The application of ozonation for the detoxification and biodegradability improvement of a textile auxiliary: Naphtalene sulphonic acid

Babuna, Fatoş Germirli; Camur, S.; Alaton, İdil Arslan; Okay, Oğuz; Iskender, Gulen

doi:10.1016/j.desal.2008.10.031

Cited by 23 publications

(1 citation statement)

References 12 publications

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“…Naphthalene sulfonic acid derivatives are used as textile auxiliaries. Some aspects of their degradation by ozone have been addressed (Babuna et al, 2009). The reaction of ozone with such compounds is moderately fast, near 10 3 M −1 s −1 , if the parent, naphthalene, is a good guide (Table 7.1).…”

Section: -T-butyl-4-methoxyphenolmentioning

confidence: 99%

Chemistry of Ozone in Water and Wastewater Treatment: From Basic Principles to Applications

Sonntag¹,

Gunten²

2012

436

738

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Timo von Gunten and Sixteen Design (www.sixteen-design.co.uk) Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the UK Copyright, Designs and Patents Act (1998), no part of this publication may be reproduced, stored or transmitted in any form or by any means, without the prior permission in writing of the publisher, or, in the case of photographic reproduction, in accordance with the terms of licenses issued by the Copyright Licensing Agency in the UK, or in accordance with the terms of licenses issued by the appropriate reproduction rights organization outside the UK. Enquiries concerning reproduction outside the terms stated here should be sent to IWA Publishing at the address printed above.The publisher makes no representation, express or implied, with regard to the accuracy of the information contained in this book and cannot accept any legal responsibility or liability for errors or omissions that may be made. DisclaimerThe information provided and the opinions given in this publication are not necessarily those of IWA and should not be acted upon without independent consideration and professional advice. IWA and the Author will not accept responsibility for any loss or damage suffered by any person acting or refraining from acting upon any material contained in this publication.

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Section: -T-butyl-4-methoxyphenolmentioning

confidence: 99%

Chemistry of Ozone in Water and Wastewater Treatment: From Basic Principles to Applications

Sonntag¹,

Gunten²

2012

436

738

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Removal of Carbamazepine, Naproxen, and Trimethoprim from Water by Amberlite XAD‐7: A Kinetic Study

Domínguez

González

Palo

et al. 2013

CLEAN Soil Air Water

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The adsorption kinetics of carbamazepine, naproxen, and trimethoprim in aqueous solution by Amberlite™ XAD‐7 has been studied. The influence of adsorbent dose (1–3 g/L), stirring rate (80–240 rpm), pH (2–9), temperature (20–60°C), and initial concentration (25–75 ppm) on the adsorption kinetics has been analyzed. The removal efficiency in the first 2 h reaches 85% for carbamazepine, 60% for naproxen, and 70% for trimethoprim. pH appears to be the most important factor conditioning the removal of these latter solutes, whereas carbamazepine adsorption seems to be independent of the pH of the adsorptive solution. Initial concentration and operation temperature moderately influence the adsorption process. Finally, stirring rate scarcely affects the process. The experimental data have been fitted to four kinetic models, namely pseudo‐first and pseudo‐second order, intra‐particle diffusion and Bangham's. The model providing the best fit is the pseudo‐second order one. Again, pH is the factor that affects the adsorption rate in a more remarkable manner although other parameters such as temperature and stirring rate also contribute to accelerate the removal of the solutes. Under the optimal operation conditions, Amberlite™ XAD‐7 exhibits a promising ability for the removal of the pharmaceuticals under study.

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Poly(N‐Isopropylacrylamide)‐Based Microgels and Their Assemblies for Organic‐Molecule Removal from Water

2012

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We review our recent efforts utilizing poly(N-isopropylacrylamide)-co-acrylic acid (pNIPAm-co-AAc) microgels and their assemblies for the removal of an azo-dye molecule, 4-(2-Hyrodxy-1-napthylazo) benzenesulfonic acid sodium salt (Orange II), from aqueous solutions. First, the ability of dispersed, single microgels to remove Orange II from aqueous solutions at room temperature is discussed. Uptake efficiency (i.e., the amount of Orange II removed from water) increased with AAc composition in the microgels, yielding a maximum uptake efficiency of 29.5% for pNIPAm microgels with 10% AAc. Assemblies of microgels (aggregates) were also investigated for their removal efficiency, which yielded a maximum uptake efficiency of 44.1% at room temperature. Removal efficiencies for the microgels and their aggregates were also monitored at elevated temperatures, and a maximum of 56.6% removal efficiency was achieved for unaggregated microgels, while aggregates were able to remove 73.1% Orange II. To further explore the impact of the microgel system's structure on function, we investigated the role microgel size in the aggregates plays on the uptake efficiency. Initial observations showed that the aggregates composed of microgels with large diameter yielded improved uptake efficiency over the aggregates composed of small diameter microgels. Langmuir sorption isotherms were fit to the data for the dye removal by the unaggregated and aggregated microgels, which showed good fits in all cases.

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The application of ozonation for the detoxification and biodegradability improvement of a textile auxiliary: Naphtalene sulphonic acid

Cited by 23 publications

References 12 publications

Chemistry of Ozone in Water and Wastewater Treatment: From Basic Principles to Applications

Chemistry of Ozone in Water and Wastewater Treatment: From Basic Principles to Applications

Removal of Carbamazepine, Naproxen, and Trimethoprim from Water by Amberlite XAD‐7: A Kinetic Study

Poly(N‐Isopropylacrylamide)‐Based Microgels and Their Assemblies for Organic‐Molecule Removal from Water

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