Recent advances in activated carbon modification techniques for enhanced heavy metal adsorption

M Mariana, AK HPS, EM Mistar, EB Yahya… - Journal of Water …, 2021 - Elsevier
The contamination of water with heavy metals is a global issue. Its water solubility and non-
degradability nature convert it into a potential threat to human health as well as flora and …

An overview of low‐temperature plasma surface modification of carbon materials for removal of pollutants from liquid and gas phases

Y Huang, Q Yu, M Li, S Sun, H Zhao… - Plasma Processes …, 2021 - Wiley Online Library
As a promising surface treatment technique, low‐temperature plasma (LTP) technology has
been widely used over the past two decades. Herein, the surface modification of carbon …

Surface modification of activated carbon fiber by low-temperature oxygen plasma: Textural property, surface chemistry, and the effect of water vapor adsorption

Y Huang, Q Yu, M Li, S Jin, J Fan, L Zhao… - Chemical engineering …, 2021 - Elsevier
The effects of adsorbent characteristics on its water adsorption performance were
investigated using low-temperature oxygen plasma technology (LTOP) as a surface …

Surface modification of phosphoric acid activated carbon by using non-thermal plasma for enhancement of Cu (II) adsorption from aqueous solutions

L Wu, W Wan, Z Shang, X Gao, N Kobayashi… - Separation and …, 2018 - Elsevier
The dielectric barrier discharge (DBD) non-thermal plasma was used to modify the
phosphoric acid activated carbon (AC) for enhancing its adsorption performance of Cu (II) …

Highly effective removal of perfluorooctanoic acid (PFOA) in water with DBD-plasma-enhanced rice husks

T Sahara, D Wongsawaeng, K Ngaosuwan… - Scientific Reports, 2023 - nature.com
Adsorption is regarded as an efficient method to eliminate per-and polyfluoroalkyl
substances from an aqueous solution. In the present investigation, an adsorbent based on …

Three-dimensional porous spinel ferrite as an adsorbent for Pb (II) removal from aqueous solutions

DHK Reddy, SM Lee - Industrial & Engineering Chemistry …, 2013 - ACS Publications
Application of porous magnetic materials for detoxification of pollutants from aqueous
solutions has attracted great attention in recent years because of their ease of separation …

Surface modifications of activated carbon and its impact on application

M Pego, J Carvalho, D Guedes - Surface Review and Letters, 2019 - World Scientific
The main and new surface modification methods of activated carbon (AC) and their
influence on application (adsorption capacity) were reviewed. Adsorption capacity is an …

Hierarchical porous carbon microspheres with superhydrophilic surface for efficient adsorption and detection of water-soluble contaminants

J Li, H Bai, X Li, W Li, J Zhai, M Li, G Xi - Journal of Materials Chemistry …, 2018 - pubs.rsc.org
Generally, due to the disappearance of hydrophilic groups, graphene-based materials
produced by high temperature pyrolysis or reduction are hydrophobic and can be used to …

Plasma-surface modification vs air oxidation on carbon obtained from peach stone: Textural and chemical changes and the efficiency as adsorbents

PSDV Maldonado, V Hernández-Montoya… - Applied Surface …, 2016 - Elsevier
Carbons were prepared from peach stones (Prunus persica) using different carbonization
temperatures (600, 800 and 1000° C). A selected sample was modified by oxidation using …

Formation of cerussite and hydrocerussite during adsorption of lead from aqueous solution on oxidized carbons by cold oxygen plasma

PSDV Maldonado, V Hernández-Montoya… - Applied Surface …, 2016 - Elsevier
A new procedure of elimination of Pb 2+ from aqueous solution using carbon adsorbents, in
which high amounts of cerussite and hydrocerussite are deposited on the carbon surfaces …