Process for reducing the residual free ammonia emissions from an Process for reducing the residual free ammonia emissions from an

1998-06-25

2000-07-04

Kumar, Shailendra

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

Organic compounds

Amino nitrogen containing

564 3, 564 67, 504327, C07C27316

Patent

active

06084129&

ABSTRACT:
A process for reducing the residual free ammonia emissions from an urea production plant comprises the step of feeding a gas flow comprising carbon dioxide (8) to a melt urea flow (3) coming from the concentration section (13) of the plant.

REFERENCES:
patent: 4001320 (1977-01-01), Kassenbrood
patent: 4308234 (1981-12-01), Pastormerlo
patent: 4320103 (1982-03-01), Pagani
patent: 5527961 (1996-06-01), Granelli et al.

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