eprintid: 16181
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/01/61/81
datestamp: 2023-12-19 03:22:44
lastmod: 2023-12-19 03:22:44
status_changed: 2023-12-19 03:05:47
type: conference_item
metadata_visibility: show
creators_name: Sankar, T.
creators_name: Rabat, N.E.
creators_name: Mat Ghani, S.M.
title: Optimization of adsorption parameters of anionic dye on polyvinyl alcohol hydrogel-based adsorbents
ispublished: pub
note: cited By 0; Conference of 1st International Conference on Trends in Chemical Engineering 2021, ICoTRiCE 2021 ; Conference Date: 4 October 2021 Through 5 October 2021; Conference Code:184475
abstract: Synthetic polymer hydrogel for dye removal application faces low dye removal efficiency and weak mechanical strength. In this project, polyvinyl alcohol (PVA) hydrogels-based adsorbents were prepared by grafting its matrices with oil palm biowaste (OPB) and carbon nanotubes (CNT). The synthesized hydrogels, namely PVA, PVA-g-OPB, PVA-g- CNT and PVA-g-OPB/CNT were immersed in methyl orange (MO) solutions to study their adsorption ability at different adsorption parameters. UV-Vis was used throughout the adsorption and regeneration studies. PVA-g-OPB/CNT recorded the highest percentage of MO dye adsorption (81.84) at the parameters of pH 4, the solution temperature at 60?°C and the initial concentration 10mg/L. The acidic solution at a lower pH value led to fewer -OH ions, enhancing the interaction between the hydrogels and the anionic dye. The optimized temperature is at a high temperature as the active site of the adsorbent gets activated and increased the pore size, thus enhancing the adsorption of MO ions on the hydrogels. The PVA- g-OPB/CNT had an excellent sustainability property by having the highest dye removal percentage at 80.05, even after five cycles of adsorption and desorption. This research showed the potential to supersede other adsorption methods for dye removal. © 2022 Author(s).
date: 2022
publisher: American Institute of Physics Inc.
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85143069051&doi=10.1063%2f5.0113922&partnerID=40&md5=656a582451c8a8eb0370cf9cd0ba000b
id_number: 10.1063/5.0113922
full_text_status: none
publication: AIP Conference Proceedings
volume: 2541
refereed: TRUE
isbn: 9780735442603
issn: 0094243X
citation:   Sankar, T. and Rabat, N.E. and Mat Ghani, S.M.  (2022) Optimization of adsorption parameters of anionic dye on polyvinyl alcohol hydrogel-based adsorbents.  In: UNSPECIFIED.