Bioremediation of oily sludge polluted soil employing a novel strain of Pseudomonas aeruginosa and phytotoxicity of petroleum hydrocarbons for seed germination

The Science of the Total Environment
Sunita VarjaniAshok Pandey

Abstract

Agricultural land pollution is key a problem globally, which is linked with growth of industries. Petroleum industrial sector is one of the major industrial sectors and the activities of petroleum industry lead to the agricultural land pollution. Oily sludge is a type of solid and hazardous waste generated from petroleum industrial activities. Hence, there is an urgent need to find remediation methods of the oily sludge contaminated agricultural land. Thus, the aim of this work was to study bioremediation of oily sludge polluted soil employing a novel strain of Pseudomonas aeruginosa and evaluation of phytotoxicity on germination of Vigna radiata seed in pots. Five different approaches were adopted for the bioremediation studies, which included Bioaugmentation + Biostimulation, bioaugmentation, biostimulation, natural attenuation and abiotic factors. Simultaneous application of P. aeruginosa NCIM 5514 and nutrients in microcosm showed 92.97 ± 0.92% decrease in oily sludge with good hydrocarbon utilizing bacterial count and decreased nutrient level in 56 days. Pot experiments on seed germination of mung beans (Vigna radiata) seeds was performed by pot experiments. 80.95% germination in five days in treated soil. From the results...Continue Reading

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Citations

Dec 2, 2020·Bioresource Technology·Sunita VarjaniXuan-Thanh Bui
Mar 22, 2021·Bioresource Technology·Anoop R MarkandeSunita Varjani
Jul 6, 2021·Saudi Journal of Biological Sciences·O OziegbeS J Olorunsola
Aug 17, 2021·Ecotoxicology and Environmental Safety·Bingchen WangHuihui Wang
Aug 23, 2021·Environmental Science and Pollution Research International·Vivek Kumar GaurAshok Pandey

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