Journal
SUSTAINABILITY
Volume 15, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/su15075847
Keywords
bioremediation; eco-sustainable biotechnology; environmental cleanup; metabolic pathways; polycyclic aromatic hydrocarbons
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The increasing population density and industrialization have had adverse effects on the environment globally, particularly in terms of contamination of soil, agricultural lands, and water bodies with petroleum wastes and hydrocarbon pollutants. Microbial activities have been found to play significant roles in the cleanup of these contaminants, but their burden is expected to increase in the next decade. Therefore, there is a need to rapidly investigate and develop low-cost technologies for eco-sustainable development. This article reviews the applicability of various bioremediation processes, biodegradation pathways, and treatments, highlighting the role of microbial activities in achieving efficient eco-sustainable bioremediation of hydrocarbon pollutants. An integrated bioremediation approach, including biostimulation and bioaugmentation, is recommended for cost-effective removal of toxic petroleum hydrocarbons and their derivatives.
The increasing population density and industrialization are adversely affecting the environment globally. The contamination of the soil, agricultural lands, and water bodies with petroleum wastes and other hydrocarbon pollutants has become a serious environmental concern as perceived by the impacts on the aquatic and marine ecosystem. Various investigations have provided novel insights into the significant roles of microbial activities in the cleanup of hydrocarbon contaminants. However, the burden of these pollutants is expected to increase many folds in the next decade. Therefore, it is necessary to investigate and develop low-cost technologies rapidly, focusing on eco-sustainable development. An understanding of the details of biodegradation mechanisms paves the way for enhancing the efficiency of bioremediation technology. The current article reviews the applicability of various bioremediation processes, biodegradation pathways, and treatments, and the role of microbial activities in achieving efficient eco-sustainable bioremediation of hydrocarbon pollutants. It is envisaged that an integrated bioremediation approach, including biostimulation and bioaugmentation is preferably advocated for the cost-effective removal of toxic petroleum hydrocarbons and their derivatives.
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