Modeling of fluidized bed membrane reactors for hydrogen production from steam methane reforming with Aspen Plus

“…For instance, Rossetti et al [39] quantified electrical power, thermal energy output, and overall efficiency of a plant based on SRE. Genyin et al [40] created a user-defined model built in FORTRAN (version 9.0, Aspen Tech, Burlington, MA, USA, 2016) to simulate a fluidized bed membrane reactor for H 2 production. The main limitation of the simulator is that it requires detailed information on the kinetics of the process in order to adequately predict the experimental data.…”

Section: Introductionmentioning

confidence: 99%

Response Surface Methodology and Aspen Plus Integration for the Simulation of the Catalytic Steam Reforming of Ethanol

2017

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Abstract:The steam reforming of ethanol (SRE) on a bimetallic RhPt/CeO 2 catalyst was evaluated by the integration of Response Surface Methodology (RSM) and Aspen Plus (version 9.0, Aspen Tech, Burlington, MA, USA, 2016). First, the effect of the Rh-Pt weight ratio (1:0, 3:1, 1:1, 1:3, and 0:1) on the performance of SRE on RhPt/CeO 2 was assessed between 400 to 700 • C with a stoichiometric steam/ethanol molar ratio of 3. RSM enabled modeling of the system and identification of a maximum of 4.2 mol H 2 /mol EtOH (700 • C) with the Rh 0.4 Pt 0.4 /CeO 2 catalyst. The mathematical models were integrated into Aspen Plus through Excel in order to simulate a process involving SRE, H 2 purification, and electricity production in a fuel cell (FC). An energy sensitivity analysis of the process was performed in Aspen Plus, and the information obtained was used to generate new response surfaces. The response surfaces demonstrated that an increase in H 2 production requires more energy consumption in the steam reforming of ethanol. However, increasing H 2 production rebounds in more energy production in the fuel cell, which increases the overall efficiency of the system. The minimum H 2 yield needed to make the system energetically sustainable was identified as 1.2 mol H 2 /mol EtOH. According to the results of the integration of RSM models into Aspen Plus, the system using Rh 0.4 Pt 0.4 /CeO 2 can produce a maximum net energy of 742 kJ/mol H 2 , of which 40% could be converted into electricity in the FC (297 kJ/mol H 2 produced). The remaining energy can be recovered as heat.

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“…Hydrogen and methanol have been identified as ideal energy carriers to support sustainable energy development. Widespread use of them, if generated in an advantageous manner, could contribute to alleviation of the growing concerns about the world's energy supply, security, air pollution and greenhouse gas emissions (Ye et al, 2009). …”

Section: Introductionmentioning

confidence: 99%

A comparative study of two different membranes applied for auto-thermal methanol synthesis process

Rahmani

Haghighi

Estifaee

et al. 2012

Journal of Natural Gas Science and Engineering

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Modeling of fluidized bed membrane reactors for hydrogen production from steam methane reforming with Aspen Plus

Cited by 92 publications

References 14 publications

Syngas production from oxidative methane reforming and CO cleaning with water gas shift reaction

Syngas production from oxidative methane reforming and CO cleaning with water gas shift reaction

Response Surface Methodology and Aspen Plus Integration for the Simulation of the Catalytic Steam Reforming of Ethanol

A comparative study of two different membranes applied for auto-thermal methanol synthesis process

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