Numerical simulation of trickle bed reactors for biological methanation

被引：15

作者：

Markthaler, Simon ^{[1
]}

Plankenbuehler, Thomas ^{[1
]}

Weidlich, Tobias ^{[1
]}

Neubert, Michael ^{[1
]}

Karl, Juergen ^{[1
]}

机构：

[1] Friedrich Alexander Univ Erlangen Nurnberg, Chair Energy Proc Engn, Further Str 244f, D-90429 Nurnberg, Germany

来源：

CHEMICAL ENGINEERING SCIENCE | 2020年 / 226卷

关键词：

Biological methanation; CFD; Power-to-Gas; Trickle-bed reactor; Eulerian model; Pseudo-continuous; POWER-TO-GAS; WETTING EFFICIENCY; MASS-TRANSFER; FLUID-DYNAMICS; LIQUID HOLDUP; FLOW-THROUGH; HYDROGEN; HYDRODYNAMICS; CONSTANTS; PACKING;

D O I：

10.1016/j.ces.2020.115847

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Biological methanation in trickle bed reactors is an auspicious approach to convert hydrogen and carbon dioxide into methane. In order to analyze this process, a comprehensive CFD model was implemented including multiphase flow, absorption, and reaction phenomena. The model is based on the Eulerian-Eulerian method. Experimental investigations and literature data serve as its validation. The experiments focused on the hydrodynamics of a trickle bed composed of clay granulate and the applied reactor enabled detailed measurements of radial liquid flow profiles and liquid holdup dependent on the overall volume flow rate. The simulation of liquid dispersion confirms the experimental results regarding averaged macroscopic fluid flow. However, liquid holdup is slightly underestimated by the computational model. In addition to the hydrodynamic investigation, simulation of biological methanation provide insight into mutual interactions between multiphase flow and biochemical conversion and present a methane production rate on the same order of magnitude as literature values. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：12

共 45 条

[1] CATALYST WETTING EFFICIENCY IN TRICKLE-BED REACTORS AT HIGH-PRESSURE
ALDAHHAN, MH
DUDUKOVIC, MP
[J]. CHEMICAL ENGINEERING SCIENCE, 1995, 50 (15) : 2377 - 2389
[2] Modeling of gas-liquid packed-bed reactors with momentum equations and local interaction closures
Alopaeus, Ville
Hynynen, Katja
Aittamaa, Juhani
Manninen, Mikko
[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2006, 45 (24) : 8189 - 8198
[3] [Anonymous], 2015, GWF GAS
[4] ANSYS Inc, 2019, ANSYS FLUENT US GUID
[5] Modelling of the hydrodynamics of the cocurrent gas-liquid trickle flow through a trickle-bed reactor
Attou, A
Boyer, C
Ferschneider, G
[J]. CHEMICAL ENGINEERING SCIENCE, 1999, 54 (06) : 785 - 802
[6] BALDI G, 1976, QUAD ING CHIM ITAL, V12, P107
[7] HYDRODYNAMICS AND MASS-TRANSFER IN A 3-PHASE FIXED-BED REACTOR WITH COCURRENT GAS-LIQUID DOWNFLOW
BURGHARDT, A
BARTELMUS, G
JAROSZYNSKI, M
KOLODZIEJ, A
[J]. CHEMICAL ENGINEERING JOURNAL AND THE BIOCHEMICAL ENGINEERING JOURNAL, 1995, 58 (02): : 83 - 99
[8] Biocatalytic methanation of hydrogen and carbon dioxide in an anaerobic three-phase system
Burkhardt, M.
Koschack, T.
Busch, G.
[J]. BIORESOURCE TECHNOLOGY, 2015, 178 : 330 - 333
[9] Burkhardt M., 2012, LEISTUNGSFAHIGKEIT A
[10] Methanation of hydrogen and carbon dioxide
Burkhardt, Marko
Busch, Guenter
[J]. APPLIED ENERGY, 2013, 111 : 74 - 79

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