LAPSE:2021.0076
Published Article
LAPSE:2021.0076
In Vitro Bioadsorption of Cd2+ Ions: Adsorption Isotherms, Mechanism, and an Insight to Mycoremediation
Raman Kumar, Priyanka Sharma, Ahmad Umar, Rajeev Kumar, Namita Singh, P. K. Joshi, Fahad A. Alharthi, Abdulaziz Ali Alghamdi, Nabil Al-Zaqri
February 22, 2021
The objective of this paper is to establish the significance of the mycoremediation of contaminants such as Cd2+ to achieve sustainable and eco-friendly remediation methods. Industries such as electroplating, paint, leather tanning, etc. release an enormous amount of Cd2+ in wastewater, which can drastically affect our flora and fauna. Herein, we report on the in vitro bioadsorption of Cd2+ ions using fungal isolates obtained from different contaminated industrial sites. The detailed studies revealed that two fungal species, i.e., Trichoderma fasciculatum and Trichoderma longibrachiatum, were found to be most effective against the removal of Cd2+ when screened for Cd2+ tolerance on potato dextrose agar (PDA) in different concentrations. Detailed adsorption studies were conducted by exploring various experimental factors such as incubation time, temperature, pH, inoculum size, and Cd2+ salt concentrations. Based on optimum experimental conditions, T. fasciculatum exhibited approximately 67.10% removal, while T. longibrachiatum shows 76.25% removal of Cd2+ ions at pH 5.0, 120 h incubation time, at 30°C. The inoculum sizes for T. fasciculatum and T. longibrachiatum were 2.5% and 2.0%, respectively. Finally, the morphological changes due to Cd2+ accumulation were examined using scanning electron microscopy (SEM). Further, Fourier transform infrared spectroscopy (FTIR) spectroscopy reveals the presence of various functional groups (-CH, −C=O, NH and −OH), which seem to be responsible for the efficient binding of Cd2+ ions over the fungal surfaces.
Keywords
bioadsorption, bioadsorption mechanism, cadmium, heavy metals, isotherms, mycoremediation, T. fasciculatum, T. longibrachiatum
Suggested Citation
Kumar R, Sharma P, Umar A, Kumar R, Singh N, Joshi PK, A. Alharthi F, Ali Alghamdi A, Al-Zaqri N. In Vitro Bioadsorption of Cd2+ Ions: Adsorption Isotherms, Mechanism, and an Insight to Mycoremediation. (2021). LAPSE:2021.0076
Author Affiliations
Kumar R: Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana (Ambala), Haryana 133207, India
Sharma P: Department of Environment Studies, Panjab University, Chandigarh 160014, India
Umar A: Department of Chemistry, Faculty of Science and Arts, Najran University, Najran 11001, Saudi Arabia; Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Saudi Arabia
Kumar R: Department of Environment Studies, Panjab University, Chandigarh 160014, India
Singh N: Department of Bio and Nano Technology Guru Jambheshwar University of Science and Technology, Hisar 125001, India [ORCID]
Joshi PK: Division of Soil and Crop Management, Central Soil Salinity Research Institute, Karnal 132001 India; Department of Agri-Business Management, Maharishi Markandeshwar (Deemed to be University), Mullana (Ambala), Haryana 133207, India
A. Alharthi F: Department of Chemistry, College of Science, King Saud University, P.O. Box 2445, Riyadh 11451, Saudi Arabia
Ali Alghamdi A: Department of Chemistry, College of Science, King Saud University, P.O. Box 2445, Riyadh 11451, Saudi Arabia
Al-Zaqri N: Department of Chemistry, College of Science, King Saud University, P.O. Box 2445, Riyadh 11451, Saudi Arabia [ORCID]
Journal Name
Processes
Volume
8
Issue
9
Article Number
E1085
Year
2020
Publication Date
2020-09-02
Published Version
ISSN
2227-9717
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Original Submission
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PII: pr8091085, Publication Type: Journal Article
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LAPSE:2021.0076
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doi:10.3390/pr8091085
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Feb 22, 2021
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Calvin Tsay
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