Results 31 to 40 of about 3,462 (216)

Azo Dye Adsorption onto Cobalt Oxide: Isotherm, Kinetics, and Error Analysis Studies

Indonesian Journal of Chemistry, 2021
The current study focused on utilizing cobalt oxide to eliminate hazardous Eriochrome Black T (EBT) dye. The impact of pH (2, 4, 7, 8, and 10) and temperature (45, 50, and 55 °C) was examined for EBT removal.
Hawraa Kassem Hami, Ruba Fahmi Abbas, Shireen Abdulmohsin Azeez, Nedaa Ibrahim Mahdi   +3 more
doaj   +1 more source

Efficient Removal of Eriochrome Black T Dye Using Activated Carbon of Waste Hemp (Cannabis sativa L.) Grown in Northern Morocco Enhanced by New Mathematical Models

Separations, 2022
In the present work, the adsorption behavior of Eriochrome Black T (EBT) on waste hemp activated carbon (WHAC) was examined. The surface of the WHAC was modified by H3PO4 acid treatment.
Fouad El Mansouri, Guillermo Pelaz, Antonio Morán, Joaquim C. G. Esteves Da Silva, Francesco Cacciola, Hammadi El Farissi, Hatim Tayeq, Mohammed Hassani Zerrouk, Jamal Brigui   +8 more
doaj   +1 more source

Reactions of o,o′-Dihydroxy Azo Dyes with the Third Group M(III) Ions: A Spectroscopic and Electrochemical Study

Journal of Chemistry, 2013
The reactions of some metal ions of the third group (M(III)) with azo dyes were studied. Attention was focused on azo dyes with two hydroxy groups in ortho-positions to azo group: eriochrome red B (ERB), eriochrome black T (EBT), eriochrome blue SE (EBSE)
Solomiya Pysarevska, Liliya Dubenska, Ivan Spanik, Jaroslav Kovalyshyn, Sofia Tvorynska   +4 more
doaj   +1 more source

Micro-fading spectrometry: investigating the wavelength specificity of fading [PDF]

, 2015
A modified microfading spectrometer incorporating a linear variable filter is used to investigate the wavelength dependence of fading of traditional watercolour pigments, dosimeters and fading standards at a higher spectral resolution and/or sampling ...
AL Dupont, Andrew Lerwill, Anna Brookes, B Berrie, British Standards Institution, EI Stearns, H Hattori, Haida Liang, JM Hoyo-Meléndez del, Joyce H. Townsend, K McLaren, M Ware, NH Tennent, Stephen Hackney, T Kenjo, VL Beltran, W Russell, WD Appel   +17 more
core   +1 more source

Obtaining a bioadsorbent from orange peel suitable for batch and continous treatment [PDF]

, 2020
One form of chemical contamination involves the contribution of heavy metals to the ecosystem mainly from industrial spills and mining operations. The most toxic heavy metals are cadmium, copper, chromium, mercury, nickel, lead and zinc.
García Raurich, Josep, Martínez Roldán, Tania, Monagas Asensio, Pedro   +2 more
core   +3 more sources

Removal of eriochrome black T from aqueous solution using coffee husk as bioadsorbent

Revista Agrogeoambiental
The eriochrome black T dye belongs to the azo dye class and is often used as an indicator in complexometric titrations and as a fiber dye in industrial processes.
Nathan Almeida Amancio, Poliana Coste e Colpa, Cíntia Moda Salatino Guardabaxo, Carla Beatriz Silva, Leandro Gustavo da Silva   +4 more
doaj   +1 more source

Кинетика химического осаждения сульфида цинка ZnS [PDF]

, 2016
The paper is devoted to kinetic methods of chemical bath deposition of zinc sulfide ZnS from aqueous alkaline solutions containing ehylenediamine complex zinc salt Zn(En)n 2+ and diamide of thiocarbonic acid N2H4CS.
Kozhevnikova, N. S., Uritskaya, A. A., Yakubova, T. V., Кожевникова, Н. С., Урицкая, А. А., Якубова, Т. В.   +5 more
core   +1 more source

Low power photo-assisted catalytic degradation of azo dyes using 1-D BiOI: Optimization of the key physicochemical features

Catalysis Communications, 2023
Flower-like spherical 1-D-BiOI nanoparticles were solvothermally synthesized and evaluated for the photocatalytic degradation of the azo dyes Methyl Orange (MO), Methylene Blue (MB), and Eriochrome Black-T (EBT) using ultra-low-power LED light.
Marzieh Nourzad, Aliakbar Dehghan, Zohreh Niazi, Dimitrios A. Giannakoudakis, Mojtaba Afsharnia, Mariusz Barczak, Ioannis Anastopoulos, Konstantinos S. Triantafyllidis, Mahmoud Shams   +8 more
doaj   +1 more source

On the path to a new generation of cement-based composites through the use of lignocellulosic micro/nanofibers [PDF]

, 2019
Due to its high biocompatibility, bio-degradability, and low cost, cellulose finds application in disparate areas of research. Here we focus our attention on the potential applications of cellulose nanofiber in cement-basedmaterials for the building ...
Chamorro Trenado, Miquel Ángel, Claramunt Blanes, Josep, Delgado Aguilar, Marc, Llorens Sulivera, Joan, Mutjé Pujol, Pere, Pareta Marjaneda, Maria Mercè, Reixach, Rafel, Tarrés Farré, Joaquim Agustí   +7 more
core   +2 more sources

Simple sonochemical synthesis, characterization of TmVO4 nanostructure in the presence of Schiff-base ligands and investigation of its potential in the removal of toxic dyes

Ultrasonics Sonochemistry, 2023
Thulium vanadate (TmVO4) nanorods were successfully prepared by a simple sonochemical approach using Schiff-base ligands. Additionally, TmVO4 nanorods were employed as a photocatalyst.
Atefeh Panahi, Mojgan Ghanbari, Elmuez A. Dawi, Rozita Monsef, Russul Reidh Abass, Aseel M. Aljeboree, Masoud Salavati-Niasari   +6 more
doaj   +1 more source