Patent · US Active

Urea production plant and scrubbing system

US11958793B2 · kind B2 · utility

0Cited by

5References

11Claims

0Family size

Assignees

thyssenkrupp Fertilizer Technology GmbH · DE
thyssenkrupp AG · DE

Inventors

Harald Franzrahe · Dortmund, DE
Axel Erben · Dortmund, DE
Simon Koch · Dörzbach, DE

Key dates

Filing date	Apr 12, 2019
Grant date	Apr 16, 2024
Priority date	—
Expiry date	Aug 4, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2009/0086
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A urea production plant including a synthesis and recovery section has a first evaporation section connected with the synthesis and recovery section and a first condensation section. A granulation section is connected to the first evaporation section. A scrubbing section is connected to the granulation section. A second evaporation section is connected to the scrubbing section. The second evaporation section is connected to the granulation section. A second condensation section is connected to the second evaporation section. A quenching section includes a liquid inlet for the distribution of a quenching liquid is located and connected between the granulation section and the scrubbing section and the quenching section is connected to a quenching liquid providing section and the second condensation section.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.