A Simple, Efficient and Sustainable Route to Cellulose/Cu Nanocomposite-Evaluation of Their Antimicrobial and Free Radical Scavenging Activities

Cottayil, Sharika Kuthiravettath; Mohan, M. Ram; Sivasubramanian, G.

doi:10.1166/jgst.2015.1037

j green sci technol

2015

DOI: 10.1166/jgst.2015.1037

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A Simple, Efficient and Sustainable Route to Cellulose/Cu Nanocomposite-Evaluation of Their Antimicrobial and Free Radical Scavenging Activities

Sharika Kuthiravettath Cottayil¹,

M. Ram Mohan²,

G. Sivasubramanian³

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“…The diffraction peak (2θ) at 22.1 o in ZVC@PS is attributed to the typical reflection plane (002) of the lignocellulose framework of pistachio shell powder used as support material (JCPDS card no. 03-0289)(Cottayil et al 2015). The XRD pattern adsorbent (Cr-ZVC@PS) exhibited the disappearance of peaks characteristic of Cu(0) nanoparticles at 43.2, 50.4, and 74.1 o upon Cr(VI) adsorption at pH 3.…”

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confidence: 99%

Synergistic effect of pistachio shell powder and nano-zerovalent copper for chromium remediation from aqueous solution

Kumar

Brar

Babu

et al. 2021

Environ Sci Pollut Res

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Pistachio shell powder supported nano-zerovalent copper (ZVC@PS) material prepared by borohydride reduction, was characterized using SEM, FTIR, XRD, TGA/DTA, BET, and XPS. SEM, XRD, and XPS revealed the nanozerovalent copper to consist of a core-shell structure with CuO shell and Cu(0) core with a particle size of 40-100 nm and spherical morphology aggregated on PS biomass. ZVC@PS was found out to contain 39% (w/w %) Cu onto the pistachio shell biomass. Batch sorption of Cr(VI) from the aqueous using ZVC@PS were studied, and was optimized for dose (0.1-0.5 g/L), initial Cr(VI) concentration(1-20 mg/L) and pH (2-12). Optimized conditions were 0.1 g/L doses of sorbent and pH=3 for Cr(VI) adsorption. Langmuir and Freundlich adsorption isotherm models fitted well to the adsorption behavior of ZVC@PS for Cr(VI) with a pseudo-second-order kinetic behavior.ZVC@PS (0.1g/L) exhibits qmax for Cr(VI) removal up to 111.1 mg/g. XPS and other spectroscopic evidence suggest the adsorption of Cr(VI) by pistachio shell powder, coupled with reductive conversion of Cr(VI) to Cr(III) by ZVC particles to produce a synergistic effect for the efficient remediation of Cr(VI) from aqueous medium.

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confidence: 99%

Synergistic effect of pistachio shell powder and nano-zerovalent copper for chromium remediation from aqueous solution

Kumar

Brar

Babu

et al. 2021

Environ Sci Pollut Res

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Evaluation of synergistic adsorption approach for terbinafine removal by cotton shell powder immobilized zerovalent copper: Adsorption kinetics and DFT simulation

Kaur,

Hussain,

Kumar

et al. 2023

Environmental Nanotechnology, Monitoring & Management

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A Simple, Efficient and Sustainable Route to Cellulose/Cu Nanocomposite-Evaluation of Their Antimicrobial and Free Radical Scavenging Activities

Cited by 2 publications

References 0 publications

Synergistic effect of pistachio shell powder and nano-zerovalent copper for chromium remediation from aqueous solution

Synergistic effect of pistachio shell powder and nano-zerovalent copper for chromium remediation from aqueous solution

Evaluation of synergistic adsorption approach for terbinafine removal by cotton shell powder immobilized zerovalent copper: Adsorption kinetics and DFT simulation

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