Cu(II) Giderimi için Chenopodium Botrys Türevi Aktif Karbon Kullanımı: Sürdürülebilir Bir Yaklaşım

Abstract

Bu çalışma, Chenopodium botrys'den potasyum karbonat (K2CO3) aktivasyonu ile yeni bir aktif karbon üretimine odaklanmaktadır. Hazırlanan aktif karbonun fizikokimyasal özellikleri FT-IR, EDX ve SEM teknikleri kullanılarak analiz edilmiş ve adsorpsiyon performansını artıran fonksiyonel gruplar açısından zengin bazı gözenekli yapılar doğrulanmıştır. Adsorpsiyon çalışmalarını en verimli koşullar altında yürütmek için optimum parametreler belirlendi. Adsorpsiyon kinetiği için sözde ikinci dereceden bir model, sürecin kemisorpsiyon tarafından yönlendirildiğini göstermiştir. Heterojen bir yüzey üzerinde çok katmanlı adsorpsiyon, Freundlich modelinin en iyi uyumu sunduğunu gösteren izoterm incelemeleri ile önerilmiştir. Sürecin endotermik karakteri, sıcaklıkla birlikte adsorpsiyon kapasitesindeki artışla da desteklenmiştir. Bu sonuçlar, Chenopodium botrys türevi aktif karbonun kirlenmiş su kaynaklarından Cu(II) giderimi için uygun maliyetli ve çevre dostu bir malzeme olma potansiyeline sahip olduğunu göstermektedir.

Keywords

• Adsorpsiyon
• Aktif karbon
• Chenopodium botrys
• Cu(II)
• Ağır metal

Cu(II) Adsorption from Aqueous Solution Using K2CO3-Activated Carbon Derived from Chenopodium botrys: A Sustainable Approach

Abstract

This study focuses on the manufacture of a new activated carbon from Chenopodium botrys by potassium carbonate (K2CO3) activation. The physicochemical characteristics of the prepared activated carbon were analyzed using FT-IR, EDX, and SEM techniques, confirming some porous structure rich in functional groups that enhance adsorption performance. Optimum parameters were determined to carry out adsorption studies under the most efficient conditions. A pseudo-second-order model for the adsorption kinetics suggested that the process was driven by chemisorption. Multilayer adsorption on a heterogeneous surface was suggested by isotherm investigations, which showed that the Freundlich model offered the best fit. The process's endothermic character was further supported by the rise in adsorption capacity with temperature. These results show that Chenopodium botrys-derived activated carbon has the potential to be a cost-effective and environmentally friendly material for removing Cu(II) from contaminated water sources.

Keywords

• Adsorption
• Activated carbon
• Chenopodium botrys
• Cu (II)
• Heavy metal

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