Performance of polycaprolactone/TiO2 composite membrane for the effective treatment of dairy effluents

This work is the first, to the best of our knowledge, to use polycaprolactone (PCL)-based membrane for the treatment of dairy wastewater. PCL is a biodegradable polymer with high biocompatibility and good oil resistance. The chlorine tolerance analysis of PCL-based membranes exhibited a good toleran...

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Autores principales:	Sankar Nivedita, Shiny Joseph
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	dairy effluent electrophoresis hydrophilicity membrane polycaprolactone ultrafiltration Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/d83e16238ff84f5ea5bb1a80733a495d
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spelling	oai:doaj.org-article:d83e16238ff84f5ea5bb1a80733a495d2021-11-06T11:05:36ZPerformance of polycaprolactone/TiO2 composite membrane for the effective treatment of dairy effluents0273-12231996-973210.2166/wst.2021.143https://doaj.org/article/d83e16238ff84f5ea5bb1a80733a495d2021-05-01T00:00:00Zhttp://wst.iwaponline.com/content/83/10/2477https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732This work is the first, to the best of our knowledge, to use polycaprolactone (PCL)-based membrane for the treatment of dairy wastewater. PCL is a biodegradable polymer with high biocompatibility and good oil resistance. The chlorine tolerance analysis of PCL-based membranes exhibited a good tolerance against chlorine. The PCL/TiO2 nanocomposite membrane with the addition of polyethylene glycol was prepared and tested for protein separation. The dependency of contact angle with time was analysed for the membrane, and the contact angle value reduced from 74.5 ± 2° to a steady value of 65 ± 2° in 120 s. The proteins were removed using a cross-flow filtration unit at an operating pressure of 0.4 MPa at room temperature with permeate flux of 10 L/m2 h and a relative permeate flux of about 0.10. The removal of proteins was measured qualitatively using native polyacrylamide gel electrophoresis (PAGE) and quantitatively using Lowry's test. A percentage rejection of 97.6 was obtained and the native PAGE showed the complete removal of all the major proteins present in the milk sample. HIGHLIGHTS Preparation of biodegradable polymer-based composite membrane using phase inversion technique.; Application of the prepared membrane for milk protein removal from synthetic dairy wastewater.; Qualitative analysis of protein rejection using native polyacrylamide gel electrophoresis (PAGE) and quantitative analysis using Lowry's test.; Chlorine tolerance analysis of the polycaprolactone membrane for the industrial application.;Sankar NiveditaShiny JosephIWA Publishingarticledairy effluentelectrophoresishydrophilicitymembranepolycaprolactoneultrafiltrationEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 83, Iss 10, Pp 2477-2485 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	dairy effluent electrophoresis hydrophilicity membrane polycaprolactone ultrafiltration Environmental technology. Sanitary engineering TD1-1066
spellingShingle	dairy effluent electrophoresis hydrophilicity membrane polycaprolactone ultrafiltration Environmental technology. Sanitary engineering TD1-1066 Sankar Nivedita Shiny Joseph Performance of polycaprolactone/TiO2 composite membrane for the effective treatment of dairy effluents
description	This work is the first, to the best of our knowledge, to use polycaprolactone (PCL)-based membrane for the treatment of dairy wastewater. PCL is a biodegradable polymer with high biocompatibility and good oil resistance. The chlorine tolerance analysis of PCL-based membranes exhibited a good tolerance against chlorine. The PCL/TiO2 nanocomposite membrane with the addition of polyethylene glycol was prepared and tested for protein separation. The dependency of contact angle with time was analysed for the membrane, and the contact angle value reduced from 74.5 ± 2° to a steady value of 65 ± 2° in 120 s. The proteins were removed using a cross-flow filtration unit at an operating pressure of 0.4 MPa at room temperature with permeate flux of 10 L/m2 h and a relative permeate flux of about 0.10. The removal of proteins was measured qualitatively using native polyacrylamide gel electrophoresis (PAGE) and quantitatively using Lowry's test. A percentage rejection of 97.6 was obtained and the native PAGE showed the complete removal of all the major proteins present in the milk sample. HIGHLIGHTS Preparation of biodegradable polymer-based composite membrane using phase inversion technique.; Application of the prepared membrane for milk protein removal from synthetic dairy wastewater.; Qualitative analysis of protein rejection using native polyacrylamide gel electrophoresis (PAGE) and quantitative analysis using Lowry's test.; Chlorine tolerance analysis of the polycaprolactone membrane for the industrial application.;
format	article
author	Sankar Nivedita Shiny Joseph
author_facet	Sankar Nivedita Shiny Joseph
author_sort	Sankar Nivedita
title	Performance of polycaprolactone/TiO2 composite membrane for the effective treatment of dairy effluents
title_short	Performance of polycaprolactone/TiO2 composite membrane for the effective treatment of dairy effluents
title_full	Performance of polycaprolactone/TiO2 composite membrane for the effective treatment of dairy effluents
title_fullStr	Performance of polycaprolactone/TiO2 composite membrane for the effective treatment of dairy effluents
title_full_unstemmed	Performance of polycaprolactone/TiO2 composite membrane for the effective treatment of dairy effluents
title_sort	performance of polycaprolactone/tio2 composite membrane for the effective treatment of dairy effluents
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/d83e16238ff84f5ea5bb1a80733a495d
work_keys_str_mv	AT sankarnivedita performanceofpolycaprolactonetio2compositemembranefortheeffectivetreatmentofdairyeffluents AT shinyjoseph performanceofpolycaprolactonetio2compositemembranefortheeffectivetreatmentofdairyeffluents
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Performance of polycaprolactone/TiO2 composite membrane for the effective treatment of dairy effluents

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