Removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology

The removal of Cd (II) ions by rice husk biochar as adsorbent was evaluated through batch study. Activated biochar was prepared using the physicochemical activation method. Preparation was consisting of pre-impregnation of NaOH and nitrogen (N2) pyrolysis. The Influence of preparation parameters whi...

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Main Authors: Ameen Hezam Saeed, A., Yub Harun, N., Mahmoud Nasef, M., Al-Fakih, A., Abdulhakim Saeed Ghaleb, A., Kolawole Afolabi, H.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.23800 /
Published: Ain Shams University 2021
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85110140337&doi=10.1016%2fj.asej.2021.06.002&partnerID=40&md5=d2f6f2728660f5a9b2aa659ab0770254
http://eprints.utp.edu.my/23800/
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spelling utp-eprints.238002021-08-19T13:09:52Z Removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology Ameen Hezam Saeed, A. Yub Harun, N. Mahmoud Nasef, M. Al-Fakih, A. Abdulhakim Saeed Ghaleb, A. Kolawole Afolabi, H. The removal of Cd (II) ions by rice husk biochar as adsorbent was evaluated through batch study. Activated biochar was prepared using the physicochemical activation method. Preparation was consisting of pre-impregnation of NaOH and nitrogen (N2) pyrolysis. The Influence of preparation parameters which were chemical impregnation (NaOH: RH), pyrolysis temperature, and pyrolysis time on biochar yield, cadmium removal rate, and adsorption capacity on cadmium ions was investigated. A quadratic model for correlating biochar preparation variables with biochar production, cadmium removal rate, and adsorption capability was built according to central composite design (CCD). The experimental results revealed that pyrolysis temperature and heating time are important factors that affect the yield of biochar and positively affect Cadmium's removal rate and adsorption capacity. The impregnation ratio positively impacted Cadmium removal and adsorption capacity, and it did not affect biochar yield. The optimal biochar was obtained using 458 �C temperature, 120 min reaction time, and 3 NaOH impregnation ratio, resulting in 34.5 of biochar yield, 72 of cadmium removal, and 17.8 mg/g of adsorption capacity on Cadmium. © 2021 THE AUTHORS Ain Shams University 2021 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85110140337&doi=10.1016%2fj.asej.2021.06.002&partnerID=40&md5=d2f6f2728660f5a9b2aa659ab0770254 Ameen Hezam Saeed, A. and Yub Harun, N. and Mahmoud Nasef, M. and Al-Fakih, A. and Abdulhakim Saeed Ghaleb, A. and Kolawole Afolabi, H. (2021) Removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology. Ain Shams Engineering Journal . http://eprints.utp.edu.my/23800/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description The removal of Cd (II) ions by rice husk biochar as adsorbent was evaluated through batch study. Activated biochar was prepared using the physicochemical activation method. Preparation was consisting of pre-impregnation of NaOH and nitrogen (N2) pyrolysis. The Influence of preparation parameters which were chemical impregnation (NaOH: RH), pyrolysis temperature, and pyrolysis time on biochar yield, cadmium removal rate, and adsorption capacity on cadmium ions was investigated. A quadratic model for correlating biochar preparation variables with biochar production, cadmium removal rate, and adsorption capability was built according to central composite design (CCD). The experimental results revealed that pyrolysis temperature and heating time are important factors that affect the yield of biochar and positively affect Cadmium's removal rate and adsorption capacity. The impregnation ratio positively impacted Cadmium removal and adsorption capacity, and it did not affect biochar yield. The optimal biochar was obtained using 458 �C temperature, 120 min reaction time, and 3 NaOH impregnation ratio, resulting in 34.5 of biochar yield, 72 of cadmium removal, and 17.8 mg/g of adsorption capacity on Cadmium. © 2021 THE AUTHORS
format Article
author Ameen Hezam Saeed, A.
Yub Harun, N.
Mahmoud Nasef, M.
Al-Fakih, A.
Abdulhakim Saeed Ghaleb, A.
Kolawole Afolabi, H.
spellingShingle Ameen Hezam Saeed, A.
Yub Harun, N.
Mahmoud Nasef, M.
Al-Fakih, A.
Abdulhakim Saeed Ghaleb, A.
Kolawole Afolabi, H.
Removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology
author_sort Ameen Hezam Saeed, A.
title Removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology
title_short Removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology
title_full Removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology
title_fullStr Removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology
title_full_unstemmed Removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology
title_sort removal of cadmium from aqueous solution by optimized rice husk biochar using response surface methodology
publisher Ain Shams University
publishDate 2021
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85110140337&doi=10.1016%2fj.asej.2021.06.002&partnerID=40&md5=d2f6f2728660f5a9b2aa659ab0770254
http://eprints.utp.edu.my/23800/
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score 11.62408

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