Comparative study of As(V) removal by ferric coagulation and oxy-hydroxides adsorption: laboratory and full-scale case studies
作者： Sofia Tresintsi , Konstantinos Simeonidis , Anastasios Zouboulis , Manassis Mitrakas
DOI: 10.1080/19443994.2012.748011
关键词:
摘要: ABSTRACT This research attempts to evaluate the efficiency of two main arsenic removal processes, i.e. Fe(III) coagulation and iron oxy-hydroxides adsorption, by combining laboratory-scale experiments results from operating full-scale water treatment units, located in several places Greece. The proposed experimental procedure showed that ability is proportional added salt dose appears be much more efficient than adsorption process applied columns filled with oxy-hydroxide solid media. Furthermore, comparison obtained large-scale plants indicated possibility predict required quantities chemicals’ addition, or adsorbents scaling-up laboratory pilot-scale systems, respectively. However, apart effectiveness each method, variation flow rates, residual concentrations, specific requirements for operation maintenance should ...
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