Effects of Hydraulic Loading Rate on nutrient removal in Multi-stage Constructed Wetland

被引：0

作者：

Chen, Qingfeng ^{[1
]}

Dong, Wenguo ^{[1
]}

Ma, Junjian ^{[1
]}

Li, Qing ^{[1
]}

Gao, Xinguo ^{[1
]}

Ding, Shigang ^{[1
]}

Zhang, Jing ^{[1
]}

机构：

[1] Shandong Prov Anal Test Ctr, Key Lab Appl Technol Sophisticated Analyt Instrum, Jinan 250014, Peoples R China

来源：

ENVIRONMENTAL ENGINEERING, PTS 1-4 | 2014年 / 864-867卷

关键词：

constructed wetland; nutrient removal efficiency; operational parameter; hydraulic loading rate; WASTE-WATER; PREDICTION; PERFORMANCE; NITROGEN;

D O I：

10.4028/www.scientific.net/AMR.864-867.1498

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Hydraulic loading rate (HLR) is an important operational parameter for constructed wetland to purify wastewater. In this paper, it is the main objective to select the optimal parameter of HLR. During the four HLRs (i.e., 6 cm/d, 12 cm/d, 24 cm/d and 48 cm/d) operation period, six days were used as one stage. The experimental results showed that the best average removal rates of CODcr (59.7%) and NH3-N (89.4%) were at the HLR of 6 cm/d. In the meantime, the best average removal rate of total phosphorus (TP, 50.0%) was at the HLR of 24 cm/d. According to the low influent TP concentration, it is suggested that the HLR of 6 cm/d should be used in the multi-stage constructed wetland.

引用

页码：1498 / 1502

页数：5

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