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Journals / Journal of the Turkish Chemical Society Section B: Chemical Engineering / 2019 / Cilt: 2 - Sayı: 2

Removal of Lead and Cadmium Ions from Aqueous Solutions by Olive Pomace as a Low-Cost Biosorbent

Onur UZUNKAVAK
Günseli ÖZDEMİR
Pages
121–132
Publication Date
2019-11-15
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

It was found that lead and cadmium adsorption follows a pseudo second order kinetics.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, the adsorptive performance of olive pomace on lead and cadmium removal from aqueous solutions was investigated.
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Key Findings & Data:Maximum sorption for lead and cadmium ions was obtained at pH 5.5 and 6 as 33 and 8 mg/g, respectively, with 1 g/L olive pomace loading.
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Conclusion & Impact:It was found that lead and cadmium adsorption follows a pseudo second order kinetics.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Wastewater treatment · Biosorption · olive pomace

Abstract

In this study, the adsorptive performance of olive pomace on lead and cadmium removal from aqueous solutions was investigated. Process parameters such as particle size, solution pH, contact time, initial ion concentration, and incubation temperature were evaluated by batch experiments. It was found that lead and cadmium adsorption follows a pseudo second order kinetics. Maximum sorption for lead and cadmium ions was obtained at pH 5.5 and 6 as 33 and 8 mg/g, respectively, with 1 g/L olive pomace loading. Adsorption isotherms were best fitted with Redlich-Peterson and Langmuir-Freundlich models for lead and cadmium adsorption, respectively. Thermodynamic calculations revealed that the adsorption process is feasible and spontaneous in nature. Point of zero charge (pHPZC) and BET surface area measurements were performed in adsorbent characterization.

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Cite This Article

UZUNKAVAK, O., ÖZDEMİR, G. (2019). Removal of Lead and Cadmium Ions from Aqueous Solutions by Olive Pomace as a Low-Cost Biosorbent. Journal of the Turkish Chemical Society Section B: Chemical Engineering, Cilt: 2 - Sayı: 2, 121–132. https://ajindex.com/articles/681830

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