scholarly journals Effect of Photochemical Advanced Oxidation Processes on the Bioamenability and Acute Toxicity of an Anionic Textile Surfactant and a Textile Dye Precursor

10.5772/20435 ◽  
2011 ◽  
Author(s):  
Idil Arslan-Alaton ◽  
Tugba Olmez-Hanci
Keyword(s):  
Acute Toxicity ◽  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Textile Dye ◽  
Oxidation Processes

scholarly journals Evaluation of the degradation potential of different advanced oxidation processes for a textile dye mixture: a kinetic study with mathematical modeling and toxicological tests

2020 ◽  
Vol 42 ◽  
pp. e7
Author(s):  
Joanna Cysneiros Silva ◽  
Rayany Magali da Rocha Santana ◽  
Graziele Elisandra do Nascimento ◽  
Alex Leandro Andrade de Lucena ◽  
Ana Maria Ribeiro Bastos da Silva ◽  
...  
Keyword(s):  
Advanced Oxidation Processes ◽  
Treatment Process ◽  
Wastewater Treatment Plants ◽  
Advanced Oxidation ◽  
Textile Dye ◽  
Rapid Decay ◽  
Oxidation Processes ◽  
First Order ◽  
Heterogeneous Processes ◽  
Brazilian Northeast

Studies and research have been developed around the world on environmental pollution. Among the most diverse types of pollutants, textile dyes have attracted attention in the Brazilian Northeast. These compounds, besides being persistent, resist to the conventional treatments applied in the wastewater treatment plants. Thus, the present study evaluated the degradation of the mixture of direct red 23, direct red 227 and direct orange 26 dyes by advanced oxidation processes (AOPs). It was observed that the homogeneous AOPs were more efficient, being able to degrade 100% of the chromophoric groups after the optimization of the variables [H2O2], [Fe] and pH. The reaction kinetics for the photo-Fenton process followed a pseudo-first order non-linear model, with rapid decay of the concentrations in the first 60 min. Aiming to have a methodology capable of predicting the degradation efficiency for the studied processes, it was verified that the artificial neural networks MLP 4-9-3 and MLP 5-6-3 well represent the data from the homogeneous and heterogeneous processes, respectively. A toxicity study was carried out using seeds, bacteria and microcrustaceans and it was found that the intermediate compounds formed during the treatment process act differently for each of them.

Evaluation of acute toxicity, cytotoxicity and genotoxicity of landfill leachate treated by biological lagoon and advanced oxidation processes

2017 ◽  
Vol 5 (6) ◽  
pp. 6188-6193 ◽  
Author(s):  
Cláudia Regina Klauck ◽  
Alexandre Giacobbo ◽  
Erlon Diego Lorenz de Oliveira ◽  
Luciano Basso da Silva ◽  
Marco Antônio Siqueira Rodrigues
Keyword(s):  
Acute Toxicity ◽  
Landfill Leachate ◽  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Oxidation Processes

scholarly journals Degradation of Textile Dye Using the Advanced Oxidation Processes Photo- Fenton and Solar Photo-Fenton

2020 ◽  
Author(s):  
Aline Aparecida Carvalho França ◽  
José Machado Moita Neto ◽  
Maria Alexsandra de Sousa Rios ◽  
Alexandre Diógenes Pereira ◽  
Marcos Antônio Tavares Lira ◽  
...  
Keyword(s):  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Textile Dye ◽  
Oxidation Processes

An insight into the effective advanced oxidation process for treatment of simulated textile dye waste water

RSC Advances ◽  
2014 ◽  
Vol 4 (75) ◽  
pp. 39941-39947 ◽  
Author(s):  
Jhimli Paul Guin ◽  
D. B. Naik ◽  
Y. K. Bhardwaj ◽  
Lalit Varshney
Keyword(s):  
Waste Water ◽  
Advanced Oxidation Processes ◽  
Advanced Oxidation Process ◽  
Oxidation Process ◽  
Advanced Oxidation ◽  
Textile Dye ◽  
Oxidation Processes ◽  
Insight Into

The comparison in the extent of % mineralization of Simulated Textile Dye Waste Water (STDWW) in three Advanced Oxidation Processes.

scholarly journals Employment of advanced oxidation processes in the degradation of a textile dye mixture: evaluation of reaction parameters, kinetic study, toxicity and modeling by artificial neural networks

2021 ◽  
Vol 25 ◽  
pp. e12
Author(s):  
Marcos André Soares de Oliveira ◽  
Naiana Santos da Cruz Santana Neves ◽  
Rayany Magali da Rocha Santana ◽  
Alex Leandro Andrade de Lucena ◽  
Léa Elias Mendes Carneiro Zaidan ◽  
...  
Keyword(s):  
Neural Networks ◽  
Artificial Neural Networks ◽  
Water Resources ◽  
Organic Contaminants ◽  
Textile Industry ◽  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Textile Dye ◽  
Oxidation Processes ◽  
Artificial Neural

Organic contaminants in industrial effluents threaten the quality of water resources, especially due to their resistance to natural degradation. The textile industry gain relevance, considering that it generates large volumes. This work aimed to evaluate the efficiency of different advanced oxidation processes (AOP) for the degradation of the mixture textile dyes in solution. After optimization of the main parameters involved in the applied processes and systems, the AOP with greater efficiency in the degradation of the compounds was the photo-Fenton/UV-C (92%) after 360 min of treatment. The experimental data showed a better fit to the Chan and Chu kinetic model and trough an evaluation using artificial neural networks it was possible to predict the maximum degradation achievable by the dye mixture. The toxicity assays, using multiple species of seeds indicated a treated solution with no toxic effects and that the applied methodology can be used without affecting the water resources.

Comparison of three advanced oxidation processes for degradation of textile dyes

2000 ◽  
Vol 42 (5-6) ◽  
pp. 345-354 ◽  
Author(s):  
R. Aplin ◽  
T.D. Waite
Keyword(s):  
Reaction Mechanisms ◽  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Textile Dyes ◽  
Textile Dye ◽  
Optimum Conditions ◽  
Oxidation Processes ◽  
Nacl Concentration ◽  
Initial Ph ◽  
Fenton's Process

This paper examines the use of three advanced oxidation processes in degrading the textile dye, Reactive Red 235. The dye was oxidised using ozonation, standard Fenton's reagent (Fe2+/H2O2) and a modified photo-Fenton's process (UV/Fe oxalate/H2O2) under a variety of conditions. The effects of initial dye concentration, initial pH and NaCl concentration were studied for each process. Each process was found to have different optimum conditions as determined by the underlying reaction mechanisms.

scholarly journals Degradation of red 5B and reactive blue 5G dyes in synthetic textile dye effluent by photo-fenton process

2018 ◽  
Vol 43 (1SI) ◽  
pp. 62
Author(s):  
Leandro Finger ◽  
Poliana Paula Quitaiski ◽  
Juliana Bortoli Rodrigues Mees ◽  
Ismael Laurindo Costa Junior
Keyword(s):  
Advanced Oxidation Processes ◽  
Advanced Oxidation ◽  
Textile Dye ◽  
Fenton Process ◽  
Oxidation Processes ◽  
First Order ◽  
Textile Dye Effluent ◽  
Synthetic Solution ◽  
Percentage Removal ◽  
Dyes Removal

Effluents from textile industries are difficult to treat because they are loaded with non-biodegradable dyes. In this context, the Advanced Oxidation Processes (AOPs) are presented as alternatives to be studied for the treatment of these effluents. The objective of this work was to evaluate the efficiency of the removal of red 4B and 5G blue dyes in synthetic solution by means of the advanced oxidation Photo-Fenton. The best pH for removal of Red 4B was pH 3 and for Blue 5G dye was pH 1.6. The obtained results report a good removal when using H2O2 and Fe2+. With a H2O2 concentration of 66.80 mg L-1, Fe2+ of 9.66 mg.L-1 and pH 5.81 with a predicted percentage removal of 100.01% for Red 4B dye. And for Blue Reactive 5G dye a concentration of H2O2 of 55,04 mg L-1, Fe2+ of 10.34 mg L-1 and pH 2.59 with an expected percentage removal of 100,56%. The kinetics was that pseudo-first order with k1 of 0,597 min-1 and t1/2 of 1,16 min for red 4B and k1 of 0,150 min-1 and t1/2 of 4,60 for blue 5G. The results indicate the application of photo-fenton  as promising for the dyes removal in aqueous solutions.

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