Biomass steam gasification for production of SNG - Process design and sensitivity analysis

被引：61

作者：

Groebl, Thomas ^{[1
]}

Walter, Heimo ^{[1
]}

Haider, Markus ^{[1
]}

机构：

[1] Vienna Univ Technol, Inst Energy Syst & Thermodynam, A-1060 Vienna, Austria

来源：

APPLIED ENERGY | 2012年 / 97卷

关键词：

Biomass; Gasification; Methanation; Simulation; Sensitivity analysis;

D O I：

10.1016/j.apenergy.2012.01.038

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A process design for small-scale production of Substitute Natural Gas (SNG) by steam gasification of woody biomass is performed. In the course of this work, thermodynamic models for the novel process steps are developed and implemented into an already existing model library of commercial process simulation software IPSEpro. Mathematical models for allothermal steam gasification of biomass as well as for cleaning and methanation of product gas are provided by applying mass balances, energy balances and thermodynamic equilibrium equations. Using these models the whole process is integrated into the simulation software, a flowsheet for an optimum thermal integration of the single process steps is determined and energy savings are identified. Additionally, a sensitivity study is carried out in order to analyze the influence of various operation parameters. Their effects on amount and composition of the product gas and process efficiency are evaluated and discussed within this article. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：451 / 461

页数：11

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