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RSC Adv


Title:Cellulose particles capture aldehyde VOC pollutants
Author(s):Bravo I; Figueroa F; Swasy MI; Attia MF; Ateia M; Encalada D; Vizuete K; Galeas S; Guerrero VH; Debut A; Whitehead DC; Alexis F;
Address:"School of Biological Sciences and Engineering, Yachay Tech University Urcuqui Ecuador falexis@yachaytech.edu.ec. Department of Chemistry, Clemson University Clemson South Carolina USA dwhiteh@clemson.edu. Department of Bioengineering, Clemson University Clemson South Carolina USA. Department of Environmental Engineering and Earth Sciences, Clemson University Clemson South Carolina USA. Center of Nanosciences and Nanotechnology, Universidad de Las Fuerzas Armadas ESPE Sangolqui Ecuador. Mechanical Engineering Faculty, Escuela Polytecnica Nacional Quito Ecuador"
Journal Title:RSC Adv
Year:2020
Volume:20200224
Issue:13
Page Number:7967 - 7975
DOI: 10.1039/d0ra00414f
ISSN/ISBN:2046-2069 (Electronic) 2046-2069 (Linking)
Abstract:"Aldehydes are commonly encountered Volatile Organic Compounds (VOCs) released to the atmosphere from a variety of anthropogenic sources. Based on the increasing interest in developing sustainable and environmentally friendly materials for the decontamination of VOCs, cellulose particles have emerged as one possible candidate, but there is a lack of understanding of the physicochemical properties affecting the adsorption of VOCs, and the effect of the extraction source on these intrinsic features. The present study was focused on the evaluation of unmodified cellulose particles extracted from biodiverse sources in Ecuador as potential VOC decontaminants. Modifications of the natural fibers with polyethylenimine (PEI) coating were performed to enhance the adsorption effectiveness. Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric analysis (TGA), Brunauer-Emmett-Teller (BET) measurements, and scanning electron microscopy (SEM) methods were used to characterize the physicochemical properties of the isolates. Gas chromatography assays demonstrated that unmodified cellulose can adsorb an aldehyde VOC, hexanal, reaching up to a 56.42 +/- 7.30% reduction. Electrostatic coating of the cellulose particles with small quantities of PEI enhanced the VOC remediation capacities (i.e. 98.12 +/- 1.18%). Results demonstrated that the biodiverse plant source of the cellulose isolate can affect the gas capturing properties, and that these particles can be an environmentally friendly solution for effective adsorption of VOC pollutants"
Keywords:
Notes:"PubMed-not-MEDLINEBravo, Isaac Figueroa, Freddy Swasy, Maria I Attia, Mohamed F Ateia, Mohamed Encalada, Domenica Vizuete, Karla Galeas, Salome Guerrero, Victor H Debut, Alexis Whitehead, Daniel C Alexis, Frank eng England 2020/02/24 RSC Adv. 2020 Feb 24; 10(13):7967-7975. doi: 10.1039/d0ra00414f. eCollection 2020 Feb 18"

 
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