Modeling of ethane pyrolysis process: A study on effects of steam and carbon dioxide on ethylene and hydrogen productions

CATEGORY: HYDROGEN
Chemical Engineering Journal, Volumes 215–216, 15 January 2013, Pages 550–560
Modeling of ethane pyrolysis process: A study on effects of steam and carbon dioxide on ethylene and hydrogen productions
M.S. Shokrollahi Yancheshmeh (a), S. Seifzadeh Haghighi (a), M.R. Gholipour (a), O. Dehghani (a), M.R. Rahimpour (a), (b), S. Raeissi (a)
a Department of Chemical Engineering, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz 71345, Iran
b Gas Center of Excellence, Shiraz University, Shiraz 71345, Iran
Abstract
Researchers explored ethylene and hydrogen production through thermal cracking of ethane in a domestic petrochemical plant.
In the thermal cracking process, a mixture of ethane and steam is introduced into radiant tubes located vertically in a furnace. Steam is used mainly for partial coke removal. The coke deposition along the tubes causes high pressure drops, while also reducing production yield. Researchers modeled and solved numerically the ethane thermal cracking process of the company. A comparison between model results and experimental data shows that the model can predict the process accurately.
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