Abstract
Keywords:Microalgae;Biofuel;Wastewater; Removal of nitrogen and phosphorous Abstract: Four species of microalgae were chosen in this research, including two American species, Chlammydomonas reinhardtii (CHRE for short) and Scenedesmus obliquus(SCOB), as well as two domestic species Chlamydomonas sajiaoLewin(CHSA)and Scenedesmus obliquus(SCOBC)in order to analyze the nitrogen and phosphorus removal effects and growth traits of different micro-algae species under different culture condition. The results showed the removal rates of TN (total nitrogen) of CHRE, CHSA, SCOB and SCOBC were 48.42%, 35.94%, 42.51%, 36.16%, respectively. For TP (total phosphorus), they are 97.83%, 96.82%, 96.82% and 95.86%, respectively. And for NH3-N (Ammonia nitrogen), the removal rates are 51.88%, 33.61%, 49.60% and 35.89%, respectively. Among them, C.reinhardtii has performed a significant advantage in the nitrogen and phosphorus removal. Furthermore, it also filters the potential suitable species for local area is
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