African Journal of Aquatic Science

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

MI Abdel-Hamid, EI Abdel-Aal, YA Azzab


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.

African Journal of Aquatic Science 2014, 39(1): 1–16
AJOL African Journals Online