2006•Environmental Science & TechnologyRequires access

A Preliminary Study on Eliminating Nitrogen and Phosphorus from Artificial Wastewater by Immobilized Bacteria-algae

Yanhao Zhang

Abstract

Chlorella pyrenoidosa, bacteria and bacteria-algae was entrapped in calcium alginate and used for treatment of artificial wastewater. Experiment results showed that the removal efficiency of nitrogen and phosphorus by immobilized bacteria-algae beads were 100% and 89.8% respectively at the presence of glucose during 44 hours treatment, and the effects were better than that of immobilized bacteria and algae beads. The removal efficiency of nitrogen and phosphorus was the highest at N/P ratio of 5:1.

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Key concepts: Chlorella pyrenoidosa, Algae, Phosphorus, Bacteria, Wastewater, Calcium alginate, Chlorella, Nitrogen