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The Ruhr: built on energy

 
RecShow '08

Middle East Recycling, Waste & Environmental
Management Exhibition & Congress



Successfully Concluded on Feb. 19th , 2008

 

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STUDY OF CAPTURING EMMITTED CO2 IN THE FORM OF HYDRATES IN A TUBULAR REACTOR

M. Sarshar, F. Esmaeilzadeh and J. Fathikalajahi

Chemical and Petroleum Engineering Department, School of Engineering, Shiraz University, Zand Street, Shiraz, Iran
Fars ERC, Institute of Engineering, Modares Street, Shiraz, Iran

Stabilizing atmospheric CO2 concentration needs the development of the novel methods for capturing it in the form of permanent reservoirs. Amongst the proposed methods is the CO2 storage in the form of hydrate. In this study a method is established for CO2 conversion to hydrate. This method can be applied to bioethanol plants which produce CO2 as a byproduct of ethanol fermentation. In this regard, a tubular recirculating flow reactor is developed for the study of CO2 hydrate formation. The experiments are carried out at 279 (K) and 3.5-4 MPa to determine the rate of CO2 hydrate formation. Further, a model was developed for prediction of the rate of hydrate formation based on the mass transfer, crystallization and thermodynamic concepts. The predicted hydrae formation rate was compared to the experimental data to validate the model prediction. The comparisons have been carried out at different operating conditions which good agreements are noticed.

Keywords: CO2 hydrate; Tubular reactor; Gas storage; Sequestration; Air pollution





 

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