Process for recovery of solid and reusable urea from the urea ad

Details Process for recovery of solid and reusable urea from the urea ad Process for recovery of solid and reusable urea from the urea ad

1997-12-03

1998-12-08

O'Sullivan, Peter

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

Organic compounds

Amino nitrogen containing

564 15, 564 63, 208 24, 208289, 196 145, C07C27316

Patent

active

058472096

ABSTRACT:
A process for recovery of solid and reusable urea from the urea adduction process. Refinery streams are subjected to a step of urea adduction for removal of unwanted branched products, aromatics and sulphur. The adduct is purified, dried and then subjected to the step of mechanical shearing.

REFERENCES:
patent: 2619501 (1952-11-01), Ray

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