Stabilization/solidification of mercury-contaminated waste ash using calcium sodium phosphate (CNP) and magnesium potassium phosphate (MKP) processes

•A novel phosphate ceramic process is proposed to treat Hg-contaminated ash.•Ash was stabilized and solidified under various operating conditions.•The treated ash exhibited an Hg leaching value below the treatment standard.•The stabilized/solidified sample exhibited high compressive strength.•Physic...

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Veröffentlicht in:	Journal of hazardous materials 2014-08, Vol.278, p.474-482
Hauptverfasser:	Cho, Jae Han, Eom, Yujin, Lee, Tai Gyu
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Ashes Binders Calcium Calcium Phosphates - chemistry Calcium sodium phosphate CBPC Chemical engineering Compressive Strength Crystallization, leaching, miscellaneous separations Exact sciences and technology Ferrous Compounds - chemistry General treatment and storage processes Incineration Industrial Waste - analysis Magnesium Magnesium Compounds - chemistry Mercury Mercury (metal) Mercury - chemistry Other industrial wastes. Sewage sludge Pollution Potassium Compounds - chemistry Solidification Stabilization Sulfides - chemistry TCLP Wastes Water Pollutants, Chemical - analysis
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