Adsorption of congo red dye from aqueous solutions by prepared activated carbon with oxygen-containing functional groups and its regeneration

R Lafi, I Montasser, A Hafiane - Adsorption Science & …, 2019 - journals.sagepub.com
This study investigates the potential use of activated carbon prepared from coffee waste
(CW) as an adsorbent for the removal of congo red dye from aqueous solution. The oxygen …

Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments …

Z Li, H Hanafy, L Zhang, L Sellaoui, MS Netto… - Chemical Engineering …, 2020 - Elsevier
Activated carbons were prepared from ashitaba waste and a walnut shell to study the
adsorption mechanism of congo red and methylene blue dyes in aqueous solution. These …

Adsorption of cationic dyes onto chemically modified activated carbon: Kinetics and thermodynamic study

MS Gohr, AI Abd-Elhamid, AA El-Shanshory… - Journal of Molecular …, 2022 - Elsevier
In this study, Activated carbon (AC) was successfully modified by carboxylic group (–COOH)
via AC mechanical attrition in the presence of NaOH and Chloroacetic acid. Modified …

Adsorptive removal of congo red dye from aqueous solution using bael shell carbon

R Ahmad, R Kumar - Applied Surface Science, 2010 - Elsevier
This study investigates the potential use of bael shell carbon (BSC) as an adsorbent for the
removal of congo red (CR) dye from aqueous solution. The effect of various operational …

[HTML][HTML] The removal of anionic and cationic dyes from an aqueous solution using biomass-based activated carbon

NUM Nizam, MM Hanafiah, E Mahmoudi, AA Halim… - Scientific Reports, 2021 - nature.com
In this study, two biomass-based adsorbents were used as new precursors for optimizing
synthesis conditions of a cost-effective powdered activated carbon (PAC). The PAC removed …

Full factorial experimental design analysis of reactive dye removal by carbon adsorption

N Özbay, AŞ Yargıç, RZ Yarbay-Şahin… - Journal of …, 2013 - Wiley Online Library
The objective of this study was to investigate the removal of Remazol Yellow dye from
aqueous solutions by adsorption on activated carbon prepared by chemical activation of …

[HTML][HTML] Removal of congo red from water by adsorption onto activated carbon derived from waste black cardamom peels and machine learning modeling

RA Aftab, S Zaidi, AAP Khan, MA Usman… - Alexandria Engineering …, 2023 - Elsevier
The present work utilizes waste black cardamom (BC) as an inexpensive and
environmentally friendly adsorbent for sequestering the Congo Red (CR) dye from aqueous …

Conversion of grape industrial processing waste to activated carbon sorbent and its performance in cationic and anionic dyes adsorption

H Sayğılı, F Güzel, Y Önal - Journal of Cleaner Production, 2015 - Elsevier
Grape processing industry waste was used as a novel precursor for the production of a low-
cost activated carbon with zinc chloride chemical activation. The effects of the production …

[HTML][HTML] Kinetic modeling of liquid-phase adsorption of Congo red dye using guava leaf-based activated carbon

AT Ojedokun, OS Bello - Applied Water Science, 2017 - Springer
Guava leaf, a waste material, was treated and activated to prepare adsorbent. The
adsorbent was characterized using Scanning Electron Microscopy (SEM), Fourier Transform …

Brilliant green dye biosorption using activated carbon derived from guava tree wood

RA Mansour, A El Shahawy, A Attia… - International Journal of …, 2020 - Wiley Online Library
The removal of brilliant green (BG) dye from an aqueous solution using activated carbon
(AC) derived from guava tree wood is conducted in batch conditions. The influence of …