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Physical Chemistry Research، جلد ۱۱، شماره ۴، صفحات ۸۵۳-۸۶۴
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عنوان انگلیسی Removal of Formaldehyde from Aqueous Solution Using Low-cost and Reusable Adsorbents
چکیده انگلیسی مقاله In this paper, activated carbon (AC) was utilized to eliminate formaldehyde from synthetic sewage. To this end, three kinds of activated carbon were utilized including commercial AC (CAC), AC derived from walnut shell (ACWS), and AC derived from lotus leaves (ACLL). Also, the influence of sorption time, formaldehyde concentration, and adsorbent dose on formaldehyde removal was investigated. The surface properties of the adsorbents were determined by SEM, FTIR and BET analyses. The outcomes showed that CAC has a higher specific surface area (978.4 m2/g) than other adsorbents. Also, the highest adsorption efficiency of formaldehyde using CAC, ACWS, and ACLL adsorbents was 99.2%, 88.2%, and 54%, respectively, indicating significant adsorption capacity of CAC compared to other adsorbents. Also, the Langmuir isotherm model was fitted better with the laboratory data due to the higher R2 compared to the Freundlich model. Moreover, the experimental data follows the pseudo-second order kinetic model. What is more, the utmost adsorption capacity of formaldehyde was 48.5 mg/g. The reusability of adsorbents displayed that CAC has a remarkable recyclability and can be utilized in seven cycles with high sorption efficiency (>90%).
کلیدواژه‌های انگلیسی مقاله Activated carbon,Formaldehyde,Adsorption,Wastewater,Recyclability
نویسندگان مقاله Ria Margiana |
Department of Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia

Reena Solanki |
Ph.D. Scholar Research, Scholar Department of Chemistry, Dr. A.P.J. Abdul Kalam University Indore India

Yu-Chih Lin |
International College, Krirk University, Bangkok, 3 Ram Inthra Rd, Khwaeng Anusawari, Khet Bang Khen, Krung Thep Maha Nakhon, 10220, Thailand

Usama S. Altimari |
Al-Nisour University College/Baghdad/Iraq

Yasir S. Alnassar |
The University of Mashreq/ Baghdad/ Iraq

Borhan Mustafa Mohammed |
Engineering department, Mazaya University College, Dhi Qar, Iraq

Anfal Ismael Ibrahim |
Department of biomedialc engineering/ Ashur University College/Baghdad/ Iraq

Marwah A. Shams |
Technical Engineering College, Al-Ayen University, Thi-Qar, Iraq

Surendar Aravindhan |
Department of Pharmacology, saveetha dental College and hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, india

Hamzah H. Kzar |
Department of Chemistry, College of Veterinary Medicine, Al-Qasim Green University, Al-Qasim, Iraq

Moaed E. Al-Gazally |
College of medicine, University of Al-Ameed, Karbala, Iraq

Yasser Fakri Mustafa |
Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul-41001, Iraq

نشانی اینترنتی https://www.physchemres.org/article_164549_a4edcb09d1273e6aca9c44592df4d245.pdf
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