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methanol, gasification, oxymethylene ethers, diesel additive, biomass

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Subject-Keyword: methanol gasification oxymethylene ethers diesel additive biomass

Type of item: Journal Article Published

Language: English

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Date created: 2014

DOI: doi:10.7939-R3W37KX93

License information: Creative Commons Attribution-Non-Commercial-No Derivatives 3.0 Unported

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Author: Zhang, X. Kumar, A. Arnold, U. Sauer, J.

Source: https://era.library.ualberta.ca/


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Available online at www.sciencedirect.com ScienceDirect Energy Procedia 61 (2014) 1921 – 1924 The 6th International Conference on Applied Energy – ICAE2014 Biomass-derived oxymethylene ethers as diesel additives: A thermodynamic analysis Xiaolei Zhang1, Amit Kumar1,*, Ulrich Arnold2, Jörg Sauer2 1 Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta T6G 2G8, Canada Institute of Catalysis Research and Technology (IKFT), Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Campus Nord, Karlsruhe Institute of Technology, Karlsruhe, Germany 2 Abstract Conversion of biomass for production of liquid fuels can help in reducing the greenhouse gas (GHG) emissions which are predominantly generated by combustion of fossil fuels.
Adding oxymethylene ethers (OMEs) in conventional diesel fuel has the potential to reduce soot formation during the combustion in a diesel engine.
OMEs are downstream products of syngas, which can be generated by the gasification of biomass.
In this research, a thermodynamic analysis has been conducted through development of data intensive process models of all the unit operations involved in production of OMEs from biomass.
Based on the developed model, the key process parameters affecting the OMEs production including equivalence ratio, H2-CO ratio, and extra water flow rate were identified.
This was followed by development of an optimal process design for high OMEs production.
It was found that for a fluidized bed gasifier with heat capacity of 28 MW, the conditions for highest OMEs production are at an air amount of 317 tonne-day, at H2-CO ratio of 2.1, and without extra water injection.
At this level, the total OMEs production is 55 tonne-day (13 tonne-day OME3 and 9 tonne-day OME4).
This model would further be used in a techno-economic assessment study of the whole biomass conversion chain to determine the most attractive pathways. © Authors. Published by Elsevier Ltd.
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