Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/1182
Title: Comparative study of Cr(VI) removal by bio-waste adsorbents: equilibrium, kinetics, and thermodynamic
Authors: Parlayıcı, Şerife
Pehlivan, Erol
Keywords: Chromium(Vi)
Cranberry Kernel Shell
Rosehip Seed Shell
Banana Peel
Adsorption
Hexavalent Chromium
Aqueous-Solution
Agricultural Waste
Adsorption
Water
Biosorption
Vi
Issue Date: 2019
Publisher: SPRINGER INTERNATIONAL PUBLISHING AG
Abstract: The green adsorbents were prepared by using cranberry (Corpus mas) kernel shell (CKS), rosehip (Rosa canina) seed shell (RSS), and banana (Musa cavendishii) peel (BP) and were proved in removing Cr(VI). Several parameters to remove Cr(VI) such as pH, adsorbent dosage, contact time, initial Cr(VI) ions concentration, and temperature were tested. The functional groups in the matrix of as, RSS, and BP were detected by FT-IR for raw biomasses together with Cr(VI). The equilibrium results were inspected using four different isotherm models, with a better fitting to the Langmuir model. The maximum adsorption quantities for Cr(VI) ions were 10.42, 15.17, and 6.81 mg/g for BP, RSS, and CKS, respectively. The interrelationship coefficients were expressed by a pseudo-second-order kinetic model, assuming that the overall Cr(VI) adsorption rate is limited by the rate of adsorbate diffusion in the pores of biomass.
URI: https://doi.org/10.1186/s40543-019-0175-3
https://hdl.handle.net/20.500.13091/1182
ISSN: 2093-3134
2093-3371
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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