NDLI: Modeling and simulation study of downdraft gasifier using oil-palm fronds

Content Provider	IEEE Xplore Digital Library
Author	Atnaw, S.M. Sulaiman, S.A.
Copyright Year	2009
Description	Author affiliation: Mechanical Engineering Department, University Technology PETRONAS, Tronoh 31750, Perak Malaysia (Atnaw, S.M.; Sulaiman, S.A.)
Abstract	Gasification of biomass provides clean and combustible gas with sufficient energy, which can be used for electricity generation, engine applications etc. However, successful design and operation of gasifiers are not simple. There are no neat rules as the thermodynamics of gasifier operation are not well understood. In this paper, a preliminary study of the operation and performance of downdraft biomass gasifier using oil palm fronds (OPF) is done. The performance study is partially carried out using ASPEN PLUS process simulator software for modeling and simulating the various zones of the gasification process (drying, pyrolysis, oxidation and reduction). As ASPEN PLUS does not have a built in gasifier model, a combination of the various reactors of the simulator are used to model the gasification processes. This model is used to predict the producer gas composition for different operating temperatures, pressure and air-fuel ratio. In addition a primary experiment is carried out to determine the feasibility of OPF as a gasification feedstock. From the simulation study it is shown that higher mass fraction of CO and CH4 can be obtained at lower Air-Fuel ratio, and lower pressure (below 5bar). The mass fraction of CO increases sharply with increase in the oxidation zone temperature, for the range 500–700°C.
Starting Page	284
Ending Page	289
File Size	291504
Page Count	6
File Format	PDF
ISBN	9781424451449
DOI	10.1109/ICEENVIRON.2009.5398634
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-07
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Oil palm fronds Thermodynamics Temperature Software performance Predictive models Oxidation Gasification Biomass Inductors Power generation Engines Petroleum
Content Type	Text
Resource Type	Article

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