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Modeling of Hydrogen Production from Bio-Oilvia Steam Reforming using Matlab

Imrat, Mohd Zharif (2009) Modeling of Hydrogen Production from Bio-Oilvia Steam Reforming using Matlab. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Biomass is a product in which is a renewable resource that can beused for production of hydrogen. The hydrogen has the potential to be a source for alternative fuel required in the future. The alternative way concept is based on a two-stage process, which are fast pyrolysis and catalytic steam reforming [17]. There exists a wide range of modeling approaches to represent hydrogen production from bio oil via steam reforming. The modeling approach, even it is less expensive and more extendable compared to experimental procedures, has its own limitation. In this project, the bio oil will be represented by crude ethanol as there are difficulties of finding the right journals. The main objective for this project is to screen suitable models to represent hydrogen production from bio-oil via steam reforming. The models of each process steps in hydrogen production are compiled by MATLAB. The process steps from steam reforming to water gas shift reaction, to PSA purification of hydrogen are gathered into one system so that the integrated results can be determined. In the case of steam reforming process, Model 1 has the Average Relative Error of 29.1%. Whereas for Model 2 and Power Law, both have the Average Relative Error of 21.1% and 17.2% respectively. Basically, Model 2 and Power Law are on the active site of the Rate Determining Step as the Average Relative Error is less than 25 %. For the Water Gas Shift reaction, it is concluded that the final temperature for the shift reactor for this system is around 493 K. The conversion of the reactor is 68 % and the GHSV will be approximately about 6250 h"1. Finally, the H2 purity for this work is 98.9119 %because the bed only consists ofactivated carbon with the purpose istotrap CO2- It is determined that the Relative error (%) for this work and Ribeiro ., based on H2 purity is 1.08 %.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Reactor Technology
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 22 Oct 2013 11:18
Last Modified: 22 Oct 2013 11:18
URI: http://utpedia.utp.edu.my/id/eprint/9227

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