Chemical demineralization of high ash Indian coal by using alkali and acid solutions

[1]  B. D. Pandey,et al.  Demineralization of low grade coal – A review , 2015 .

[2]  M. Sinha,et al.  Chemical Beneficiation of Low Grade Coal - A Review , 2012 .

[3]  A. Adeleke,et al.  MULTISTAGE CAUSTIC LEACHING DE-ASHING OF NIGERIAN LAFIA-OBI COAL , 2011 .

[4]  T. Khan,et al.  Studies on the Production of Ultra-clean Coal by Alkali-acid Leaching of Low-grade Coals , 2009 .

[5]  K. Steel,et al.  Demineralization of a UK bituminous coal using HF and ferric ions , 2007 .

[6]  J. Gülen.  Mineral Matter Identification in Nallıhan Lignite by Leaching with Mineral Acids , 2007 .

[7]  I. Doymaz,et al.  Removal of Mineral Matter from Silopi-Harput Asphaltite by Acid Treatment , 2005 .

[8]  Chao Wang,et al.  Influence of Mineral Matters on the Calorific Value of an Anthracite under Oxygen Bomb Conditions , 2004 .

[9]  John W. Patrick,et al.  The production of ultra clean coal by sequential leaching with HF followed by HNO3 , 2003 .

[10]  S. Mukherjee,et al.  Effect of leaching high sulphur subbituminous coal by potassium hydroxide and acid on removal of mineral matter and sulphur , 2003 .

[11]  K. Steel,et al.  Production of ultra clean coal: Part III. Effect of coal's carbonaceous matrix on the dissolution of mineral matter using hydrofluoric acid , 2002 .

[12]  P. C. Borthakur,et al.  Chemical demineralization/desulphurization of high sulphur coal using sodium hydroxide and acid solutions , 2001 .

[13]  J. Patrick,et al.  The production of ultra clean coal by chemical demineralisation , 2001 .

[14]  P. C. Borthakur,et al.  Demineralization and Desulfurization of Subbituminous Coal with Hydrogen Peroxide , 2001 .

[15]  S. Pişkin,et al.  Chemical demineralization of a Turkish high ash bituminous coal , 1998 .

[16]  Hüseyin Karaca,et al.  Chemical cleaning of Turkish lignites by leaching with aqueous hydrogen peroxide , 1997 .

[17]  Ratna Choudhury,et al.  Beneficiation of Indian coal by chemical techniques , 1997 .

[18]  M. Ahmed,et al.  Removal of mineral matter and sulfur from lignites by alkali treatment , 1996 .

[19]  Kunihiro Kitano,et al.  Influence of mineral and chemical composition of coal ashes on their fusibility , 1995 .

[20]  K. Ceylan,et al.  Effects of treatments on the mineral matter and acidic functional group contents of Turkish lignites , 1995 .

[21]  D. K. Sharma,et al.  Chemical cleaning of low grade coals through alkali-acid leaching employing mild conditions under ambient pressure , 1991 .

[22]  Allan Bruce Waugh,et al.  Removal of mineral matter from bituminous coals by aqueous chemical leaching , 1984 .

[23]  P. Araya,et al.  Study of the treatment of subbituminous coals by NaOH solutions , 1981 .