| Chl or el l a sp.PKU AC201 was i sol at ed f r om Dasha Ri ver f r eshwat er ,and Chl or el l a sp.PKU AC117 and
Desmodesmus sp.PKU AC128 wer e i sol at ed f r om Shenzhen Bay seawat er .Ef f i ci ency ofni t r ogen and phosphor us r emoval
f r om ar t i f i ci alwast ewat erwast ewat erby t he t hr ee mi cr oal gae st r ai ns was st udi ed.The r esul t s showed t hataf t ercul t i vat i on
f or 7 days ,t he OD 680 oft he f r eshwat er Chl or el l a,t he seawat er Chl or el l a,and Desmodesmus,r eached 1. 4,1. 2,and 0. 5,
r espect i vel y,whi l e t he al galbi omass concent r at i on r eached 158. 5 mg/ L,139. 7 mg/ L,58. 8 mg/ L,r espect i vel y;t he ni t r ogen
r emovalr at es f or t he mi cr oal gae wer e 90. 0% ,80. 2% ,and 57. 1% ,r espect i vel y,and t he phosphor us r emovalr at es wer e
94. 7% ,72. 2% ,and 55. 1% ,r espect i vel y.The r esul t s r eveal ed t hatal lt he t hr ee st r ai ns ofmi cr oal gae had good abi l i t y of
ammoni a and phosphat e t ol er ance and r emar kabl e ni t r ogen and phosphor us r emovalt hr ough mi cr obi alassi mi l at i on r at her
t han adsor pt i on,and t he gr owt h and nut r i entabsor pt i on abi l i t y ofChl or el l a sp.wasbet t ert han t hatofDesmodesmussp. |
