SHORT COMMUNICATION
Effects of Macrophyte Species and Density on Algae Inhibition and Water Purification in Submerged Macrophyte Ponds
Yi Ding 1,2
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1
College of Ocean Science and Engineering, Center for Marine Environmental and Ecological Modelling, Shanghai Maritime University, Shanghai, China
 
2
College of Environmental Science and Engineering, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Donghua University, Shanghai, China
 
 
Submission date: 2019-08-16
 
 
Final revision date: 2019-10-18
 
 
Acceptance date: 2019-10-27
 
 
Online publication date: 2020-03-05
 
 
Publication date: 2020-05-12
 
 
Corresponding author
Xinshan Song   

Donghua University, College of Environmental Science and Engineering, , 201620, Shanghai, China
 
 
Pol. J. Environ. Stud. 2020;29(5):3451-3456
 
KEYWORDS
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ABSTRACT
Submerged macrophytes are capable of inhibiting algae growth and removing nutrients from water with cost-effective and ecofriendly properties. The purification efficiency of three submerged macrophytes (Ceratophyllum demersum, Myriophyllum spicatum, and Vallisneria natans) was systematically compared in submerged macrophyte ponds (SMPs). Twelve SMP reactors divided into three groups were constructed to treat synthetic eutrophic wastewater throughout the summer and autumn season. The results demonstrated that higher macrophyte density could promote water purification performance. Summer tests exhibited better removal performance than autumn tests. Based on comprehensive consideration, constructing high-quality-concentration Myriophyllum spicatum pond in summer season was the optimal design and operation of SMPs, in which 43.8±2.0% TN, 97.8±1.0% TP, 99.0±1.0% DCOD, and 68.7±3.0% algae biomass could be reduced.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
 
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