Journal of Water Chemistry and Technology, volume 46, issue 6, pages 617-623
Treatment of Simulated Dumpsite Leachate Using Fly Ash in the Constructed Wetland
Bendi Anjaneyulu
1
,
Anubha Kaushik
2
,
Anu Chetal
3
,
Simranjeet Singh
4
1
Department of Chemistry, Presidency University, Rajanukunte, Itgalpura, Karnataka, Bangalore, India
2
University School of Management, Gurugobind Singh Indraprastha University, New Delhi, India
3
National Mission for Clean Ganga, Ministry of Jal Shakti, New Delhi, India
4
Department of Environmental Science, Faculty of Science, SGT University, Haryana, Gurugram, India
Publication type: Journal Article
Publication date: 2024-11-08
wos Q4
SJR: —
CiteScore: —
Impact factor: 0.5
ISSN: 1063455X, 1934936X
Abstract
Fly ash is the primary residue produced in huge amounts by coal combustion in thermal power plants, which needs to be utilized appropriately. In this connection, an experimental study was conducted with fly ash alone and in combination with soil for the treatment of simulated dumpsite leachate in constructed wetland (CW) (vertical flow) systems containing Canna + Typha plants. The study revealed that the fly ash + soil mixture as a CW substrate showed better removal efficiency of chemical oxygen demand (COD), phosphate ( $${\text{PO}}_{4}^{{3 - }}$$ ), total nitrogen (TN), and chloride (Cl–) by 97.3, 99.4, 94.5, and 89.6%, respectively, in comparison to the fly ash alone which was shown to yield the corresponding values of 88.5, 94.1, 84, and 73.2% of the efficiency in the removal of these pollutants from simulated dumpsite leachate.
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