Unified Model of Purification Units in Hydrogen Networks

CATEGORY: HYDROGEN
Chinese Journal of Chemical Engineering, Volume 22, Issue 6, June 2014, Pages 730–733
Unified Model of Purification Units in Hydrogen Networks
Sidong WU (a), Yufei WANG (b), Xiao FENG (b)
a School of Chemical Engineering & Technology, Xi'an Jiaotong University, Xi'an 710049, China
b State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
Abstract
Hydrogen purification techniques include hydrocarbon, hydrogen sulfide and CO removal units. Light hydrocarbon recovery from the hydrogen source streams can also result in hydrogen purification.
To simplify the superstructure and mathematical model of hydrogen network integration, authors  unified the models of a variety of purification processes. These included mass balance and the expressions for hydrogen recovery and impurity removal ratios, which are given for all the purification units in refineries. Authors created a superstructure of hydrogen networks with purification processes is constructed based on their proposed unified model,.
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