Systematic approach for targeting interplant hydrogen networks

Chun Deng, Yuhang Zhou, Cheng-Liang Chen and Xiao Feng

Energy, 2015, vol. 90, issue P1, 68-88

Abstract: This study proposes a systematic method for targeting the interplant hydrogen network with direct and purification reuse/recycle schemes. The generalized Improved Problem Table is proposed to locate the flowrate targets of individual and interplant hydrogen networks. The constructed limiting composite curves and optimal hydrogen supply lines are utilized to illustrate the insights of the proposed approach. The generalized Improved Problem Table incorporated with mass balance equations is applied to determine the optimal targets (i.e. the optimal flowrates of hydrogen utility and product of the purifier, optimal feed impurity of purifier) of hydrogen network with purification reuse/recycle. Two scenarios of interplant hydrogen integration with direct reuse/recycle are investigated. The case study shows that the conservation ratio of the flowrate of hydrogen utility in Scenario 2 is greater than or equal to that in Scenario 1 and that with purification reuse/recycle scheme is increased sharply. Meanwhile the optimal feed impurity of purifier is greater than or equal to the pinch impurity with direct reuse/recycle scheme. The energy performance evaluation shows that interplant hydrogen integration offers an impressive way to reduce the equivalent energy consumption.

Keywords: Pinch analysis; Problem table; Interplant; Hydrogen network; Purification (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:90:y:2015:i:p1:p:68-88

DOI: 10.1016/j.energy.2015.05.054

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