Advanced removal of crystal violet dye from aqueous solutions by photocatalysis using commercial products containing titanium dioxide
نویسندگان
چکیده
Two commercial products containing titanium dioxide, P-25 and Kronos 7000, were used for the detailed investigation of advanced degradation crystal violet (CV) dye by photocatalysis. The parametric study concerning influence initial concentration, photocatalyst dose, pH medium hydrogen peroxide addition in reaction batch was performed. net superiority decolorization further highlighted measuring mineralization degree TOC. potential application results is confirmed reaching 86–87% degrees after 180 min presence 1g·L -1 or 120 using additionally 100 ppm H 2 O . Deux produits commerciaux à base de dioxyde titane, et ont été utilisés pour une étude détaillée la dégradation avancée du colorant cristal par photocatalyse. Une paramétrique concernant l’influence concentration initiale colorant, dose photocatalyseur, milieu réactionnel l’addition peroxyde d’hydrogène dans le a mise en œuvre. La supériorité nette décoloration évidenciée mesurant degré minéralisation mesure carbonne organique totale (COT). L’application potentielle est confirmée hautes degrés (86–87%) après photocatalyse avec ou utilisant plus
منابع مشابه
Investigation on the Removal of Malachite Green from Aqueous Solutions Using Photocatalysis of Titanium Dioxide and Zinc Oxide Nanoparticles
Background & objectives: Malachite green color has been extensively used in aquaculture industry around the world. The drainage of colored wastewater containing malachite green to aquatic ecosystems has created very serious risks for human health and the environment. The purpose of this study was to investigate the removal of green malachite from aqueous solutions using photocatalysis of titani...
متن کاملSurvey of Nitrate Removal Method from Aqueous Solutions Using Titanium Dioxide Nano-Photocatalyst
Background & objectives: Because of its very high solubility, nitrate penetrates easily into soil and underground waters. Surface waters such as lakes, reservoirs, and rivers are exposed to nitrate pollution. Photocatalytic processes have a high potential for nitrate removal due to complete oxidation, lack of formation of multi-cycle metabolites and the availability of catalysts. The purpose of...
متن کاملRemoval of methylene blue dye aqueous solution using photocatalysis
The nano sized TiO2 and ZnO are the most active photocatalysts. Methylene blue was used as a reference molecule for the photocatalytic degradation. The TiO2 and ZnO can totally remove methylene blue dye. The effect of various process parameters like initial concentration, contact time, dose of catalyst and pH on the extent of removal of dye by photocatalysis in presence o...
متن کاملRemoval of textile dye from aqueous solutions by nanofiltration process
The feasibility of employing nanofiltration (NF) in the decolorization of ionic (direct blue 86) and nonionic (disperse blue 56) dye aqueous solutions was investigated. The effects of feed concentration (60- 180 mg/l), pressure (0.5- 1.1 MPa) and pH (6- 10) were studied. Experiments were performed in a laboratory- scale set up by using a TFC commercial spiral wound polyamide nanofilter. The res...
متن کاملThe Color Removal of Dye-Containing Wastewater by Cerium (IV) Sulfate from Aqueous Solutions
In this study a giant reagent such as Ce (SO4 )2 was used for removing different initial dye concentration (10-1000 mg/l) of reactive red 31 (R.R31) less than two minutes in a laboratory scale whereas the percent of dye removal efficiency was %99.9. The Langmuir, Freundlich and Tempkin adsorption models were applied to describe the equilibrium isotherms. The Langmuir model agreed very well with...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Comptes Rendus Chimie
سال: 2022
ISSN: ['1878-1543', '1631-0748']
DOI: https://doi.org/10.5802/crchim.150