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Assessing the Efficiency of Green Absorbent in Treating Nutrients and Heavy Metal in Wastewater

This study is aimed to determine the performances of zeolite-water hyacinth ash (WHA)-clay (ZWC) pellets on removing nutrients (nitrogen (N) and phosphorus (P)) and heavy metal (HM). In this study, the adsorption experiments were conducted for various pellet compositions and sizes, the application o...

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Main Authors: Chow M.F., Bahruddin A.S., Chua K.H.
Other Authors: 57214146115
Format: Article
Published: Multidisciplinary Digital Publishing Institute (MDPI) 2024
Subjects:
nitrogen
phosphorus
wastewater treatment
water hyacinth
zeolite
adsorption
aquatic plant
heavy metal
optimization
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id my.uniten.dspace-34129
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spelling my.uniten.dspace-341292024-10-14T11:18:05Z Assessing the Efficiency of Green Absorbent in Treating Nutrients and Heavy Metal in Wastewater Chow M.F. Bahruddin A.S. Chua K.H. 57214146115 57205236410 36926581400 nitrogen phosphorus wastewater treatment water hyacinth zeolite adsorption aquatic plant heavy metal nitrogen optimization phosphorus wastewater treatment zeolite This study is aimed to determine the performances of zeolite-water hyacinth ash (WHA)-clay (ZWC) pellets on removing nutrients (nitrogen (N) and phosphorus (P)) and heavy metal (HM). In this study, the adsorption experiments were conducted for various pellet compositions and sizes, the application of pre-treatment on pellets, and tested with different concentrations of synthetic wastewater. The results identified that the maximum removal capacities of ZWC pellet were 0.112 mg/g, 0.08 mg/g, 0.171 mg/g, and 0.151 mg/g for phosphate (PO4), total phosphorus (TP), nitrate-nitrogen (NO3), and total nitrogen (TN), respectively. The optimization experiment indicated that smaller pellet sizes and those treated with calcium hydroxide solution exhibited better N&P and HM removal performances. The optimized ZWC pellet was able to remove up to 90%, 86%, 94%, 90%, 84%, 86%, and 91% for PO4, TP, NO3, TN, zinc (Zn), copper (Cu), and lead (Pb), respectively, after 3 h of contact time. The ZWC pellet proved that it can be used as an effective adsorbent for wastewater treatment. � 2023 by the authors. Final 2024-10-14T03:18:04Z 2024-10-14T03:18:04Z 2023 Article 10.3390/su151612257 2-s2.0-85169144220 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85169144220&doi=10.3390%2fsu151612257&partnerID=40&md5=8f2cfd382fe10be07196c6248c5d918a https://irepository.uniten.edu.my/handle/123456789/34129 15 16 12257 All Open Access Gold Open Access Multidisciplinary Digital Publishing Institute (MDPI) Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
topic nitrogen
phosphorus
wastewater treatment
water hyacinth
zeolite
adsorption
aquatic plant
heavy metal
nitrogen
optimization
phosphorus
wastewater treatment
zeolite
spellingShingle nitrogen
phosphorus
wastewater treatment
water hyacinth
zeolite
adsorption
aquatic plant
heavy metal
nitrogen
optimization
phosphorus
wastewater treatment
zeolite
Chow M.F.
Bahruddin A.S.
Chua K.H.
Assessing the Efficiency of Green Absorbent in Treating Nutrients and Heavy Metal in Wastewater
description This study is aimed to determine the performances of zeolite-water hyacinth ash (WHA)-clay (ZWC) pellets on removing nutrients (nitrogen (N) and phosphorus (P)) and heavy metal (HM). In this study, the adsorption experiments were conducted for various pellet compositions and sizes, the application of pre-treatment on pellets, and tested with different concentrations of synthetic wastewater. The results identified that the maximum removal capacities of ZWC pellet were 0.112 mg/g, 0.08 mg/g, 0.171 mg/g, and 0.151 mg/g for phosphate (PO4), total phosphorus (TP), nitrate-nitrogen (NO3), and total nitrogen (TN), respectively. The optimization experiment indicated that smaller pellet sizes and those treated with calcium hydroxide solution exhibited better N&P and HM removal performances. The optimized ZWC pellet was able to remove up to 90%, 86%, 94%, 90%, 84%, 86%, and 91% for PO4, TP, NO3, TN, zinc (Zn), copper (Cu), and lead (Pb), respectively, after 3 h of contact time. The ZWC pellet proved that it can be used as an effective adsorbent for wastewater treatment. � 2023 by the authors.
author2 57214146115
author_facet 57214146115
Chow M.F.
Bahruddin A.S.
Chua K.H.
format Article
author Chow M.F.
Bahruddin A.S.
Chua K.H.
author_sort Chow M.F.
title Assessing the Efficiency of Green Absorbent in Treating Nutrients and Heavy Metal in Wastewater
title_short Assessing the Efficiency of Green Absorbent in Treating Nutrients and Heavy Metal in Wastewater
title_full Assessing the Efficiency of Green Absorbent in Treating Nutrients and Heavy Metal in Wastewater
title_fullStr Assessing the Efficiency of Green Absorbent in Treating Nutrients and Heavy Metal in Wastewater
title_full_unstemmed Assessing the Efficiency of Green Absorbent in Treating Nutrients and Heavy Metal in Wastewater
title_sort assessing the efficiency of green absorbent in treating nutrients and heavy metal in wastewater
publisher Multidisciplinary Digital Publishing Institute (MDPI)
publishDate 2024
_version_ 1814061105770659840
score 13.222552

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