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Biodegradation of Hexavalent Chromium from Paint Industry Effluent by Indigenous Bacteria

Author

Listed:
  • Tofa Begum

    (Institute of Radiation and Polymer Technology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh Institute of Food and Radiation Biology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh)

  • Md. Imranul Hoq

    (Department of Microbiology, University of Chittagong, Chittagong, Bangladesh)

  • Md. Zahidul Haque Bulbul

    (Department of Microbiology, University of Chittagong, Chittagong, Bangladesh)

  • Jumana Mahmud

    (Institute of Radiation and Polymer Technology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh Department of Microbiology, University of Chittagong, Chittagong, Bangladesh)

  • Md. K. Pramanik

    (Institute of Food and Radiation Biology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh)

  • Md. Abu Hena Mostofa Kamal

    (Institute of Radiation and Polymer Technology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh)

  • Md. Naimul Islam

    (Institute of Radiation and Polymer Technology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh)

  • Ruhul A. Khan*

    (Institute of Radiation and Polymer Technology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh)

Abstract

Hexavalent chromium (Cr-VI) is toxic, mutagenic and carcinogenic chemical, whereas its reduced trivalent form (Cr-III) is much less toxic. Cr-VI is widely used in paint industry, tannery industry, and so on. In the present study an attempt was made to isolate naturally occurring bacteria from paint industry effluent possessing high potentiality to reduce Cr-VI. Seven efficient chromium reducing bacterial strains were isolated as Bacillus korlensis, Bacillus subtilis, Bacillus cereus, Micrococcus luteus, Micrococcus varians, Enterobacter intermedius and Tatumella terrea. These bacteria reduced chromium in culture media at maximum 5 mM concentration within a period of 24–72 h as determined by 1, 5-diphenylcarbazide (DPC) colorimetric method. However, significant Cr-VI reduction or biodegradation was observed at 1.25 mM substrate concentration within 24 h at 37°C. The research was very promising for development of a microbiological process to be used in the removal of toxic hexavalent chromium from the environment.

Suggested Citation

  • Tofa Begum & Md. Imranul Hoq & Md. Zahidul Haque Bulbul & Jumana Mahmud & Md. K. Pramanik & Md. Abu Hena Mostofa Kamal & Md. Naimul Islam & Ruhul A. Khan*, 2019. "Biodegradation of Hexavalent Chromium from Paint Industry Effluent by Indigenous Bacteria," Scientific Review, Academic Research Publishing Group, vol. 5(2), pages 45-52, 02-2019.
    • Handle: RePEc:arp:srarsr:2019:p:45-52
    DOI: 10.32861/sr.52.45.52
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