Journal
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
Volume 30, Issue 7, Pages 2591-2597Publisher
SPRINGER
DOI: 10.1007/s10904-019-01415-6
Keywords
Palm fibers; Cellulose fibers; ZrO2 center dot nH(2)O; Adsorption of dichromate ions
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Surface modification of palm fibers has been made by different methods. This work, cellulose fibers from palm were bleached and modified by zirconium oxychloride. Cellulose fibers were coated with ZrO2 center dot nH(2)O particles with different amount of zirconium oxychloride in acidic medium in the presence of cellulose fibers using ammonium hydroxide as the precipitating agent. The coating of hydrous zirconium oxide on cellulose fibers was carried out by scanning electron microscopy, X-ray diffraction, themogravimetric analysis, attenuated total reflectance Fourier transform infrared spectroscopy and atomic emission spectrometry with inductively coupled plasma were also techniques used to characterize the materials. Dichromate ion was adsorbed on the Cell/ZrO2 center dot nH(2)O by immersing this solid in an aqueous solution of potassium dichromate. The analyses to determine the concentration after the adsorption were made using UV-Vis spectrum, in a wavelength of 349 nm. The results were satisfactory showing that the Cell/ZrO2 center dot nH(2)O materials obtained presented good adsorption capacity. Results showed that the amount ZrO2 center dot nH(2)O particles coated on cellulose fibers influenced in the sorption capacity of dichromate ions.
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