Evaluation of nitrogen, phosphorus and sulphur removal in domestic wastewater, using phragmites australis in bioreactors

被引：2
|
作者：
Correa-Torres, Sandra N. [1 ]
Gamarra, Yolanda [1 ]
Salazar, Andrés A [1 ]
Pitta, Natalia M [1 ]
机构：
[1] Facultad de Ingeniería Ambiental, Universidad Pontificia Bolivariana, Seccional Bucaramanga. Autopista A Piedecuesta, Km 7, Bucaramanga, Colombia
来源：
Informacion Tecnologica | 2015年 / 26卷 / 06期
关键词：
Wastewater treatment - Bioremediation - Bioreactors - Phosphorus - Gravel - Biological water treatment - Sulfur compounds;
D O I：
10.4067/S0718-07642015000600011
中图分类号：
学科分类号：
摘要：
In the present study, nitrogen, phosphorus and sulfur removal was evaluated in domestic wastewater by phytoremediation using Phragmites australis in laboratory scale bioreactors. The hydraulic conditions in the reactor were determined by analyzing the geometric variables long:width ratio (4: 1 and 1: 4) and using a filter medium (gravel / sand). Additionally, the P. Australis growth was evaluated and removal percentages for each configuration were analyzed. The results indicated that water reactor with setting 4:1 present piston flow while configuration 1:4 present a behavior similar to mixed flow. Values of contaminant removal indicate higher phosphorus removal (60 to 90%) in all reactors and lower nitrogen removal (13%). The sulfides removal was 20%. The highest percentage of removal was presented in reactors gravel 4: 1 being the best condition to optimize the extraction of P. Australis.
引用
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页码：89 / 98
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