Efficiency of and symbiotic composite at ammonium and phosphate removal from synthetic wastewater.

Many issues, such as, DO accumulation, N fixation obstacle, and carbon dioxide diffusion, hamper the application of microalgae-alginate immobilization in wastewater treatment. The objective of this study was to evaluate the effect of the microalgae immobilized with the bacterium in alginate on ammonium and phosphate removal from synthetic wastewater. Results show that the co-immobilized can exploit ammonium and phosphate from wastewater more effectively than the immobilized , and immobilized alone. A significantly higher ammonium and phosphate removal efficiency was found in co-immobilized (59.85%, 90.44%) than of that in immobilized (49.56%, 77.36%), and immobilized (31.46%, 29.66%) alone. Additionally, the most effective co-immobilization mixture ratio for wastewater treatment was found to contain equal suspension (10 cell/ml) volume of the and . and can coexist harmoniously with the symbiotic and synergistic relationship, and the - combination can be useful as a potential method to develop novel wastewater treatment.