Advances in the HTAG Technology and Process of Biomass
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Academic Journals
Abstract
Description
High Temperature Air/Steam Gasification (HTAG) is a process in which a highly preheated air/steam is
utilized as the oxidizer. The HTAG process follows the developments in the High Temperature Air
Combustion (HiTAC), which has shown to be superior in energy saving and pollution reduction
compared to the conventional combustion technology. The preheated oxidizer provides additional
energy into the gasification process that enhances thermal decomposition of the gasified solid
feedstock. Consequently, the HTAG increases both the calorific value of the producer gas, and the cold
gasification efficiency. In this work, the advantages of the HTAG processes is presented by considering
performance influencing parameters that include materials quality, oxidizer type, equivalence ratio (ER),
gasification temperature, and bed additives.
Keywords
High temperature air/steam gasification (HTAG), Biomass gasification, Updraft/downdraft gasifier, Fluidized bed gasifier