IDEAS home Printed from https://ideas.repec.org/a/gam/jijerp/v17y2020i11p4059-d368213.html
   My bibliography  Save this article

Sorption Mechanism and Optimization Study for the Bioremediation of Pb(II) and Cd(II) Contamination by Two Novel Isolated Strains Q3 and Q5 of Bacillus sp

Author

Listed:
  • Parviz Heidari

    (Faculty of Agriculture, Shahrood University of Technology, Shahrood 3619995161, Iran)

  • Antonio Panico

    (Telematic University Pegaso, Piazza Trieste e Trento 48, 80132 Naples, Italy)

Abstract

The use of bacterial strains as agents in bioremediation processes could reduce the harmfulness of potential toxic elements (PTEs) from water and soil with low or even no impact on the natural ecosystems. In this study, two new metal resistant-bacterial strains (Q3 and Q5) of Bacillus sp. were isolated from a sulfurous spring and their potential (as pure cultures or mixed) to remove Pb(II) and Cd(II) from an aqueous matrix was evaluated and optimized using response surface methodology (RSM). The optimal conditions for Cd(II) removal from all tested strains combinations were observed at an initial pH 5, a temperature of 38 °C, and an initial Cd(II) concentration of 50 mg L −1 , while the performance of bacterial strains on Pb(II) removal was strongly correlated to initial pH and temperature conditions. Moreover, the efficiency of bacterial strains in removing both PTEs, Pb(II) and Cd(II), from an aqueous matrix was considerably higher when they were used as a mixed culture rather than pure. According to field emission SEM (FESEM) and EDS analysis, the two bacterial strains showed different mechanisms in removing Cd(II): Bacillus sp. Q5 bio-accumulated Cd(II) in its periplasmic space, whereas Bacillus sp. Q3 bio-accumulated Cd(II) on its cell surface. On the other hand, Pb(II) is removed by chemical precipitation (lead sulfide) induced by both Bacillus sp. Q3 and Q5. This study discloses new aspects of Pb(II) and Cd(II) bioremediation mechanisms in Bacillus species that can be extremely useful for designing and operating novel PTEs bioremediation processes.

Suggested Citation

  • Parviz Heidari & Antonio Panico, 2020. "Sorption Mechanism and Optimization Study for the Bioremediation of Pb(II) and Cd(II) Contamination by Two Novel Isolated Strains Q3 and Q5 of Bacillus sp," IJERPH, MDPI, vol. 17(11), pages 1-20, June.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:11:p:4059-:d:368213
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1660-4601/17/11/4059/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/1660-4601/17/11/4059/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Marco Race & Alberto Ferraro & Massimiliano Fabbricino & Agostino La Marca & Antonio Panico & Danilo Spasiano & Alice Tognacchini & Francesco Pirozzi, 2018. "Ethylenediamine- N , N ′-Disuccinic Acid (EDDS)—Enhanced Flushing Optimization for Contaminated Agricultural Soil Remediation and Assessment of Prospective Cu and Zn Transport," IJERPH, MDPI, vol. 15(3), pages 1-13, March.
    2. Massimiliano Fabbricino & Alberto Ferraro & Vincenzo Luongo & Ludovico Pontoni & Marco Race, 2018. "Soil Washing Optimization, Recycling of the Solution, and Ecotoxicity Assessment for the Remediation of Pb-Contaminated Sites Using EDDS," Sustainability, MDPI, vol. 10(3), pages 1-12, February.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Monika Wróbel & Wojciech Śliwakowski & Paweł Kowalczyk & Karol Kramkowski & Jakub Dobrzyński, 2023. "Bioremediation of Heavy Metals by the Genus Bacillus," IJERPH, MDPI, vol. 20(6), pages 1-17, March.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Mariusz Z. Gusiatin & Sylwia Pasieczna-Patkowska & Magdaléna Bálintová & Marcin Kuśmierz, 2023. "Treatment of Wastewater from Soil Washing with Soluble Humic Substances Using Biochars and Activated Carbon," Energies, MDPI, vol. 16(11), pages 1-31, May.
    2. Yan Ma & Zhenhai Liu & Yanqiu Xu & Shengkun Zhou & Yi Wu & Jin Wang & Zhanbin Huang & Yi Shi, 2018. "Remediating Potentially Toxic Metal and Organic Co-Contamination of Soil by Combining In Situ Solidification/Stabilization and Chemical Oxidation: Efficacy, Mechanism, and Evaluation," IJERPH, MDPI, vol. 15(11), pages 1-19, November.
    3. Marco Race & Alberto Ferraro & Massimiliano Fabbricino & Agostino La Marca & Antonio Panico & Danilo Spasiano & Alice Tognacchini & Francesco Pirozzi, 2018. "Ethylenediamine- N , N ′-Disuccinic Acid (EDDS)—Enhanced Flushing Optimization for Contaminated Agricultural Soil Remediation and Assessment of Prospective Cu and Zn Transport," IJERPH, MDPI, vol. 15(3), pages 1-13, March.
    4. Jinfeng Wang & Xiaoyong Bai & Fang Liu & Jian Zhang & Fei Chen & Qian Lu, 2019. "Enrichments of Cadmium and Arsenic and Their Effects on the Karst Forest Area," IJERPH, MDPI, vol. 16(23), pages 1-13, November.
    5. Angela Gorgoglione & Fabián A. Bombardelli & Bruno J. L. Pitton & Lorence R. Oki & Darren L. Haver & Thomas M. Young, 2018. "Role of Sediments in Insecticide Runoff from Urban Surfaces: Analysis and Modeling," IJERPH, MDPI, vol. 15(7), pages 1-15, July.
    6. Ya Wang & Chengqiao Shi & Kang Lv & Youqing Li & Jinjin Cheng & Xiaolong Chen & Xianwen Fang & Xiangyang Yu, 2019. "Genotypic Variation in Nickel Accumulation and Translocation and Its Relationships with Silicon, Phosphorus, Iron, and Manganese among 72 Major Rice Cultivars from Jiangsu Province, China," IJERPH, MDPI, vol. 16(18), pages 1-15, September.
    7. Yuanyuan Shen & Yu Ji & Chunrong Li & Pingping Luo & Wenke Wang & Yuan Zhang & Daniel Nover, 2018. "Effects of Phytoremediation Treatment on Bacterial Community Structure and Diversity in Different Petroleum-Contaminated Soils," IJERPH, MDPI, vol. 15(10), pages 1-17, October.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jijerp:v:17:y:2020:i:11:p:4059-:d:368213. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.