Exploring polyhydroxyalkanoates biosynthesis using hydrocarbons as carbon source: a comprehensive review

Corti Monzón, G.; Bertola, G.; Herrera Seitz, M. K.; Murialdo, S. E.

doi:10.1007/s10532-023-10068-9

Cited by 3 publications

(1 citation statement)

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“…Limited literature is available on PHA production from hydrocarbons containing industrial wastes or pure hydrocarbons, and successfully obtaining it from hazardous oily sludge waste, which contains a mixture of different types of hydrocarbon pollutants, is thought-provoking and a novel idea. Hence, in this study, bacterial isolates capable of degrading crude oil as well as oily sludge were explored for PHA production.…”

Section: Introductionmentioning

confidence: 99%

Exploring the Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Production Potential of Total Petroleum Hydrocarbon Degrading Bacteria Using Oily Sludge Waste as Feedstock

Patel,

Munshi

2024

ACS EST Eng.

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Though bioremediation of hazardous petroleum refinery waste (oily sludge) has been practiced for the last few decades, the present study proposes to obtain polyhydroxyalkanoate (PHA)-based bioplastic polymer from it as a valuable byproduct parallel to its treatment. In the present study, nine fastgrowing and sodium benzoate degrading bacterial strains belonging to the genera Achromobacter, Pseudomonas, Acinetobacter, Ochrobactrum, and Pannonibacter were found to be PHA-positive. The screened bacterial cultures showed total petroleum hydrocarbon (TPH) degradation in the range of 31% to 91% from 1% oily sludge containing medium and could accumulate PHA in the range of 50% to 92%. The Fourier Transform Infrared (FTIR) interferogram of extracted PHA represented PHA-related functional groups, while proton nuclear magnetic resonance ( H NMR) spectra showed chemical shifts corresponding to a −CH 3 of 3HB (0.88 ppm) and 3HV (1.5 ppm) monomers, thus confirming it as poly(3-hydroxybutyrate-co-3hydroxyvalerate) or P(3HB-co-3HV). The thermal features of extracted P(3HB-co-3HV) such as low melting temperature (T m ) and low % crystallinity (%Xc) are industrially more significant. Ochrobactrum ciceri strain AWIS01 was found to be the most efficient organism, showing 0.720 g/L P(3HB-co-3HV) production while degrading 90.06% TPH when 1% oily sludge was provided as the sole source of carbon. In the future, such bacteria can be used to produce bioplastic polymer from oily sludge.

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Section: Introductionmentioning

confidence: 99%