Modelling and optimisation for design of hydrogen networks for multi-period operation |
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| Authors: | Muhammad Imran Ahmad Nan Zhang Megan Jobson |
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| Institution: | 1. Department of Chemical Engineering, NWFP University of Engineering and Technology, 25000, Peshawar, Pakistan;2. Centre for Process Integration, School of Chemical Engineering and Analytical Science, The University of Manchester, PO Box 88, Sackville Street, Manchester, M60 1QD, UK;1. Group of Intensification, Modeling, Simulation, Control, and Optimization of Processes. Chemical Engineering Department, Federal University of Rio Grande do Sul (UFRGS), R. Eng. Luiz Englert, s/n. Campus Central, Porto Alegre, RS, Brazil;2. Food and Chemistry School, Federal University of Rio Grande (FURG), R.Barão do Cahy, 125. Cidade Alta - Santo Antônio da Patrulha, RS, Brazil;1. Department of Chemical Engineering, Xi''an Jiaotong University, Xi''an, Shaanxi, 710049, PR China;2. Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, Xi''an Shaanxi, 710049, PR China;1. School of Chemical Engineering & Technology, Xi''an Jiaotong University, Xi''an 710049, China;2. College of Chemical Engineering, State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China;1. Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, PR China;2. State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, PR China;1. Department of Chemical Engineering, Xi''an Jiaotong University, Xi''an, Shaanxi, 710049, PR China;2. Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, Xi''an, Shaanxi, 710049, PR China;1. Centre for Process Integration, School of Chemical Engineering and Analytical Science, The University of Manchester, PO Box 88, Sackville Street, M60 1QD, UK;2. Department of Chemical and Refining Engineering, Faculty of Petroleum and Mining Engineering, Suez Canal University, Suez, Egypt |
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| Abstract: | Hydrogen management is a problem of increasing importance: hydrogen consumption of refineries is rising sharply with additional capacities of hydrocracking and hydrotreating units in order to comply with cleaner fuel specifications. Product Specifications for transportation fuels are becoming increasingly stringent to ensure production of environmentally more benign fuels. Hydrogen management techniques currently do not account for varying operating conditions of hydrogen consuming processes and assume constant operating conditions. A novel approach is developed for the design of flexible hydrogen networks that can remain optimally operable under multiple periods of operation. The proposed methodology for multi-period design of hydrogen networks can take into account pressure differences, maximum capacity of existing equipment, and optimal placement of new equipment such as compressors. |
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