Crofton weed stalk (CWS) was used as an adsorbent to remove methylene blue (MB) from aqueous solution. The adsorbent was analyzed by FT-IR and observed by SEM. The porosity and pHzpc were measured. The effects of adsorbent dose, initial dye concentration, solution pH, and solution temperature were investigated. Models of the adsorption kinetics and isotherms were analyzed, and thermodynamic par...

D149, a metal-free indoline dye, is one of the most promising sensitizers for dye-sensitized solar cells (DSSCs) and has shown very high solar energy conversion efficiencies of 9%. Effective electron injection from the excited state is a prerequisite for high efficiencies and is lowered by competing deactivation pathways. Previous investigations have shown surprisingly short-lived excited state...

Insects are a readily available source of chitosan due to their high reproductive rates, ease breeding, and resistance changes in ecosystem. This study aimed extract from several widespread insects: Blaps lethifera (CS-BL), Pimelia fernandezlopezi (CS-PF), Musca domestica (CS-MD). The was also extended using the obtained chitosans removing methylene blue dye (MB) wastewater. chitosan, initial c...

zno and tio2 nanoparticles wereimpregnated with merbromin dye and used as modified photocatalysts for degradation of phenol. dye-modified zno and tio2 showed significantly higher photocatalytic activity than neat zno and tio2 under visible light illumination. moreover, the prepared dye-modified zno showed superior photocatalytic efficiency in degradation of phenol compared to the dye-modified t...

The raw jute fabric was oxidized with 0.2% or 0.4% NaIO 4 for 60 120 min to obtain valuable adsorbents the textile dye Congo Red (CR). Batch adsorption experiments were carried out as a function of solution pH, contact time, initial CR concentration, and temperature. At an concentration 25 mg/L, possessed lowest due availability content carboxyl aldehyde groups capable binding dye. fabrics reac...

This study was performed to investigate the electrochemical oxidation of a solution containing methylene blue dye by using a tin oxide (SnO2) electrode. The effect of several operating factors such as electrolyte types, current density, initial dye concentration, and pH were investigated by following the discolorationand COD removal. The results show th...