Effect of operational parameters on the performance of a horizontal subsurface flow constructed wetland treating secondary cheese whey and Cr(VI) wastewater
Author(s) : ATHANASIA G. TEKERLEKOPOULOU, CHRISTOS S. AKRATOS, DIMITRIOS V. VAYENAS, MAR-YAM SULTANA, TRIANTAFYLLOS TATOULIS
Abstract
While constructed wetlands have proved to be successful in the treatment of various wastewaters, their ability to co-treat wastewaters with different characteristics has not been thoroughly examined. To this end, four pilot-scale horizontal subsurface flow constructed wetlands were used to co-treat secondary cheese whey and hexavalent chromium. Based on the experimental results constructed wetlands proved to be effective in co-treating these two wastewaters as they achieved 100% removal of hexavalent chromium, while mean COD removal ranged between ranged between 50% and 70%.
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