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Effect of gasification parameters on product gas characteristics of South Wales coal

Lookup NU author(s): Dr Vasilis SarhosisORCiD

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Abstract

The paper presents an analysis of the impact of selected major parameters of underground coal gasification (UCG) on the gas composition. Non-stoichiometric multiphase equilibrium method was used for calculation of gases, liquids, solids and mineral matter composition. Calculations were performed to obtain an optimum content of methane, CH₄ and carbon dioxide, CO₂ under a high operating pressure range, 10 - 100 bar in UCG georeactor. Initially the proposed method was validated by calculating the effective value of oxygen to coal excess ratio for the Swan Hills coal data available in the literature. Later detailed calculations and analysis have been carried out for an 18 foot semianthracite coal seam from South Wales coal mine named Aberpergeyn. The effect of steam to oxygen ratio on the product gas composition, temperature and heating value is investigated.

Publication metadata

Author(s): Mocek P, Sarhosis V, Murugesan K, Thomas HR, Stanczyk K

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Clean Coal Technology Conference (CCT2015)

Year of Conference: 2015

Acceptance date: 01/01/1900

Publisher: IEA Clean Coal Center

URL: http://www.cct2015.org/ibis/CCT2015/home

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