1. Schrodt J.T., 1980, Hot desulfurization I: use of gasifier ash in fixed bed process, US DOE Report DOE/ET/10463-Ti, Washington DC.
2. Sugitani T., Kakai J., Yamamoto H., Kawai I., Kobayashi S., Ishii T., Hozumi S., 1987, Fundamental studies and present status of IHI hot gas desulfurization process, International Conference on Coal Science (edited by J.A. Moulijn et al.), 915.
3. Kobayashi S., 1990, Test results of Yubari Hot gas desulfurization pilot plant, Coal Conversion Technology Department Ishikawajima-Harima Heavy Industries Co. Ltd.
4. Gangwal, S.K., 1991, Hot-gas desulfurisation sorbent development for IGCC systems, in: ICHEME Symp.Series, 123,159.
5. Ayala R.E., Feiteiberg A.S., Furman A.H., 1995, Development of a high-temperature moving bed coal gas desulfurization system, in: Proceeding of the 12th annual international Pittsburgh coal conference (edited by Chiang S.H.), University of Pittsburgh, 1053.