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Facile Synthesis of Novel Carboxymethyl-Chitosan/Sodium Alginate Grafted with Amino-Carbamate Moiety/Bentonite Clay Composite for Effective Biosorption of Ni (II) from Aqueous Solution by Shehzad, Hamza; Ahmed, Ejaz; Din, Muhammad Imran; Farooqi, Zahoor H.; Arshad, Muhammad; Sharif, Ahsan; Zhou, Limin; Yun, Wang; Umer, Rumaisa is a Chemistry article available to read on EtoBox.
What is Facile Synthesis of Novel Carboxymethyl-Chitosan/Sodium Alginate Grafted with Amino-Carbamate Moiety/Bentonite Clay Composite for Effective Biosorption of Ni (II) from Aqueous Solution about?
## Abstract In the present study, a novel biosorbent clay composite, based on carboxymethyl-chitosan/sodium alginate grafted with amino-carbamate moiety/bentonite clay (CA-CMC/Bt) was prepared. The produced sorbent was conditioned in the form of hydrogel beads by ionotropic gelation with Ca(II) ions, and thoroughly characterized using FTIR, XRF, XRD, SEM and zeta potential measurements. FTIR and SEM confirmed the successful grafting and intercalation of clay mineral into modified biopolymer. Hydrogel beads were observed to be very integrated and stable under a wide pH working range (from 2.0 to 12.0). CA-CMC/Bt was employed for adsorptive remediation of Ni(II) from aqueous media. Sorption process was found as a function of various parameters such as sorbent dosage, contact time, pH and initial concentration. Kinetic data could be well explained by pseudo second order rate equation (PSORE), suggesting that complexation or valence forces are playing significant role in the uptake of Ni(II) ions. Isothermal sorption data was analysed using different sorption models such as Langmuir, Freundlich and Sips. Data was well fitted with Langmuir and Sips model, maximum monolayer sorption capa
Who reads Facile Synthesis of Novel Carboxymethyl-Chitosan/Sodium Alginate Grafted with Amino-Carbamate Moiety/Bentonite Clay Composite for Effective Biosorption of Ni (II) from Aqueous Solution?
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- Author
- Shehzad, Hamza; Ahmed, Ejaz; Din, Muhammad Imran; Farooqi, Zahoor H.; Arshad, Muhammad; Sharif, Ahsan; Zhou, Limin; Yun, Wang; Umer, Rumaisa
- Publisher
- Oldenbourg Wissenschaftsverlag; Walter de Gruyter GmbH (ISSN 0942-9352)
- Published
- 2020
- Language
- EN
- Field
- Chemistry (Physical Sciences)