eprintid: 11115
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/01/11/15
datestamp: 2023-11-10 03:25:39
lastmod: 2023-11-10 03:25:39
status_changed: 2023-11-10 01:14:31
type: article
metadata_visibility: show
creators_name: Anjum, H.
creators_name: Johari, K.
creators_name: Appusamy, A.
creators_name: Gnanasundaram, N.
creators_name: Thanabalan, M.
title: Surface modification and characterization of carbonaceous adsorbents for the efficient removal of oil pollutants
ispublished: pub
keywords: Actinium; Activated carbon; Adsorption; Chlorine compounds; Fourier transform infrared spectroscopy; Gravimetric analysis; Oxidation; Salicylic acid; Scanning electron microscopy; Sodium compounds; Surface treatment; Thermogravimetric analysis; Water pollution, Batch adsorption experiments; Carbonaceous sorbents; Modified adsorbents; Multiwalled carbon nanotube (MWCNTs); MWCNTs; Oxidizing agents; Surface area analyzers; Thermal gravimetric analyses (TGA), Multiwalled carbon nanotubes (MWCN), activated carbon; adsorbent; benzene; citric acid; malic acid; multi walled nanotube; oil; oxidizing agent; salicylic acid; tartaric acid; toluene; xylene, activated carbon; adsorption; aqueous solution; carbon nanotube; chemical pollutant; organic acid; pollutant removal; surface area, adsorption; aqueous solution; Article; chemical modification; concentration (parameter); field emission scanning electron microscopy; Fourier transform infrared spectroscopy; pore volume; Raman spectrometry; surface area; surface property; thermogravimetry; thermostability; titrimetry; waste component removal; water pollution control; X ray diffraction; zeta potential
note: cited By 15
abstract: In this study, the impact of different oxidizing agents on the structural integrity of activated carbon (AC) and multiwalled carbon nanotubes (MWCNTs) was studied for the removal of BTX from aqueous solution. Seven different combinations of green oxidizing agents (mild organic acids) in conjugation with NaOCl (basic oxidizing agent) were used. The modified adsorbents were analyzed by Brunauer, Emmett, and Teller (BET) surface area analyzer, Fourier transform infrared spectroscopy (FTIR), Boehm titration, Raman spectroscopy, thermal gravimetric analysis (TGA), x-ray diffraction (XRD), zeta potential, and variable pressure field emission scanning electron microscope (VPFESEM). The results suggested that the carbonaceous sorbents modified with combination of citric acid tartaric acid, malic acid and salicylic acid (CTMS-I) showed increased surface area (O-AC: 871.67 m2/g, O-MWCNTs: 336.37 m2/g) and total pore volume (O-AC: 0.59 cm3/g, O-MWCNTs: 0.04 cm3/g), with the significantly improved thermal stability. Preliminary batch adsorption experiments conducted using the present prepared O-AC and O-MWCNTs, showed an improved performance towards the adsorption of BTX, compared with other available reported adsorbents in the literature. © 2019 Elsevier B.V.
date: 2019
publisher: Elsevier B.V.
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85067863800&doi=10.1016%2fj.jhazmat.2019.05.066&partnerID=40&md5=ea9f6aafccb77de202923168b3f81b00
id_number: 10.1016/j.jhazmat.2019.05.066
full_text_status: none
publication: Journal of Hazardous Materials
volume: 379
refereed: TRUE
issn: 03043894
citation:   Anjum, H. and Johari, K. and Appusamy, A. and Gnanasundaram, N. and Thanabalan, M.  (2019) Surface modification and characterization of carbonaceous adsorbents for the efficient removal of oil pollutants.  Journal of Hazardous Materials, 379.   ISSN 03043894