Food colour additives: A synoptical overview on their chemical properties, applications in food products, and health side effects

MM Silva, FH Reboredo, FC Lidon - Foods, 2022 - mdpi.com
Colour is one of the most relevant organoleptic attributes that directly affects consumers'
acceptance and food selection. However, as food colouring pigments are generally unstable …

Application of natural coagulants in water treatment: a sustainable alternative to chemicals

B Koul, N Bhat, M Abubakar, M Mishra, AP Arukha… - Water, 2022 - mdpi.com
Water treatment (WT) is currently among the major areas of research due to the depletion of
water resources and fearmongering regarding environmental pollution, which has …

Potential of using green adsorbent of heavy metal removal from aqueous solutions: adsorption kinetics, isotherm, thermodynamic, mechanism and economic analysis

RM Ali, HA Hamad, MM Hussein, GF Malash - Ecological Engineering, 2016 - Elsevier
Peanut hull is a local natural abundant agricultural waste in Egypt. The peanut hull was
used as an adsorbent without any chemical or physical treatment for copper ions Cu (II) …

Adsorptive removal of dyes from aqueous solution onto carbon nanotubes: a review

VK Gupta, R Kumar, A Nayak, TA Saleh… - Advances in colloid and …, 2013 - Elsevier
Adsorption is a widely used technique for the separation and removal of pollutants from
wastewaters. Carbon nanotubes (CNTs) are emerging as potential adsorbents because of …

Sorption of pollutants by porous carbon, carbon nanotubes and fullerene-an overview

VK Gupta, TA Saleh - Environmental science and pollution research, 2013 - Springer
The quality of water is continuously deteriorating due to its increasing toxic threat to humans
and the environment. It is imperative to perform treatment of wastewater in order to remove …

Chemical treatment technologies for waste-water recycling—an overview

VK Gupta, I Ali, TA Saleh, A Nayak, S Agarwal - Rsc Advances, 2012 - pubs.rsc.org
The global population is increasing and because of this, the world may experience great
fresh water scarcity. Our water resources are limited and, hence, water treatment and …

A novel magnetic Fe@ Au core–shell nanoparticles anchored graphene oxide recyclable nanocatalyst for the reduction of nitrophenol compounds

VK Gupta, N Atar, ML Yola, Z Üstündağ, L Uzun - Water research, 2014 - Elsevier
In this study, a novel catalyst based on Fe@ Au bimetallic nanoparticles involved graphene
oxide was prepared and characterized by transmission electron microscope (TEM), and x …

Enhanced adsorptive removal of methyl orange and methylene blue from aqueous solution by alkali-activated multiwalled carbon nanotubes

J Ma, F Yu, L Zhou, L **, M Yang, J Luan… - … applied materials & …, 2012 - ACS Publications
An alkali-acitvated method was explored to synthesize activated carbon nanotubes (CNTs-
A) with a high specific surface area (SSA), and a large number of mesopores. The resulting …

ZnO/Ag nanocomposite: an efficient catalyst for degradation studies of textile effluents under visible light

R Saravanan, N Karthikeyan, VK Gupta… - Materials Science and …, 2013 - Elsevier
Degradation of model organic dye and industry effluent was studied using different weight
percentages of Ag into ZnO as a catalyst. In this study, the catalysts were prepared by …

Adsorption process of methyl orange dye onto mesoporous carbon material–kinetic and thermodynamic studies

N Mohammadi, H Khani, VK Gupta, E Amereh… - Journal of colloid and …, 2011 - Elsevier
The mesoporous carbon CMK-3 adsorbent was prepared, characterized, and used for the
removal of anionic methyl orange dye from aqueous solution. Adsorption experiments were …