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The feasibility of cultivating Chlorella vulgaris with wastewater containing high ammonia nitrogen concentrations was examined. The average specific growth rate of C. vulgaris was 0.92d−1 at 17mgL−1 NH4+-N, but declined to 0.33d−1 at NH4+-N concentrations of 39–143mgL−1. At 39mgL−1 NH4+-N, lipid productivity reached a maximum value (23.3mgL−1d−1) and dropped sharply at higher NH4+-N levels, which...
The effectiveness of a full scale membrane bioreactor (MBR) in the removal of bacteriophages and bacterial fecal indicators from municipal wastewater was compared with that obtained by conventional activated sludge process (CASP). Somatic coliphages (SOMCPH) and F-RNA specific bacteriophages (FRNAPH) were always detected in the pre-treated effluent (mean: 6Log10), while phages infecting Bacteroides...
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