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A Comparative Study of Reforming Technologies: Steam Methane Reforming (SMR), Partial Oxidation (POX) and Auto Thermal Reforming (ATR)

Mahintheran, Karthigeyan (2004) A Comparative Study of Reforming Technologies: Steam Methane Reforming (SMR), Partial Oxidation (POX) and Auto Thermal Reforming (ATR). Universiti Teknologi Petronas. (Unpublished)

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Abstract

Hydrogen has emerged as an alternative clean source of energy to replace fossil fuels. Hydrogen, a component of syngas, the other being carbon monoxide is usually produced via reforming. Analysis is done to compare three reforming technologies namely steammethane reforming (SMR), partial oxidation (POX) and auto thermal reforming (ATR). The scope of the study focuses more towards the natural gas reforming, where its main constituent is methane. The operating conditions are manipulated to produce optimum performance and to have the lowest energy cost. Energy cost has become an important factor of consideration in industries. Similar study on comparison of reforming technologies was done using AspenPlus™. To compare and verify the results of study, the three reforming processes are compared and simulated using HYSYS. Through the simulation, optimum operating conditions for each reforming process is identified. Among the operating conditions varied in process simulation are reactor temperature and steam to carbon ratio for SMR, air ratio and preheat temperature for POX and air ratio, steam to carbon ratio and preheat temperature for ATR. The process is simulated at optimum operating conditions and material and energy balance is done to identify the system with lowest cost in terms of CH4 equivalent. POXreforming has been identified to have the least cost, requiring 0.3646 mol/s of methane. SMR requires 0.4006 mol/s while ATR requires 0.3668 mol/s of CH4. Process simulation is also done using plant data and is compared with initial process simulation. Previous study results of Seo.Y.S et al. (2002) were verifiedand it is comparable to the results in this project.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 6 not found.
Date Deposited: 26 Sep 2013 12:56
Last Modified: 25 Jan 2017 09:47
URI: http://utpedia.utp.edu.my/id/eprint/6755

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