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- W2011742753 abstract "Oxygen-based gasification offers advantages over air-based gasification such as reduced capital costs or similar operating costs combined with the potential to use the higher calorific value syngas in high-efficiency power generation systems, greatly enhancing revenue creation potential. This paper reports on the effects of increasing oxygen purity on the gasification processes and includes a techno-economic assessment that uses both theoretical and experimental observations involving the gasification of a waste fuel. Syngas quality is dramatically affected by the purity of the oxygen used in gasification, with increased purity leading to reduced levels of nitrogen, increased levels of combustible gas components and enhanced calorific values. The calorific value of air-based gasification syngas is 4–5 MJ/Nm3, but increases to 10–12 MJ/Nm3 with oxygen-based gasification. In addition, gasification performance, as measured by cold gas conversion efficiency, is also affected by the purity of the oxygen used in gasification, with levels rising from 40% for air-based systems to 80% in oxygen-based systems. The results of this study indicate that capital costs associated with oxygen-based gasification can be as much as 40% less than a comparable scale air-based gasification system. In addition, investment returns can be considerably boosted from the use of oxygen-based gasification." @default.
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- W2011742753 date "2014-02-01" @default.
- W2011742753 modified "2023-09-24" @default.
- W2011742753 title "Utilisation of oxygen for enhanced gasification performance" @default.
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- W2011742753 doi "https://doi.org/10.1680/warm.13.00019" @default.
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