Experimental study on different heating rate kinetics of Indonesian and Inner Mongolian low rank coal for catalytic gasification

Tae-Jin Kang; Hueon Namkung; Dong-Ha Jang; Hyung-Taek Kim

Journal of Industrial and Engineering Chemistry, Vol.20, No.4, 2095-2102, July, 2014

DOI10.1016/j.jiec.2013.09.038 Export Citation

Experimental study on different heating rate kinetics of Indonesian and Inner Mongolian low rank coal for catalytic gasification

Tae-Jin Kang, Hueon Namkung, Dong-Ha Jang, and Hyung-Taek Kim^†

Division of Energy Systems Research, Graduate School, Ajou University, Wonchon-dong, Yeongtong-gu, Suwon 443-749, Republic of Korea

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In this paper, the reaction kinetics of three coals are studied in this paper. For this purpose, simulated TGA curves were made, for reactions with different kinetic models, at different heating rates. The results show that the moisture removal rate is mainly dependent on the inherent moisture. The drying kinetics of the Indonesian (IBC, ABK) and Inner Mongolian coal investigated in this study is the best represented by phase boundary reaction and second order chemical reaction. It also showed that the conversion of non-isothermal drying is more affected by inherent moisture, rather than by heating rate.

Keywords:Low rank coal;Drying kinetics;Non-isothermal drying;Coal pre-treatment;Catalytic gasification

[References]

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[1] Smolinski A, Howaniec N, Stanczyk K, Renew. Energy, 36(6), 1836 (2011)

[2] Vamvuka D, Pitharoulis M, Alevizos G, Repouskou E, Pentari D, Renew. Energy, 34(12), 2662 (2009)

[3] International Energy Agency, Medium-Term Coal Market Report 2012, 2012.

[4] Ailun Y, YiYun C, Global coal risk assessment: data analysis and market research, World Resources Institute, 2012.

[5] International Energy Agency, Tracking Clean Energy Progress 2013, International Energy Agency, 2013.

[6] Osman H, Jangam SV, Lease JD, Mujumder AS, Drying of Low Rank Coal (LRC). A Review of Recent Patents and Innovations, in: M3TC Report 2011, 2011 2.

[7] Nishioka M, Fuel, 73, 57 (1994)

[8] Bergins C, Berger S, Strauss K, Chem. Eng. Technol., 22(11), 923 (1999)

[9] Chen Z, Agarwal PK, Agnew JB, Fuel, 80(2), 209 (2001)

[10] Kakaras E, Ahladas P, Syrmopoulos S, Fuel, 81(5), 583 (2002)

[11] Umar DF, Usui H, Daulay B, Fuel Process. Technol., 87(11), 1007 (2006)

[12] Dunne DJ, Agnew JB, Energy Sources, 14, 169 (1992)

[13] Banks PJ, Burton DR, Dry. Technol., 7, 443 (1989)

[14] Coats AW, Redfern JP, Nature, 9(5), 68 (1964)

[15] Li X, Song H, Wang Q, Meesri C, Wall T, Jianglong YU, J. Environ. Sci., 127 (2009)

[16] Gotor FJ, Criado JM, Malek J, Koga N, J. Phys. Chem. A, 104(46), 10777 (2000)

[17] Capart R, Khezami L, Burnham AK, Thermochim. Acta, 417(1), 79 (2004)

[18] Perez-Maqueda LA, Criado JM, Gotor FJ, Malek J, J. Phys. Chem. A, 106(12), 2862 (2002)

[19] Vyazovkin S, J. Therm. Anal. Calorim., 83(1), 45 (2006)

[20] Cai JM, Liu RH, Ind. Eng. Chem. Res., 48(6), 3249 (2009)

[21] Ebrahimi-Kahrizsangi R, Abbasi MH, Transactions of Nonferrous Metals Society of China, 18, 217 (2008)

[22] Khawam A, Flanagan DR, J. Phys. Chem. B, 110(35), 17315 (2006)

[23] Skrdla PJ, Robertson RT, J. Phys. Chem. B, 109(21), 10611 (2005)