Remediation Technologies - A Comparative Study

Abstract

Contaminated land is a legacy of industrial revolution as a result of rapid growth of industries. Since long back, the disposal of liquid and solid wastes on land though undesirable, has been in practice. The leachate generated out from these hazardous wastes infiltrates into the ground and causes multiple problems viz., ground water pollution, soil pollution, loss of nutrition value of soil and thereby severe damage to plantation growth, changes in the soil behavior (excessive swell/shrink) depending on the nature of waste. It also causes serious distress to the existing structures such as pavements, foundations, underground pipelines and culverts. The changes in the soil behaviour caused by ground contamination can lead to structural failures. The present paper describes various physical, chemical, biological, thermal and solidification/stabilization methods of soil and ground water remediation and their comparison on the basis of applicability, time and cost.

Possibilities of remediation of neutral mine drainage - Removal and recovery of potentially hazardous elements

“…https://doi.org/10.17221/7/2022-SWR Physico-chemical processes could be applied to both methods. The physical properties of the contaminants are used to remove the contamination in physical treatment methods (Mittal & Shukla 2019).…”