Enhancement of the surface hydrophobicity of low-rank coal by adsorbing DTAB: An experimental and molecular dynamics simulation study

Fuel - Tập 239 - Trang 145-152 - 2019
Yangchao Xia1,2, Zili Yang1,2, Rui Zhang1,2, Yaowen Xing1, Xiahui Gui1
1Chinese National Engineering Research Center of Coal Preparation and Purification, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China
2School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China

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Tahmasebi, 2012, A study of chemical structure changes of Chinese lignite during fluidized-bed drying in nitrogen and air, Fuel Process Technol, 101, 85, 10.1016/j.fuproc.2012.04.005

Li, 2009, Experimental study on drying and moisture re-adsorption kinetics of an Indonesian low rank coal, J Environ Sci, 21, S127, 10.1016/S1001-0742(09)60055-3

Yu, 2013, A review on water in low rank coals: The existence, interaction with coal structure and effects on coal utilization, Fuel Process Technol, 106, 9, 10.1016/j.fuproc.2012.09.051

Xing, 2017, Clean low-rank-coal purification technique combining cyclonic-static microbubble flotation column with collector emulsification, J Clean Prod, 153, 657, 10.1016/j.jclepro.2016.11.057

Nikolopoulos, 2015, Report on comparison among current industrial scale lignite drying technologies (A critical review of current technologies), Fuel, 155, 86, 10.1016/j.fuel.2015.03.065

You, 2013, Moisture adsorption properties of dried lignite, Energy Fuels, 27, 177, 10.1021/ef301680w

Jia, 2000, An improved class of universal collectors for the flotation of oxidized and/or low-rank coal, Int J Miner Process, 58, 99, 10.1016/S0301-7516(99)00024-1

Xing, 2017, Interaction forces between paraffin/stearic acid and fresh/oxidized coal particles measured by atomic force microscopy, Energy Fuels, 31, 3305, 10.1021/acs.energyfuels.6b02856

Favas, 2003, Hydrothermal dewatering of lower rank coals. 1. Effects of process conditions on the properties of dried product, Fuel, 82, 53, 10.1016/S0016-2361(02)00192-8

Favas, 2003, Hydrothermal dewatering of lower rank coals. 2. Effects of coal characteristics for a range of Australian and international coals, Fuel, 82, 59, 10.1016/S0016-2361(02)00191-6

Mursito, 2010, The effect of hydrothermal dewatering of Pontianak tropical peat on organics in wastewater and gaseous products, Fuel, 89, 3934, 10.1016/j.fuel.2010.06.035

Zhao, 2017, Drying, re-adsorption characteristics, and combustion kinetics of Xilingol lignite in different atmospheres, Fuel, 210, 592, 10.1016/j.fuel.2017.09.011

Chang, 2018, The adsorption behavior of surfactants on mineral surfaces in the presence of electrolytes-A critical review, Miner Eng, 121, 66, 10.1016/j.mineng.2018.03.002

Wang, 2016, Effect of adsorption of catanionic surfactant mixtures on wettability of quartz surface, Colloids Surf A, 509, 564, 10.1016/j.colsurfa.2016.09.057

Zdziennicka, 2011, Effect of anionic surfactant and short-chain alcohol mixtures on adsorption at quartz/water and water/air interfaces and the wettability of quartz, J Colloid Interface Sci, 354, 396, 10.1016/j.jcis.2010.09.063

Jian, 2018, Characterizing adsorption of associating surfactants on carbonates surfaces, J Colloid Interface Sci, 513, 684, 10.1016/j.jcis.2017.11.041

Ghosh, 2014, Effect of electrolytes on wettability of glass surface using anionic and cationic surfactant solutions, J Colloid Interface Sci, 413, 24, 10.1016/j.jcis.2013.09.029

Seiedi, 2011, Atomic force microscopy (AFM) investigation on the surfactant wettability alteration mechanism of aged mica mineral surfaces, Energy Fuels, 25, 183, 10.1021/ef100699t

Wang, 2018, Investigation of effect of surfactants on the hydrophobicity of low rank coal by sliding time measurements, Fuel, 212, 326, 10.1016/j.fuel.2017.10.063

Dey, 2012, Enhancement in hydrophobicity of low rank coal by surfactants-A critical overview, Fuel Process Technol, 94, 151, 10.1016/j.fuproc.2011.10.021

Crawford, 2001, The influence of surfactant adsorption on the surface characterisation of Australian coals, Fuel, 80, 313, 10.1016/S0016-2361(00)00110-1

Liu, 2016, Wettability modification of lignite by adsorption of alkyltrimethylammonium bromides with different alkyl chain length, Dry Technol, 35, 1

Liu, 2017, Wettability modification of lignite by adsorption of dodecyl based surfactants for inhibition of moisture re-adsorption, J Surfactant Deterg, 20, 707, 10.1007/s11743-017-1937-9

Liu, 2017, Calorimetric study of the wettability properties of low-rank coal in the presence of CTAB, J Therm AnalCalorim, 130, 1

Scales, 1986, Contact angle changes for hydrophobic and hydrophilic surfaces induced by nonionic surfactants, Colloids Surf, 21, 55, 10.1016/0166-6622(86)80082-8

Maršálek, 2008, The influence of surfactants on the Zeta potential of coals, Energy Sources Part A, 31, 66, 10.1080/15567030701468142

Chang, 2016, Wettability of coal pitch surface by aqueous solutions of cationic Gemini surfactants, Colloids Surf A, 494, 59, 10.1016/j.colsurfa.2016.01.022

Hassas, 2014, Ultrafine coal dewatering: relationship between hydrophilic lipophilic balance (HLB) of surfactants and coal rank, Int J Miner Process, 133, 97, 10.1016/j.minpro.2014.10.010

Zou, 2013, Wetting process and surface free energy components of two fine liberated middling bituminous coals and their flotation behaviors, Powder Technol, 246, 669, 10.1016/j.powtec.2013.06.028

Chang, 2015, Interaction between quaternary ammonium surfactants with coal pitch and analysis surfactants effects on preparing coal pitch water slurry, Colloids Surf A, 471, 101, 10.1016/j.colsurfa.2015.02.020

Glanville, 1982, Studies of coal dust wetting by surfactant solutions, Colloids Surf, 4, 209, 10.1016/0166-6622(82)80018-8

Singh, 1999, The role of surfactant adsorption in the improved dewatering of fine coal, Fuel, 78, 501, 10.1016/S0016-2361(98)00169-0

Mishra, 2005, Studies on the adsorption of Brij-35 and CTAB at the coal-water interface, J Colloid Interface Sci, 283, 294, 10.1016/j.jcis.2004.09.017

Marsalek, 2011, The influence of temperature on the adsorption of CTAB on coals, Colloids Surf A, 383, 80, 10.1016/j.colsurfa.2011.01.012

Liu, 2016, Wettability modification and restraint of moisture re-adsorption of lignite using cationic gemini surfactant, Colloids Surf A, 508, 286, 10.1016/j.colsurfa.2016.08.073

Liu, 2018, Decrease in hydrophilicity and moisture readsorption of Manglai lignite using lauryl polyoxyethylene ether: effects of the HLB and coverage on functional groups and pores, Fuel Process Technol, 174, 33, 10.1016/j.fuproc.2018.02.010

Chander, 1994, Flotation and wettability of a low-rank coal in the presence of surfactants, Miner Metall Process, 11, 55

Wen, 2017, Recent advances in effective collectors for enhancing the flotation of low rank/oxidized coals, Powder Technol, 319, 1, 10.1016/j.powtec.2017.06.030

Xia, 2019, Improving the adsorption of oily collector on the surface of low-rank coal during flotation using a cationic surfactant: An experimental and molecular dynamics simulation study, Fuel, 235, 687, 10.1016/j.fuel.2018.07.059

Chen, 2018, Exploration on the mechanism of enhancing low-rank coal flotation with cationic surfactant in the presence of oily collector, Fuel, 227, 190, 10.1016/j.fuel.2018.04.003

Liu, 2017, Decrease of hydrophilicity of lignite using CTAB: Effects of adsorption differences of surfactant onto mineral composition and functional groups, Fuel, 197, 474, 10.1016/j.fuel.2017.02.065

Rai, 2011, A molecular dynamics study of the interaction of oleate and dodecylammonium chloride surfactants with complex aluminosilicate minerals, J Colloid Interface Sci, 362, 510, 10.1016/j.jcis.2011.06.069

Tummala, 2011, Molecular dynamics simulations of surfactants at the silica-water interface: anionic vs nonionic headgroups, J Colloid Interface Sci, 362, 135, 10.1016/j.jcis.2011.06.033

Xu, 2013, Adsorption of cationic collectors and water on muscovite (001) surface: A molecular dynamics simulation study, Miner Eng, 53, 101, 10.1016/j.mineng.2013.07.006

Zhang, 2017, Wettability modification of Wender lignite by adsorption of dodecyl poly ethoxylated surfactants with different degree of ethoxylation: A molecular dynamics simulation study, J Mol Graph Model, 76, 106, 10.1016/j.jmgm.2017.06.028

Zhang, 2015, Adsorption of collectors on model surface of Wiser bituminous coal: A molecular dynamics simulation study, Miner Eng, 79, 31, 10.1016/j.mineng.2015.05.009

You, 2018, Molecular dynamics simulations of nonylphenol ethoxylate on the Hatcher model of subbituminous coal surface, Powder Technol, 332, 323, 10.1016/j.powtec.2018.04.004

Lyu, 2018, Adsorption and molecular dynamics simulations of nonionic surfactant on the low rank coal surface, Fuel, 211, 529, 10.1016/j.fuel.2017.09.091

Peng, 2017, Effect of pH on the adsorption of dodecylamine on montmorillonite: Insights from experiments and molecular dynamics simulations, Appl Surf Sci, 425, 996, 10.1016/j.apsusc.2017.07.085

Wender, 1976, Catalytic synthesis of chemicals from coal, Catal Rev, 14, 97, 10.1080/03602457608073408

Liu, 2015, Quantum chemical calculations and molecular dynamics simulations of amine collector adsorption on quartz (0 0 1) surface in the aqueous solution, Int J Miner Process, 134, 1, 10.1016/j.minpro.2014.11.001

Pacheco-Sánchez, 2003, Asphaltene aggregation under vacuum at different temperatures by molecular dynamics, Energy Fuels, 17, 1346, 10.1021/ef020226i

Nosé, 1991, Constant temperature molecular dynamics methods, Prog Theor Phys Supp, 103, 1, 10.1143/PTPS.103.1

Giles, 1960, Studies in adsorption. Part XI. A system of classification of solution adsorption isotherms, and its use in diagnosis of adsorption mechanisms and in measurement of specific surface areas of solids, J Chem Soc, 111, 3973, 10.1039/jr9600003973

Yu, 2009, Sorption of perfluorooctane sulfonate and perfluorooctanoate on activated carbons and resin: kinetic and isotherm study, Water Res, 43, 1150, 10.1016/j.watres.2008.12.001

Yu, 2012, Effect of hydrothermal dewatering on the slurry ability of brown coals, Energy Convers Manage, 57, 8, 10.1016/j.enconman.2011.11.016

Luzar, 1993, Structure and hydrogen bond dynamics of water-dimethyl sulfoxide mixtures by computer simulations, J Chem Phys, 98, 8160, 10.1063/1.464521

Zhang, 2014, Molecular dynamics investigation of thermite reaction behavior of nanostructured Al/SiO2 system, Acta Phys Sin, 63

Zolghadr, 2014, Adsorption and orientation of ionic liquids and ionic surfactants at heptane/water interface, J Phys Chem C, 118, 19889, 10.1021/jp506012x