Feasibility of fly ash-based composite coagulant for coal washing wastewater treatment

► Coal washing wastewater was analyzed. ► Several fly ash-based composite coagulants were prepared to treat coal washing wastewater. ► The effluent with the high COD and SS removal was obtained after treatment. In this study, several fly ash (FA)-based composite coagulants, leached by hydrochloric a...

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Veröffentlicht in:	Journal of hazardous materials 2012-02, Vol.203, p.221-228
Hauptverfasser:	Yan, Long, Wang, Yufei, Ma, Hongzhu, Han, Zhiping, Zhang, Qiang, Chen, Yashao
Format:	Artikel
Sprache:	eng
Schlagworte:	aluminum calcium calcium oxide chemical oxygen demand Coagulant Coagulants coagulation Coal Coal Ash coal fly ash Coal washing wastewater colloids energy Feasibility Studies fluorescence Fly ash hydrochloric acid Industrial Waste iron leachates Microscopy, Electron, Scanning Particle Size particle size distribution Particulate composites scanning electron microscopy sludge slurries Spectrometry, X-Ray Emission spectroscopy Washing Waste water wastewater Wastewater treatment Water Pollutants - chemistry X-radiation X-Ray Diffraction zeta potential
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