Table 1: Experimental design and nitrogen reduction levels.

Culture Media Photoperiod / Growth Mode Nitrogen Reduction Levels
Artificial Wastewater
(AW)
Photoautotrophic 90 mg L–1
From 90 to 30 mg L–1
From 90 to 20 mg L–1
From 90 to 10 mg L–1
Mixotrophic (12/12 h) 90 mg L–1
From 90 to 30 mg L–1
From 90 to 20 mg L–1
From 90 to 10 mg L–1
Urban Wastewater
(WW)
Photoautotrophic 90 mg L–1
From 90 to 30 mg L–1
From 90 to 20 mg L–1
From 90 to 10 mg L–1
Mixotrophic (12/12 h) 90 mg L–1
From 90 to 30 mg L–1
From 90 to 20 mg L–1
From 90 to 10 mg L–1