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Abel Riaza-Frutos, Agata Egea-Corbacho, Manuel A. Manzano and José María Quiroga
In today?s industries, a diversity of processes give rise to increasing numbers of non-biodegradable compounds that need to be degraded totally or transformed to other less toxic and/or more biodegradable compounds, before their discharge into the enviro...
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Karla Y. Mora-Bonilla, Iván F. Macías-Quiroga, Nancy R. Sanabria-González and María T. Dávila-Arias
The present study investigated the degradation of an aqueous Allura Red AC (AR?AC) solution by activating hydrogen peroxide with bicarbonate using cobalt ion (Co2+) as the catalyst. Four independent variables (H2O2, NaHCO3, Co2+, and dye concentrations) ...
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Ahsin Pramugani, Toshiyuki Shimizu, Shinpei Goto, Teti Armiati Argo and Satoshi Soda
The batik industry generates large amounts of highly colored wastewater. Azo dyes in batik wastewater can cause environmental pollution. In this study, synthetic batik wastewater containing 32 mg/L Reactive Black 5 (RB5) and 32 mg/L Reactive Orange 16 (R...
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Marcel G. Clerc, Gregorio González-Cortés, Paulina I. Hidalgo, Lucciano A. Letelier, Mauricio J. Morel and Jorge Vergara
The use of dye-doped liquid crystals allows the amplification of the coupling of light and liquid crystals. Light can induce the self-organization of the molecular order. The appearance of ring patterns has been observed, which has been associated with p...
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Ramasamy Krishnamoorthy, Aritra Roy Choudhury, Polpass Arul Jose, Kathirvel Suganya, Murugaiyan Senthilkumar, James Prabhakaran, Nellaiappan Olaganathan Gopal, Jeongyun Choi, Kiyoon Kim, Rangasamy Anandham and Tongmin Sa
Discharge of untreated wastewater is one of the major problems in various countries. The use of azo dyes in textile industries are one of the key xenobiotic compounds which effect both soil and water ecosystems and result in drastic effect on the microbi...
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Xian Cao, Xiaoqi Li, Hui Wang, Jingran Zhang, Zhou Fang, Xianning Li
Pág. 1 - 11
Three-dimensional biofilm electrode reactors (3D-BERs) were constructed to degrade the azo dye Reactive Brilliant Red (RBR) X-3B. The 3D-BERs with different influent concentrations and external voltages were individually studied to investigate their infl...
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Xian Cao, Xiaoqi Li, Hui Wang, Jingran Zhang, Zhou Fang and Xianning Li
Three-dimensional biofilm electrode reactors (3D-BERs) were constructed to degrade the azo dye Reactive Brilliant Red (RBR) X-3B. The 3D-BERs with different influent concentrations and external voltages were individually studied to investigate their infl...
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Dreidy Vásquez, Oscar Jerez, Rodrigo Schrebler, Carlos Carlesi, Danilo Carvajal, Nelson Cáceres, Ricardo Schrebler
Pág. 141 - 151
A high-frequency induction heater was used to sinter titanium dioxide thin film on stainless steel plates with the aim of being used as photo-electrodes in wastewaters treatment. To validate the use of this sintering technique, the electrodes were prepar...
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Mihaela Belouhova, Yana Topalova
Pág. Page:309 - 318Abstrac
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John Kyriakopoulos, Eleana Kordouli, Kyriakos Bourikas, Christos Kordulis and Alexis Lycourghiotis
The majority of the photocatalysts studied for azo-dye degradation are based on semiconductor materials. Studies reported on non-semiconducting materials are very scarce. In the present work, we studied the fullerene (C60) ability to accelerate photodegr...
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Jéssica Luiza Bueno Trevizani, André Nagalli, Fernando Hermes Passig, Karina Querne de Carvalho, Gilson Júnior Schiavon, Adriana Neres de Lima Model (Author)
Pág. e35436
Ozone application has been generally reported based only on the oxidation of textile dyes. In this study, a central composite design and surface response methodology were applied to optimize operational parameters pH and concentration of the dye in the d...
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Jéssica Luiza Bueno Trevizani, André Nagalli, Fernando Hermes Passig, Karina Querne de Carvalho, Gilson Júnior Schiavon, Adriana Neres de Lima Model
Pág. e35436
Ozone application has been generally reported based only on the oxidation of textile dyes. In this study, a central composite design and surface response methodology were applied to optimize operational parameters pH and concentration of the dye in the d...
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Ramiro Escalera Vásquez,Uli Nicol Hosse Pastor,Pablo Marcelo Pérez García
This paper deals with the in-situ electrochemical oxidation of Reactive Black 5 (RB-5), Reactive Blue 19 (RB-19) and Allura Red AC (AR-AC), using commercial steel wool as electrodes. At the optimal conditions (18 V and NaOH 0.33M), the decolorization of ...
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Lidia Brizola Santos, Fernando Santos Domingues, Fernando Rosseto, Vitor de Cinque Almeida, Juliana Carla Garcia, Nilson Evelázio de Souza
Pág. 387 - 392
The Adsorptive Cathodic Stripping Voltammetry (ACSV - differential pulse) proved to be an efficient method in the separation and quantification of two reactive textile dyes, Procion Yellow (PY) and Procion Red (PR), each containing two azo groups as chro...
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Pablo Marcelo Pérez García,Sandra L. Ibáñez-Calero,Ramiro Escalera Vásquez
This study investigated the use of ferrate ? hypochlorite solution or solid Ca(OCl)2 as treatment options to remove color and COD from solutions of the synthetic organic dyes: Reactive blue 19, Allura red and Reactive black 5. It was found that doses aro...
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Marwa El-Azazy, Sarra N. Dimassi, Ahmed S. El-Shafie and Ahmed A. Issa
Titan yellow (TY), a triazene azo dye, was removed from contaminated wastewater samples using a green adsorbent recycled from Aloe vera leaves (AV) waste. Two adsorbents were developed?air-dried Aloe vera (ADAV) and thermally treated Aloe vera (TTAV). Ad...
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Uzma Ramzan, Farah Rauf Shakoori, Muhammad Tariq Zahid, Waqar Majeed, Itrat Zahra, Syed Zaghum Abbas, Amor Hedfi, Sabry Hassan, Abdul Rauf Shakoori and Abdullah Al Mutery
Azo dyes in textile industry effluent are one of the major toxic contaminants causing a severe threat to life. Bioremediation is the most cost-effective and environmentally beneficial innovative biotechnologically technique used to mitigate dyes? toxic e...
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