ORIGINAL RESEARCH
The Performance of Species Mixtures in Nitrogen
and Phosphorus Removal at Different Hydraulic
Retention Times
Hai Wang1,2, Cheng-Cai Huang2, Ying Ge1, Jian zhi Wu1, Jie Chang1
1College of Life Sciences, Zhejiang University, Hangzhou 310058, PR China
2College of Life Sciences, Shaoxing University, Shaoxing 312000, PR China
2College of Life Sciences, Shaoxing University, Shaoxing 312000, PR China
Pol. J. Environ. Stud. 2014;23(3):917-922
KEYWORDS
ABSTRACT
The effects of species compositions (two-species mixtures or monocultures) and hydraulic retention
times (HRT; 1, 4, 8, 16, 24, 48 hours) on total nitrogen (TN) and total phosphorus (TP) removal from eutrophic
water were studied in a constructed wetland. Two species mixtures showed higher efficiency to remove TN
and TP than monocultures. Average removal efficiency of TN and TP was 49.6% and 34.0%, respectively. A
longer HRT enhanced the removal efficiency of TN and TP, which suggested that species mixtures, HRT, and
species mixtures × HRT interaction were useful for increasing the wastewater TN and TP removal.
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| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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