Treatment of wastewater with modified constructed wetland system as a tertiary treatment unit

被引:0
|
作者
Sudarsan, J. S. [1 ]
Annadurai, R. [2 ]
Nithiyanantham, S. [3 ]
Prathap, M. G. [2 ]
Sudharson, G. [4 ]
机构
[1] Natl Inst Construct Management & Res, 25-1 Balewadi, Pune 411045, Maharashtra, India
[2] SRM Univ, Dept Civil & Environm Engn, Kattankulathur 603203, Tamil Nadu, India
[3] Thiru Vi Kalyanasundaram Govt Arts & Sci Coll, Ultrason NDT & Biophys Div, Post Grad & Res Dept Phys, Thiruvarur 610003, Tamil Nadu, India
[4] Saveetha Engn Coll, Dept Civil Engn, Chennai 602105, Tamil Nadu, India
关键词
cost analysis; wetland; vegetation; wastewater; model; POLLUTION CONTROL; TREATMENT-PLANT; NUTRIENTS; DESIGN;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Incorporation of constructed wetlands into the sewage treatment process is done in order to mimic processes found in the natural ecosystems where wetland plants and their associated microorganisms remove pollutants from wastewater. Vegetation in a wetland provides a substrate upon which microorganisms can grow, and break down organic materials. These organisms and natural chemical processes are responsible for approximately 90% of pollutant removal and waste breakdown in nature. This research work has been undertaken with a view to integrating the natural ecosystem into the existing treatment plant on a large scale, which will be instrumental in minimising the use of machineries and reducing high investment and operating cost as well as energy consumption. The greywater can be reused for purification but the currently adopted process to obtain a secondary water source is complicated and expensive. The conventional process constructed wetlands can be used as a tertiary treatment unit of sewage treatment process.
引用
收藏
页码:189 / 200
页数:12
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