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: | , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
IWA Publishing
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/d83e16238ff84f5ea5bb1a80733a495d |
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| Sumario: | 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.; |
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