Eftekhari, Ali Akbar; Van Der Kooi, Hedzer; Bruining, Hans - In: Energy 45 (2012) 1, pp. 729-745
Various options are considered to reduce CO2 emissions when utilizing deep coal by applying underground coal gasification (UCG), i.e., in combination with carbonation of synthetic minerals (CaO), conventional UCG followed by ex-situ separation of CO2 and upgrading the product gas using naturally...