Environmental Pollution, Toxicity Profile and Treatment Approaches for Tannery Wastewater and Its Chemical Pollutants

Reviews of Environmental Contamination and Toxicology
Gaurav SaxenaRam Naresh Bharagava

Abstract

Leather industries are key contributors in the economy of many developing countries, but unfortunately they are facing serious challenges from the public and governments due to the associated environmental pollution. There is a public outcry against the industry due to the discharge of potentially toxic wastewater having alkaline pH, dark brown colour, unpleasant odour, high biological and chemical oxygen demand, total dissolved solids and a mixture of organic and inorganic pollutants. Various environment protection agencies have prioritized several chemicals as hazardous and restricted their use in leather processing however; many of these chemicals are used and discharged in wastewater. Therefore, it is imperative to adequately treat/detoxify the tannery wastewater for environmental safety. This paper provides a detail review on the environmental pollution and toxicity profile of tannery wastewater and chemicals. Furthermore, the status and advances in the existing treatment approaches used for the treatment and/or detoxification of tannery wastewater at both laboratory and pilot/industrial scale have been reviewed. In addition, the emerging treatment approaches alone or in combination with biological treatment approaches hav...Continue Reading

Citations

Jun 9, 2020·Frontiers in Microbiology·Shweta Jaiswal, Pratyoosh Shukla
Nov 14, 2018·Environmental Monitoring and Assessment·Sobia AshrafZahir Ahmad Zahir
Nov 8, 2020·Environmental Science and Pollution Research International·Arukula DeepaBrijesh Kumar Mishra
May 1, 2021·International Journal of Environmental Research and Public Health·Katherine von StackelbergErnesto Sánchez-Triana
Jul 25, 2021·Environmental Science and Pollution Research International·Judia Magthalin ChristopherSekaran Ganesan

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