Advanced Removal of Arsenic Compounds from Aqueous Systems with Complex Pollution Applying Combined Method of Oxidation/Precipitation/Flotation - Tool for Implementation of the Programs for European Legislation Fulfilment in the Frame of Environmental Discharging of Hazardous Substances

Abstract

The experiments of oxidation - precipitation/adsorption - flotation/settling led to the followings results:  - the completion of data base in the field;  - the establishment of the effluents pollution matrix (mine waters, wastewater from pesticides fabrication) and drinking water sources;  - the establishment of treatment optimal parameters taking into account pollution context;  - the establishment of optimal treatment flow scheme for wastewater with arsenic compounds content to be within admitted limits;  - the improvement of existent drinking water/wastewater treatment plants. It was elaborated an advanced physical - chemical treatment technology for industrial wastewater (mine water) with arsenic content in order to have final effluents in the frame of discharging admitted limits to natural receivers.