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Khare, S. K.
- Sustainable Options for Mitigation of Major Toxicants Originating from Electronic Waste
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Authors
Affiliations
1 Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz-Khas, New Delhi 110 016, IN
1 Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz-Khas, New Delhi 110 016, IN
Source
Current Science, Vol 111, No 12 (2016), Pagination: 1946-1954Abstract
Electronic waste (e-waste) is an emerging source of toxic contaminants in the environment. It is considered to be hazardous as it is known to contain toxic metals, viz. Cr, Ni, Zn, Pb and Hg in huge amounts and organic pollutants, viz. polychlorinated biphenyls, polybrominated diphenyl ethers and tetrabromobisphenol- A. Rapid development and changes in lifestyle have resulted in a huge pile-up of e-waste and its continuous production further makes the situation troublesome. E-waste is usually processed informally for recovery of precious metals. During this process, a large amount of toxic metals, organic compounds and secondary organic pollutants such as polyaromatic hydrocarbons and dioxin enters into the environment. Disposal of raw or processed e-waste in landfills also results in contamination of soil and groundwater through leachate. Considering the present environmental condition along with toxic and persistence nature of pollutants originating from e-waste, their remediation using sustainable methods is highly desirable. This article provides an overview of different bioremediation options used and available for remediation of e-waste-related pollutants. Advantages and limitations of these methods along with their applicability in restoration of contaminated system are also highlighted.Keywords
Bioremediation, Electronic-Waste, Metals, Microorganisms, Organic Pollutants.Full Text
- Study of the Impact of Plaster of Paris (Pop) and Clay Idols Immersion in Water
Abstract Views :127 |
PDF Views:0
Authors
Affiliations
1 M.P. Pollution Control Board, Bhopal (M.P.), IN
2 M.P. Pollution Control Board, Jabalpur (M.P.), IN
3 International Institute of Waste Management (IIWM), Bhopal (M.P.), IN
1 M.P. Pollution Control Board, Bhopal (M.P.), IN
2 M.P. Pollution Control Board, Jabalpur (M.P.), IN
3 International Institute of Waste Management (IIWM), Bhopal (M.P.), IN
Source
International Journal of Scientific Engineering and Technology, Vol 3, No 7 (2014), Pagination: 861-864Abstract
Idol immersion activities during certain festive occasions are adding to the pollution load of the waterbodies. Non-biodegradable materials and synthetic paints used for making these idols are posing serious threat to aquatic life and environment. Present study was conducted to assess the impact of idol immersion on water. For this purpose, water sample were collected from Nanpura immersion point at morning during pre immersion, immersion and post immersion periods of Ganesh idols. The significant changes in certain physicochemical properties of water revealed decrease in the dissolved oxygen, BOD and free CO2, whereas increase in the total alkalinity, total hardness, total Calcium, COD, Oil and Grease, temperature and pH were observed during immersion period. In view of the observed changes in the water quality, there is need to aware masses to use eco-friendly material for idol so that culture and environment can be preserved in a cohesive manner.Keywords
Idol Immersion, Water Pollution, Plaster of Perish, Heavy Metals.Full Text