Naslov
Optimizing the urea reactor

Autori
Fabek, Robert ; Matijašević, Ljubica

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
7th World Congress of Chemical Engineering / - Glasgow : IChemE, 2005

Skup
7th World Congress of Chemical Engineering

Mjesto i datum
Glasgow, Ujedinjeno Kraljevstvo, 10.07.2005. - 14.07.2005

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
urea reactor; optimizing; sensitivity analysis

Sažetak
The aim of this work is to describe a model of the urea reactor and carbamate condenser of an industrial urea plant based on carbon dioxide stripping technology using ChemCAD in order to provide a quantitative and qualitative description necessary for optimizing the whole urea process. A plate type synthesis reactor, which is used on the observed plant, is represented in such a way that each plate of the synthesis reactor is modeled as a combination of the equilibrium and continuous stirred tank reactor. The validity of the proposed model is demonstrated using industrial data. It was found that the results of the model closely match the industrial data. The effect of the changes in the NH3/CO2 feed moll ratio, the H2O/CO2 feed mol ratio, and the pressure of the shell of the carbamate condenser on the behavior of the urea reactor was investigated based on the model developed in this work. Consideration is also given to the formation of biuret in the urea reactor which depends on the pressure of the shell of the carbamate condense

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo

POVEZANOST RADA