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- Title
A Comparative Study of Physical and Chemical Parameters and Ciliate Diversity of Leachate Contaminated Soil from the Landfill and the Soil from the Human Inhabitant Land.
- Authors
Maurya, S.; Abraham, J. S.; Somasundaram, S.; Sandeep; Dagar, J.; Gupta, R.; Makhija, S.; Bhagat, P.; Toteja, R.
- Abstract
Landfilling is considered to be a safe and economical approach for waste disposal but this is true only for engineered landfills. Engineered landfills are seldom found in developing countries like India. The generation of leachate from the landfilled municipal solid waste (MSW) is a major concern nowadays. Leachate is the result of two main phenomena occurring in a landfill: infiltration of water in the deposited waste mass and mass transfer of substances from waste to infiltrating water. This leachate can cause severe environmental degradation and also pollute natural resources like soil and soil microbes. In the present study, the physical and chemical parameters and ciliate diversity of leachate contaminated soil from the Okhla landfill (Okhla L) and non-contaminated soil from human inhabitant site Acharya Narendra Dev College (ANDC) were compared. It was observed that the physical and chemical parameters namely, water holding capacity, pH, electrical conductivity, calcium and magnesium, calcium carbonate, soil organic matter, nitrogen and cation exchange capacity of soil contaminated with leachate from Okhla L was found to be significantly different from the ANDC. The concentration of various heavy metals such as Co, Ni, Cu, Zn, Cd and Pb were found to be significantly different at both sites. Heavy metals viz, Co, Ni, Cu, Zn, Cd and Pb were found to be much higher than permissible limits at Okhla L site. The various diversity indices for ciliate diversity were found to be significantly higher at ANDC. It is therefore affirmed that the disposal of municipal solid waste significantly alters the physical and chemical parameters of leachate contaminated soil. This study might help to understand that how MSW dumping affects physical and chemical parameters of soil and also its biological properties. The study also affirms that ciliates can act as bioindicators for assessing soil health and quality.
- Subjects
INDIA; LEACHATE; LANDFILLS; WASTE management; SOLID waste; LANDFILL management; NATURAL resources; ENVIRONMENTAL degradation; SOILS
- Publication
Eurasian Soil Science, 2022, Vol 55, Issue 8, p1161
- ISSN
1064-2293
- Publication type
Article
- DOI
10.1134/S1064229322080117