Effects of fractal surface on rheological behavior and combustion kinetics of modified brown coal water slurries

作者: Zhifang Gao , Shuquan Zhu , Mingdong Zheng , Zhaojin Wu , Huihong Lü

DOI: 10.1007/S40789-015-0075-0

关键词: FractalChemical engineeringFractal dimensionBrown coalCoal waterChemistryMineralogyCombustion kineticsIgnition systemSlurryRheology

摘要: The paper reports the effects of surface fractal structures on rheological behavior and combustion kinetics raw brown coal three modified water slurries (CWSs). results show that physicochemical properties samples are dependent various modification processes. apparent viscosities increase with increasing dimensions (D), especially decreasing shear rates. Furthermore, it has been proved ignition temperatures activation energies CWSs lower than slurry. Compared traditional qualitative analysis effect pore properties, D can more efficiently indicate quantificational CWSs.

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