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<p>The study investigated the microbial remediation capabilities of different fungal and microalgal strains in removing heavy metals such as mercury, nickel, and copper from synthetic media. The fungal samples included <i>Aspergillus niger</i>, <i>Candida albicans</i>, <i>Fusarium begonia</i>, <i>Cladosporium</i> spp., and microalgal strains were <i>Chlorella</i> sp., <i>Oscillatoria</i> sp., <i>Anthospira</i> sp., and <i>Scenedesmus</i> sp. during 16-days of treatment, the fungal remediation efficiency were <i>Aspergillus niger</i> &gt; <i>Candida albicans</i> &gt; <i>Fusarium begonia</i> &gt; <i>Cladophorium</i> spp. while microalgal order were: <i>Chlorella</i> sp. &gt; <i>Oscillatoria</i> sp. &gt; <i>Anthospira</i> sp. &gt; <i>Scenedesmus</i> sp.. <i>Chlorella</i> sp. and <i>Aspergillus niger</i> showed the most efficient form of strains in reduction of heavy metals. The results showed that all strains had higher removal efficiencies at lower metal concentrations of 5mg/L for all applied heavy metals, microalgal strains (<i>Chlorella</i> sp., <i>Oscillatoria</i> sp., <i>Anthospira</i> sp., and <i>Scenedesmus</i> sp. mercury removal were (80, 77.4, 79 and 77.4%) and nickel were (82, 82, 82 and 80%) and copper removal were (83, 80, 82 and 78%). Additionally, fungal remediation (<i>Aspergillus niger</i>, <i>Candida albicans</i>, <i>Fusarium begonia</i>, <i>Cladophorium</i> spp.) for mercury, were (78, 76, 74, and 61) whereas, for nickel were (76.8, 76, 75.6 and 27%) and for copper were (78, 78, 76.8 and 72%) respectively.</p>

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Comparative Evaluation of Microbial Strains for the Remediation of Heavy Metals from Synthetic Media

  • 期刊论文

  • 发表日期：

    2025年7月24日

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  • Muzhda Qasim Qader,
  • Sewgil Saaduldeen Anwer,
  • Yahya Ahmed Shekha,
  • Hero Mohammad Ismael

摘要

The study investigated the microbial remediation capabilities of different fungal and microalgal strains in removing heavy metals such as mercury, nickel, and copper from synthetic media. The fungal samples included Aspergillus niger, Candida albicans, Fusarium begonia, Cladosporium spp., and microalgal strains were Chlorella sp., Oscillatoria sp., Anthospira sp., and Scenedesmus sp. during 16-days of treatment, the fungal remediation efficiency were Aspergillus niger > Candida albicans > Fusarium begonia > Cladophorium spp. while microalgal order were: Chlorella sp. > Oscillatoria sp. > Anthospira sp. > Scenedesmus sp.. Chlorella sp. and Aspergillus niger showed the most efficient form of strains in reduction of heavy metals. The results showed that all strains had higher removal efficiencies at lower metal concentrations of 5mg/L for all applied heavy metals, microalgal strains (Chlorella sp., Oscillatoria sp., Anthospira sp., and Scenedesmus sp. mercury removal were (80, 77.4, 79 and 77.4%) and nickel were (82, 82, 82 and 80%) and copper removal were (83, 80, 82 and 78%). Additionally, fungal remediation (Aspergillus niger, Candida albicans, Fusarium begonia, Cladophorium spp.) for mercury, were (78, 76, 74, and 61) whereas, for nickel were (76.8, 76, 75.6 and 27%) and for copper were (78, 78, 76.8 and 72%) respectively.