Heavy Metals Removal from Simulated Wastewater using Horizontal Subsurface Constructed Wetland

• Autorzy: M-Ridha Mohanad J. , Zeki Suhair L. , Mohammed Sabah J. , Abed Khalid M. , Hasan Hassimi Abu

Identyfikatory

DOI

10.12911/22998993/138869

• Języki publikacji: EN

Abstrakty

EN

This study aimed to assess the efficiency of Nerium oleander in removing three different metals (Cd, Cu, and Ni) from simulated wastewater using horizontal subsurface flow constructed wetland (HSSF-CW) system. The HSSF-CW pilot scale was operated at two hydraulic retention times (HRTs) of 4 and 7 days, filled with a substrate layer of sand and gravel. The results indicated that the HSSF-CW had high removal efficiency of Cd and Cu. A higher HRT (7 days) resulted in greater removal efficiency reaching up to (99.3% Cd, 99.5% Cu, 86.3% Ni) compared to 4 days. The substrate played a significant role in removal of metals due to adsorption and precipitation. The N. oleander plant also showed a good tolerance to the uptake of Cd, Cu, and Ni ions from water. The highest removal of the heavy metals indicated that the HSSF-CW would be a promising technology for heavy metal contaminated wastewater as well as in electroplating and manufacturing industries.

Słowa kluczowe

EN

heavy metal removal; phytoremediation; horizontal subsurface constructed wetland; Nerium oleander; waste treatment

• Wydawca: Polskie Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology
• Czasopismo: Journal of Ecological Engineering
• Rocznik: 2021
• Tom: Vol. 22, nr 8
• Strony: 243--250
• Opis fizyczny: Bibliogr. 14 poz., rys., tab.

Twórcy

autor

M-Ridha Mohanad J.

• Department of Environmental Engineering, College of Engineering, University of Baghdad, Iraq

autor

Zeki Suhair L.

• Department of Environmental Engineering, College of Engineering, University of Baghdad, Iraq

autor

Mohammed Sabah J.

• Department of Environmental Engineering, College of Engineering, University of Baghdad, Iraq

autor

Abed Khalid M.

• Department of Chemical Engineering, College of Engineering, University of Baghdad, Iraq
• Department of Chemical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia

autor

Hasan Hassimi Abu

• Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
• Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

• https://orcid.org/0000-0002-2177-5257

Bibliografia

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