Bioremediation of Environmental Waste: A Review

Authors

  • Sadia Sidra Aziz University of Gujrat, Punjab, Pakistan.

Keywords:

Biodegradation, Bioremediation, Microbial fuel cells, Dendro liquid energy, WtE program

Abstract

Nearly 1.6 billion tons of waste produced annually poses several environmental and health threats and, therefore, efficient waste disposal and management programs require urgent attention. Biodegradation and bioremediation are environmental friendly methods with reference to reduced production of toxic residues and release of trapped nutrients in the process of mineralization. The so-called ‘waste substances’ have high calorific values and huge amount of energy that is often not utilized and is discarded. This waste matter can be utilized for energy, fuel and electricity production with the help of micro-organisms. Currently, ‘Waste to Energy (WtE) Program’ is being practiced by many countries for the production of clean fuels and electricity utilizing a number of methods e.g. fermentation, anaerobic digestion, landfill gas, bio-sparging, bio augmentation, microbial fuel cells, bioventing, dendro liquid energy, etc., with the latter being most efficient of all as it is based on zero waste technology and has high efficiency. Many bacterial, fungal and other species have been reported that efficiently degrade the waste matter. In addition, genetically modified organisms are being produced for the degradation of specific kinds of wastes e.g. polymers, hydrocarbons, plastics, industrial wastes, etc. Efficient system of waste collection, recycling and reuse along with active public participation are essential for any successful waste management program. This review aims to discuss few biological methods for waste management. 

Author Biography

Sadia Sidra Aziz , University of Gujrat, Punjab, Pakistan.

Sadia Sidra Aziz completed her MSc in Zoology in 2016 from University of Gujrat, Pakistan and is now enrolled in MPhil Zoology in same institute.

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Published

2018-09-08

How to Cite

Sadia Sidra Aziz. (2018). Bioremediation of Environmental Waste: A Review. University of Wah Journal of Science and Technology (UWJST), 2, 35–42. Retrieved from https://uwjst.org.pk/index.php/uwjst/article/view/14