Fuel 179 (2016) 150–155 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel An experimental ex-situ study of the suitability of a high moisture ortho-lignite for underground coal gasiﬁcation (UCG) process Krzysztof Kapusta , Marian Wiatowski, Krzysztof Stan´ czyk Główny Instytut Górnictwa (Central Mining Institute), Plac Gwarków 1, 40-166 Katowice, Poland highlights graphical a bstract A multi-day experimental simulation of UCG using large bulk samples of ortho-lignite was conducted. The average moisture content of the coal was 46.5 wt%, and its caloriﬁc value was 12.6 MJ/kg. The overall process energy efﬁciency was estimated at 59%, and the average gas caloriﬁc value was approximately 7.2 MJ/N m . The study demonstrated that oxygen- blown UCG of high moisture lignites may be a feasible option. ar ti c l e i nf o ab stra ct Article history: An experimental simulation of underground coal gasiﬁcation (UCG) using large bulk samples of Received 28 January 2016 ortho-lignite was conducted in an ex-situ laboratory installation. The main goal of the experiment was Received in revised form 22 March 2016 to evaluate the suitability of the high-moisture lignite for UCG. The average moisture content of the coal Accepted 22 March 2016 feed was 46.5
Fuel – Elsevier
Published: Sep 1, 2016
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