DOI: 10.1016/j.jcou.2015.01.001
Scopus记录号: 2-s2.0-84921728937
论文题名: Use of CO2 as a co-reactant to promote syngas production in supercritical water gasification of sugarcane bagasse
作者: Freitas A.C.D. ; Guirardello R.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2015
卷: 9 起始页码: 66
结束页码: 73
语种: 英语
英文关键词: Co-reactant
; Optimization techniques
; Supercritical water gasification
; Syngas
Scopus关键词: Bagasse
; Equations of state
; Fischer-Tropsch synthesis
; Gasification
; Isotherms
; Linear programming
; Nonlinear programming
; Optimization
; Synthesis gas
; Coreactants
; Effects of temperature
; Equilibrium compositions
; Optimization techniques
; Supercritical water gasification
; Supercritical water gasification (SCWG)
; Syn-gas
; Thermodynamic equilibria
; Carbon dioxide
英文摘要: In this paper, thermodynamic equilibrium approaches are used to study the effect of CO2 addition, as co-reactant in supercritical water gasification (SCWG) of sugarcane bagasse to improve syngas production. The effects of temperature, pressure, biomass composition and co-reactant composition were evaluated under equilibrium compositions for isothermic systems and thermal behavior for adiabatic systems. The CO2 concentration in feed was analyzed at three different mass compositions: 15, 25 and 35 (wt%). The Virial equation of state was used to represent the non-ideality of both isothermic and adiabatic systems. The problems were formulated as optimization problems (non-linear programing) and the software GAMS with the CONOPT solver were used to solve them. Syngas with a H2/CO molar ratio close to 2 (ideal for further Fischer-Tropsch synthesis application) was obtained with an addition of CO2 as a co-reactant at 35 wt%. The calculated final temperatures were close to the initial ones, indicating low energy requirements for maintain these reactions. © 2015 Published by Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/52974
Appears in Collections: 影响、适应和脆弱性
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Recommended Citation:
Freitas A.C.D.,Guirardello R.. Use of CO2 as a co-reactant to promote syngas production in supercritical water gasification of sugarcane bagasse[J]. Journal of CO2 Utilization,2015-01-01,9