Estudios cinéticos de microorganismos marinos psicrotolerantes capaces de degradar diésel en presencia de metales pesados

Translated title of the contribution: Kinetic studies of marine psychrotolerant microorganisms capable of degrading diesel in the presence of heavy metals

N. N. Zakaria, A. F.A. Roslee, C. Gomez-Fuentes, A. Zulkharnain, M. Abdulrasheed, S. Sabri, N. Ramírez-Moreno, N. Calisto-Ulloa, S. A. Ahmad

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The presence of heavy metals in Antarctica is an emerging issue as human influence becomes more discernible over the years. The study of pollution in Antarctica can help people to understand the real influence of human activities on the environmental pollution from polar regions. Bioremediation of petroleum hydrocarbons in the polar environment where toxic metals co-existed involves selecting strictly autochthonous Antarctic strains with dual catabolic competence and tolerance to toxic metals. In this study, diesel degradation was observed in the presence of 1 ppm of eight selected heavy metals; Ag, Al, Cd, Co, Cr, Hg, Ni and Zn. Bacterial growth was inhibited in increasing order of Zn> Cr> Cd> Al> Ni> Hg> Co> Ag. Bacterial growth was the highest in Zn at OD600 0.556 (P>0.05) and lowest in Ag at OD600 0.151 (P 0.05). Diesel degradation was inhibited in the order of Co Ni Cd Ag> Zn> Al> Cr> Hg, which was analysed using gravimetry analysis. Degradation was the highest in Hg at 52.23% (P>0.05) and lowest in Co at 22.76% (P0.05). This work serves as a pilot study in gathering data to analyse and gather more data for inhibition concentration of heavy metals for the Antarctic marine bacteria.

Translated title of the contributionKinetic studies of marine psychrotolerant microorganisms capable of degrading diesel in the presence of heavy metals
Original languageSpanish
Pages (from-to)1375-1388
Number of pages14
JournalRevista Mexicana de Ingeniera Qumica
Volume19
Issue number3
DOIs
Publication statusPublished - 2020 Sep 1

Keywords

  • Antarctica
  • Bacteria
  • Diesel
  • Heavy metal
  • Marine

ASJC Scopus subject areas

  • Chemical Engineering(all)

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    Zakaria, N. N., Roslee, A. F. A., Gomez-Fuentes, C., Zulkharnain, A., Abdulrasheed, M., Sabri, S., Ramírez-Moreno, N., Calisto-Ulloa, N., & Ahmad, S. A. (2020). Estudios cinéticos de microorganismos marinos psicrotolerantes capaces de degradar diésel en presencia de metales pesados. Revista Mexicana de Ingeniera Qumica, 19(3), 1375-1388. https://doi.org/10.24275/rmiq/Bio1072