Modelling of a downdraft gasifier fed by agricultural residues

被引：80

作者：

Antonopoulos, I-S. ^{[1
]}

Karagiannidis, A. ^{[1
]}

Gkouletsos, A. ^{[1
]}

Perkoulidis, G. ^{[1
]}

机构：

[1] Aristotle Univ Thessaloniki, Dept Mech Engn, Lab Heat Transfer & Environm Engn, GR-54124 Thessaloniki, Greece

来源：

WASTE MANAGEMENT | 2012年 / 32卷 / 04期

关键词：

Biomass gasification; Gibbs free energy; Thermodynamic equilibrium approach; BIOMASS GASIFICATION; PERFORMANCE ANALYSIS; FIXED-BED; ENERGY; COAL; TAR; AIR;

D O I：

10.1016/j.wasman.2011.12.015

中图分类号：

X [环境科学、安全科学];

学科分类号：

083001 [环境科学];

摘要：

A non-stoichiometric model for a downdraft gasifier was developed in order to simulate the overall gasification process. Mass and energy balances of the gasifier were calculated and the composition of produced syngas was predicted. The capacity of the modeled gasifier was assumed to be 0.5 MW, with an Equivalence Ratio (EQ) of 0.45. The model incorporates the chemical reactions and species involved, while it starts by selecting all species containing C, H, and O, or any other dominant elements. Olive wood, miscanthus and cardoon were tested in the formulated model for a temperature range of 800-1200 degrees C, in order to examine the syngas composition and the moisture impact on the supplied fuel. Model results were then used in order to design an olive wood gasification reactor. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：710 / 718

页数：9

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