· S. Mukherjee, S. Mahiuddin, P.C. Borthakur, Demineralization and desulfurization of sub bituminous coal using hydrogen peroxide, Energy Fuels 15 (2001) 1418–1424.
· M. Ozdemmir, S. Bayrakceken, A. Gurses, S. Gulaboglu, Desulfurization of two Turkish lignite’s by chlorinolysis, Fuel Process. Technol. 26 (1990) 15–23.
· E. Ahnonkitpanit, P. Prasassarakich, Coal desulfurization in aqueous hydrogen peroxide, Fuel 68 (1989) 819–824.
· L.L. Krzymien, Complete removal of sulfur from coal using solutions containing cupric ions, Fuel 61 (1982) 871–873.
· O. Sonmez, E.S. Giray, The influence of process parameters on desulfurization of two Turkish lignite’s by selective oxidation, Fuel Process. Technol. 70 (2001) 159–169.
· D. Chandra, J.N. Chakrabarti, Y.V. Swamy, Auto-desulfurization of coal, Fuel 61 (1982) 204–205.
· M. Steinberg, R.T. Yang, T.K. Horn, A.L. Berlad, Desulfurization of coal with ozone: an attempt, Fuel 56 (1977) 227–228.
· K.C. Chaung, R. Markuszewesky, T.D. Wheelock, Desulfurization of coal by oxidation in alkaline solutions, Fuel Process. Technol. 7 (1983) 43–57.
· K. Liu, J. Yang, J. Jia, Y. Wang, Desulfurization of coal via low temperature atmospheric alkaline oxidation, Chemosphere 71 (2008) 183–188.
· S.A.H. Zaidi, Ultrasonically enhanced coal desulfurization, Fuel Process. Technol. 33 (1993) 95–100.
· P.E. Araya, R.B. Ohlbaum, S.E. Droguett, Study of the treatment of sub bituminous coals by NaOH solutions, Fuel 60 (1981) 1127–1130.
· R.A. Rodriguez, C.C. Jul, D.G. Limon, The influence of process parameters on coal desulfurization by nitric leaching, Fuel 75 (1996) 606–612.
· P. Prasassarakich, T. Thaweesri, Kinetics of coal desulfurization with sodium benzoxide, Fuel 75 (1996) 816–820.
· R.T. Yang, S.K. Das, B.M.C. Tsai, Coal demineralization using sodium hydroxide and acid solutions, Fuel 65 (1985) 735–742.
· H. Kara, R. Ceylan, Removal of sulfur from four central Anatolian lignite’s by NaOH, Fuel 67 (1988) 170–172.
· S. Ratanakandilok, S. Ngamprasertsith, P. Prasassarakich, Coal desulfurization with methanol/water and methanol/KOH, Fuel 80 (2001) 1937–1942.
· C. Aacharya, R.N. Kar, L.B. Sukla, Bacterial removal of sulfur from three different coals, Fuel 80 (2001) 2207–2216.
· C. Aacharya, L.B. Sukla, V.N. Misra, Biological elimination of sulfur from high sulfur coal by Aspergillus-like fungi, Fuel 84 (2005) 1597–1600.
· A. Ali, S.K. Srivatsava, R. Haque, Chemical desulfurization of high sulfur coals, Fuel 71 (1992) 835–839.
· B.P. Baruah, B.K. Saikia, P. Kotoky, P.G. Rao, Aqueous leaching on high sulfur sub-bituminous coals, in Assam, India, Energy Fuels 20 (2006) 1550–1555.
· C. Hamamci, F. Kahraman, M.Z. Diiz, Desulfurization of southeastern Anatolian asphaltites by the Meyers method, Fuel Process. Technol. 50 (1997) 171–177.
· B. Ambedkar, T.N. Chintala, R. Nagarajan, S. Jayanti, Feasibility of using ultrasound-assisted process for sulfur and ash removal from coal, Chemical Engineering and Processing 50 (2011) 236-246.
· CHEN Qing, ZHOU JinSong, LIU BingJun, MEI QinFeng, LUO ZhongYang, Influence of torrefaction pretreatment on biomass gasification technology, Chinese Science Bulletin 56 (2011) 1449-1456.
· Xue G, Kwapinska M, Kwapinski W, Czajka KM, Kennedy J and Leahy JJ. Impact of torrefaction on properties of Miscanthus giganteus relevant to gasification, Fuel 2014; 121: 189-97.
· Pentananunt R, Rahman ANMM and Bhattacharya SC. Upgrading of biomass by means of torrefaction, Energy 1990; 15: 1175-1179.
· Medic D, Darr M, Shah A, Potter B and Zimmerman J. Effects of torrefaction process parameters on biomass feedstock upgrading, Fuel 2012; 91: 147-154.
· Wei-Hsin C, Wen-Yi C, Ke-Miao L and Ying-Pin H. An evaluation on improvement of pulverized biomass property for solid fuel through torrefaction, Applied Energy 2011; 88: 3636-3644.
· Khezami L, Chetouani A, Taouk B and Capart R. Production and characterisation of activated carbon from wood components in powder: cellulose, lignin, xylan. Powder Technology 2005; 157: 48-56.
· Mansaray KG and Ghaly AE. Thermal degradation of rice husks in nitrogen atmosphere, Bioresource Technology 1998; 65:13-20.
· A. Anukam, S. Mamphweli, P. Reddy, O. Okoh, E. Meyer, An investigation into the impact of reaction temperature on various parameters during torrefaction of sugarcane bagasse relevant to gasification, ???
· G.E. Fanslow, D.D. Bluhm, S.O. Nelson, Journal of Microwave Power 15 (1980) 187.
· S. Weng, J. Wang, Z. Wang, J. Yan, Z. Wu, D. Lin, Y. Yu, C. Zhao, Hyperfine Interactions 58 (1990) 2629.
· T. Uslu, U. Atalay, Microwave heating of coal for enhanced magnetic removal of pyrite, Fuel Processing Technology 85 (2003) 21-29.
· B.J.P. Buhre, L.K. Elliott, C.D. Sheng, R.P. Gupta, T.F. Wall, Oxy-fuel combustion technology for coal-fired power generation 31 (2005); 283-307.
· Okawa M, Kimura N, Kiga T, Takano S, Arai K, Kato M. Trial design for a CO2 recovery power plant by burning pulverized coal in O2/CO2. Energy Convers Manage 1997;38(Suppl.):S123–S7.
· K. E. Colombo, V. V. Kharton, O. Bolland, Simulation of an oxygen membrane-based gas turbine power plant : dynamic regimes with operational and material constraints, Energy Fuels 24 (2010): 590-608
· S. A. Wright, R. F. Radel, M. E. Vernon, G. E. Rochau, P. S. Pickard, Operation and Anaysis of a supercritical CO2 Brayton cycle, Sandia Refort (2010)
· S. Wright, J. Pasch, D. Fleming, G. Rochau, R. Fuller, Performance characteristics of an operating supercritical CO2 Brayton cycle. Journal of Engineering for Gas Turbines and Power; 134 (2012) ; 111703-1.
· Y. Wang, G. Guenette, P. Hejzlar, M. Driscoll, Compressor design for the supercritical CO2 Brayton cycle, International Energy Conversion Engineering Conference, (2004) AIAA 2004-5722;
· S. G. Kim, M. G. Kim, S. J. Bae, J. I. Lee, Preliminary design of S-Co2 Brayton cycle for KAIST micro modular reactor, Transactions of the Korean Nuclear Society Autumn Meeting, (2013); 24-25.
· Y. L. Moullec, Conceptual study of a high efficiency coal-fired power plant with CO2 capture using a supercritical CO2 Brayton cycle, Energy 49 (2013); 32-46.