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Using Biochar and Nanobiochar of Water Hyacinth and Black Tea Waste in Metals Removal from Aqueous Solutions

Author

Listed:
  • Fathy Elbehiry

    (Basic and Applied Science Department, Higher Institute for Agricultural Co-Operation, Shubra El-Kheima 13766, Egypt)

  • Marwa Darweesh

    (Department of Environmental and Biological Sciences, Home Economics Faculty, Al-Azhar University, Tanta 31732, Egypt)

  • Fathia S. Al-Anany

    (Department of Environmental and Biological Sciences, Home Economics Faculty, Al-Azhar University, Tanta 31732, Egypt)

  • Asmaa M. Khalifa

    (Food Science and Technology Department, Home Economics Faculty, Al-Azhar University, Tanta 31732, Egypt)

  • Aliaa A. Almashad

    (Food Science and Technology Department, Home Economics Faculty, Al-Azhar University, Tanta 31732, Egypt)

  • Hassan El-Ramady

    (Soil and Water Department, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt)

  • Antar El-Banna

    (Department of Genetics, Faculty of Agriculture, Kafrelsheikh University Kafr, El-Sheikh 33516, Egypt)

  • Vishnu D. Rajput

    (Academy of Biology and Biotechnology, Southern Federal University, 344090 Rostov-on-Don, Russia)

  • Hanuman Singh Jatav

    (Soil Science and Agricultural Chemistry, Sri Karan Narendra Agriculture University, Jaipur 303329, India)

  • Heba Elbasiouny

    (Department of Environmental and Biological Sciences, Home Economics Faculty, Al-Azhar University, Tanta 31732, Egypt)

Abstract

The treatment of heavy metal-contaminated water is challenging. The use of nanomaterials from many environmental wastes is promising for removing metals and contaminants from aqueous solutions. This study is novel in using nanobiochar of water hyacinth (WH) and black tea waste (TW) as a promising approach to water decontamination owing to its unique properties that play an effective role in metal adsorption. The mono- and multi-adsorption systems of cadmium (Cd), chromium (Cr), and nickel (Ni) on biochar and nanobiochar of water hyacinths (BWH and NBWH) and black tea waste (BTW and NBTW) were investigated in this study as potential low-cost and environmentally friendly absorbents for the removal of previously mentioned heavy metals (HMs) from aqueous solutions. The WH and TW were collected from the locality, prepared, and kept until used in the experiment. Nanobiochar was prepared by grinding, characterizing, and storing in airtight containers until used. A batch experiment was designed in mono- and competitive systems to study the adsorption equilibrium behavior of HMs on biochar and nanobiochars. The Freundlich and Langmuir isotherm models were fitted to the mono- and competitive-adsorption equilibrium results. The Freundlich isotherm model provided a better fit. Furthermore, it was noticed that NBWH and NBWT efficiently removed the Cd in the mono-system by ≥99.8, especially in the smaller concentration, while NBWT and BTW removed ≥99.8 and 99.7% in the competitive system, respectively. In the mono- and competitive systems, the nanobiochars of NBTW removed more than 98.8 of Cr. The sorbents were less efficient in Ni removal compared to Cd and Cr. However, their effectiveness was very high also. The results revealed that Cd was the highest metal removed by sorbents, nanobiochars were better than biochars to remove the HMs, and the results also indicated that co-occurrence of multi-metals might fully occupy the adsorption sites on biochars and nanobiochars.

Suggested Citation

  • Fathy Elbehiry & Marwa Darweesh & Fathia S. Al-Anany & Asmaa M. Khalifa & Aliaa A. Almashad & Hassan El-Ramady & Antar El-Banna & Vishnu D. Rajput & Hanuman Singh Jatav & Heba Elbasiouny, 2022. "Using Biochar and Nanobiochar of Water Hyacinth and Black Tea Waste in Metals Removal from Aqueous Solutions," Sustainability, MDPI, vol. 14(16), pages 1-18, August.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:16:p:10118-:d:888776
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    Citations

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    Cited by:

    1. Asep Bayu Dani Nandiyanto & Risti Ragadhita & Siti Nur Hofifah & Dwi Fitria Al Husaeni & Dwi Novia Al Husaeni & Meli Fiandini & Senny Luckiardi & Eddy Soeryanto Soegoto & Arif Darmawan & Muhammad Aziz, 2024. "Progress in the utilization of water hyacinth as effective biomass material," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 26(10), pages 24521-24568, October.

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