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標題: The capture of heavy metals from incineration using a spray dryer integrated with a fabric filter using various additives
作者: Liu, Z.S.
Wey, M.Y.
Lin, C.L.
關鍵字: flue-gas desulfurization;mercuric-chloride vapors;fly-ash;aerosol;formation;size distribution;adsorption;lead
Project: Journal of the Air & Waste Management Association
期刊/報告no:: Journal of the Air & Waste Management Association, Volume 51, Issue 7, Page(s) 983-991.
This study investigated the effects of feedstock additives [polyvinyl chloride (PVC) and NaCl] and spray dryer additives (SiO2, CaCl2, NaHCO3) on heavy metal and fly ash removal efficiencies, and on particle size distribution of heavy metals. A spray dryer with an integrated fabric filter was used as an air pollution control device (APCD). Removal efficiencies for fly ash and heavy metals were greater than 95 and 90%, respectively. When additives of PVC or NaCl were used, the concentration of heavy metals distributed in fly ash apparently varied when the particle diameter was <1 m. Although the effects of the additives SiO2, CaCl2, and NaHCO3 on the elemental size distribution of Cr were insignificant, these additives did slightly increase concentrations of Cd, Zn, and Pb partitioning in coarser particles (>1 mum).
ISSN: 1047-3289
Appears in Collections:環境工程學系所

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