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Landfill leachate taken from a landfill situated in the north-western region of Bulgaria has been treated in a laboratory scale vertical flow constructed wetland (VF-CW) at different flow rates (40, 60 and 82mlmin −1 ) and recirculation ratios (time of water running through wetland to time of quiet water – 1:1; 1:2; 1:3). Young Phragmites australis was planted on the top layer of the reactor...
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