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Modelling and optimization of a Biomass-to-Liquid process using VMGSim

Costanzi, Riccardo
Master thesis
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URI
http://hdl.handle.net/11250/2388264
Date
2016
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  • Institutt for kjemisk prosessteknologi [1428]
Abstract
A biomass-to-liquid plant consists of pretreatment, gasification , syngas cleaning and

conditioning, Fischer-Tropsch (FT) synthesis, and products upgrading.

In the FT reactor the syngas is converted to liquid fuels on a cobolt (or iron) catalyst. There exist

different reactor types of FT units, such as slurry bubble column, fixed bed and microchannel

reactors. Here, we want to make a model of a fixed bed reactor of the FT synthesis in a new

simulation system called VMGSim. A gasification model is already in the system.

A kinetic model of the FT kinetics should be implemented in the simulation tool. This

kinetic model takes into account a limited number of components, both alkanes and

alkenes, and the selectivity to different products depends on composition and temperature.

New process configuration of the BtL plant will be evaluated.
Publisher
NTNU

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