Industrial-scale gas conditioning including Topsoe tar reforming and purification downstream biomass gasifiers: An overview and recent examples

The gas conditioning, purification, and module adjustment are crucial steps in the preparation of an optimal synthesis gas composition for a wide range of syngas conversion processes and catalysts. These are all areas where Haldor Topsoe A/S has been active since the establishment of the company in...

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Bibliographic Details
Published in:Fuel (Guildford) 2017-09, Vol.203 (C), p.1026-1030
Main Authors: Andersson, Klas J., Skov-Skjøth Rasmussen, Martin, Højlund Nielsen, Poul Erik
Format: Article
Language:English
Subjects:
Biomass
Biomass gasification
Catalysts
Conditioning
Conversion
Dimethyl ether
Energy conversion efficiency
Energy efficiency
Gas composition
Gas conditioning
Gas purification
Gases
Gasification
Gasoline
Natural gas
Purification
Reforming
Steam electric power generation
Studies
Sulfur
Sulfur removal
Synthesis gas
Synthetic fuels
Tar
Tar reforming
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Summary:The gas conditioning, purification, and module adjustment are crucial steps in the preparation of an optimal synthesis gas composition for a wide range of syngas conversion processes and catalysts. These are all areas where Haldor Topsoe A/S has been active since the establishment of the company in 1940. With an industrial perspective on large-scale biomass gasification, syngas conditioning and clean-up, we provide a brief overview along with general considerations. Four recent large-scale projects with conditioning and purification of raw biomass gasifier syngas are discussed, with examples including the steam reforming of tar in dusty and clean environments. All crucial steps have been demonstrated in these projects simultaneously with the synthesis of end-products such as methanol, dimethyl ether, gasoline, natural gas (methane), or simply syngas suitable for electricity-generating gas engines. Although the solutions are available commercially, looking to the future we anticipate the development of regenerative sorbent hot gas sulfur removal technologies for the low sulfur contents in biomass gasification gases to significantly further the overall energy efficiency in the gas conditioning and purification sections before syngas conversion to chemicals and fuels.
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2017.02.085