Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies

Şimşek, Selçuk; Hasdemir, Zeynep Mine

doi:10.18596/jotcsa. 634590

Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies

Zeynep Mine ŞENOL, (Cumhuriyet Üniversitesi, Zara Meslek Yüksekokulu, Gıda Teknolojisi Bölümü, 58140 Sivas, Türkiye)

Selçuk ŞİMŞEK (Cumhuriyet Üniversitesi, Fen Fakültesi, Kimya Bölümü, 58140 Sivas, Türkiye)

Journal of the Turkish Chemical Society, Section A: Chemistry

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Yıl: 2020 Cilt: 7 Sayı: 1 Sayfa Aralığı: 307 - 318 Metin Dili: İngilizce DOI: 10.18596/jotcsa. 634590 İndeks Tarihi: 23-02-2021

Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies

Öz:

In this study, a novel, low-cost, natural, and highly effective adsorbent, chitosan (Ch) -diatomite (D) composite was synthesized. Ch-D composite was tested as an effective and alternativeadsorbent for the removal of Pb2+ ions. The Ch-D composite was characterized by FT-IR, SEM-EDX andPZC analyses. The adsorption process of Pb2+ ions onto Ch-D as initial lead concentration, solution pH,temperature, contact time and recovery was investigated. From the adsorption process results, it hasbeen observed that the highest removal efficiency is approximately 95% at a contact time of 4-hour,initial Pb2+ concentration of 500 mg L-1 and agitation speed of 150 rpm at natural pH 4.0. The maximumPb2+ adsorption capacity from the Langmuir model was found as 0.154 mol kg-1 at 25 oC. Besides,adsorption kinetics was also explained with pseudo-first-order models. Adsorption thermodynamics haveshown that Pb2+ adsorption onto Ch-D is possible, spontaneous and exothermic. Ch-D composite canbecome an alternative adsorbent for the treatment of lead ions in the wastewater.

Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	Hasdemir Z, Şimşek S (2020). Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. , 307 - 318. 10.18596/jotcsa. 634590
Chicago	Hasdemir Zeynep Mine,Şimşek Selçuk Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. (2020): 307 - 318. 10.18596/jotcsa. 634590
MLA	Hasdemir Zeynep Mine,Şimşek Selçuk Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. , 2020, ss.307 - 318. 10.18596/jotcsa. 634590
AMA	Hasdemir Z,Şimşek S Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. . 2020; 307 - 318. 10.18596/jotcsa. 634590
Vancouver	Hasdemir Z,Şimşek S Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. . 2020; 307 - 318. 10.18596/jotcsa. 634590
IEEE	Hasdemir Z,Şimşek S "Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies." , ss.307 - 318, 2020. 10.18596/jotcsa. 634590
ISNAD	Hasdemir, Zeynep Mine - Şimşek, Selçuk. "Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies". (2020), 307-318. https://doi.org/10.18596/jotcsa. 634590

APA	Hasdemir Z, Şimşek S (2020). Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. Journal of the Turkish Chemical Society, Section A: Chemistry, 7(1), 307 - 318. 10.18596/jotcsa. 634590
Chicago	Hasdemir Zeynep Mine,Şimşek Selçuk Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. Journal of the Turkish Chemical Society, Section A: Chemistry 7, no.1 (2020): 307 - 318. 10.18596/jotcsa. 634590
MLA	Hasdemir Zeynep Mine,Şimşek Selçuk Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. Journal of the Turkish Chemical Society, Section A: Chemistry, vol.7, no.1, 2020, ss.307 - 318. 10.18596/jotcsa. 634590
AMA	Hasdemir Z,Şimşek S Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. Journal of the Turkish Chemical Society, Section A: Chemistry. 2020; 7(1): 307 - 318. 10.18596/jotcsa. 634590
Vancouver	Hasdemir Z,Şimşek S Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies. Journal of the Turkish Chemical Society, Section A: Chemistry. 2020; 7(1): 307 - 318. 10.18596/jotcsa. 634590
IEEE	Hasdemir Z,Şimşek S "Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies." Journal of the Turkish Chemical Society, Section A: Chemistry, 7, ss.307 - 318, 2020. 10.18596/jotcsa. 634590
ISNAD	Hasdemir, Zeynep Mine - Şimşek, Selçuk. "Removal of Pb2+ Ions from Aqueous Medium by Using ChitosanDiatomite Composite: Equilibrium, Kinetic, and Thermodynamic Studies". Journal of the Turkish Chemical Society, Section A: Chemistry 7/1 (2020), 307-318. https://doi.org/10.18596/jotcsa. 634590