Tackling the challenges in modelling entrained-flow gasification of low-grade feedstock

被引:45
作者
Kolb, Thomas [1 ,2 ]
Aigner, Manfred [3 ]
Kneer, Reinhold [4 ]
Mueller, Michael [5 ]
Weber, Roman [6 ]
Djordjevic, Neda [7 ]
机构
[1] KIT, EBI Ceb, Karlsruhe, Germany
[2] KIT, ITC, Karlsruhe, Germany
[3] DLR Stuttgart, VT, Stuttgart, Germany
[4] Rhein Westfal TH Aachen, WSA, Aachen, Germany
[5] FZJ, IEK 2, Julich, Germany
[6] Tech Univ Clausthal, LEVB, Clausthal Zellerfeld, Germany
[7] TU Berlin, ISTA, Berlin, Germany
关键词
High pressure entrained-flow gasification; Suspension fuel; Biomass; Numerical simulation; Bioliq (R) process; RESOLUTION TRANSMISSION MEASUREMENTS; HIGH-TEMPERATURE; CARBON-DIOXIDE; WATER-VAPOR; COAL-CHAR; TOTAL EMISSIVITY; COMBUSTION; PRESSURE; CO2; ATOMIZATION;
D O I
10.1016/j.joei.2015.07.007
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
Development of a new technology for conversion of residual biomass into a liquid fuel via pyrolysis gasification -gas cleaning-synthesis is the overall objective of the on-going bioliq (R) project. The present paper gives an overview on research activities dedicated to mathematical modelling of entrained-flow gasification for conversion of biomass-based suspension fuels into a medium calorific (LCV around 15 MJ/kg) synthesis gas. The objective is to identify knowledge gaps that currently prohibit a knowledge-based mathematical description of reacting high-pressure multi-phase flows so as to model the bioliq (R) gasification reactor in particular and biomass conversion in entrained flow gasifiers in general. Substantial knowledge gaps for high pressure process conditions have been identified for atomization of high viscous liquids, gasification chemistry for biomass based fuels, radiative heat transfer as well as slag formation mechanisms. The paper proposes an interdisciplinary research approach in a holistic manner to close these gaps. (C) 2015 Energy Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:485 / 503
页数:19
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