Seasonal variation of nutrient removal in a full-scale horizontal constructed wetland

被引：22
|
作者：
Mesquita, M. C. [1 ]
Albuquerque, A. [2 ]
Amaral, L. [3 ]
Nogueira, R. [4 ]
机构：
[1] Polytech Inst Castelo Branco, High Sch Agr, Apartado 119, P-6001909 Castelo Branco, Portugal
[2] Univ Beira Interior, Dept Civil Engineer & Architecture, Bloco II Engn, P-6201001 Covilha, Portugal
[3] Univ Nova Lisboa, Fac Sci & Technol, Dept Sci & Environm Engn, P-2829516 Caparica, Portugal
[4] Inst Sanit Engn & Waste Management, Welfengarten 1, D-30167 Hannover, Germany
来源：
4TH INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENT RESEARCH, ICEER 2017 | 2017年 / 136卷
关键词：
Constructed wetlands; horizontal subsurface flow; domestic wastewater; nutrinet removal; seasonal variation; WASTE-WATER; NITROGEN REMOVAL; EFFICIENCY; AERATION; EFFLUENT; OXYGEN;
D O I：
10.1016/j.egypro.2017.10.246
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The main objective of the present study was to evaluate the difference in removal efficiency (RE) of nitrogen and phosphorus compounds based on the seasonal changes in a full-scale gravel-based horizontal subsurface flow constructed wetland located in Interior Central Region of Portugal. The RE of nitrogen and phosphorus compounds were relatively poor, but the results allow us to conclude that season had a significant (p<0.05) effect on the RE of TN, NH4+-N, NOx-N, TP and DP, with higher values in spring-summer period (10.4%, 10.4%, 3.4%, 27.5% and 26.1%, respectively) than in autumn-winter (0%, -7.7%, -9.8%, 12.9% and 0%, respectively). (C) 2017 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：225 / 232
页数：8
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