Research Papers

Spatial quality improvement of a toxic industrial effluent, based on physico-chemistry, algal community changes and algal bioassay

Published in: African Journal of Aquatic Science
Volume 39, issue 1, 2014 , pages: 1–16
DOI: 10.2989/16085914.2013.870524
Author(s): MI Abdel-HamidBotany Department, Egypt, EI Abdel-AalBotany Department, Egypt, YA AzzabBotany Department, Egypt


Spatial recovery of a highly alkaline and ammonia-rich industrial effluent was assessed along a wastewater receiving drain near Mansoura City in 2006. Spatial changes in physico-chemical characteristics and water quality index indicated a progressive downstream improvement of wastewater quality, and EC50 values revealed a downstream reduction in effluent toxicity. The diversity index and biomass development of Pseudokirchneriella subcapitata alga gave qualities congruent with those revealed by the physico-chemical characteristics.

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