Investigation on Performance of PDMS-Graphene/PES Hybrid Membrane for Pervaporative Separation of Phenol from Aqueous Streams. Issue 3 (11th February 2019)

• Record Type: Journal Article
• Authors: Rahmani, Saqar; Mortaheb, Hamid Reza; Omidkhah, Mohammad Reza; Khodadadi Dizaji, Azam
• Is Part Of: Polymer-plastics technology and materials. Volume 58:Issue 3(2019)
• Page Start: 305
• Page End: 315
• Publication Date: 2019-02-11
• Subjects: Composite membrane -- graphene nanosheet -- hybridizing -- pervaporation -- phenol; Polymers -- Periodicals; Polymerization -- Periodicals; Plastics -- Periodicals; Plastics; Polymerization; Polymers; Periodicals; 668
• DOI: 10.1080/03602559.2018.1471712
• Languages: English
• ISSNs: 2574-0881

Abstract

ABSTRACT: The pervaporative performances of pristine polydimethylsiloxane (PDMS) membrane and modified one by hybridizing with graphene nanosheets (PDMS-G) were evaluated for phenol removal from aqueous solutions. The incorporation of hydrophobic graphene nanosheets could enhance the process performance. The optimum performance was determined at 0.2 wt% crosslinker concentration and 0.2 wt% graphene content with a significant improvement in the separation factor up to 42.35. The enhanced separation factor can be attributed to optimized interfacial free volume in the structure of the membranes and formation of π-π interactions between graphene and phenol. The effects of operating parameters on separation performance were also evaluated. GRAPHICAL ABSTRACT: