TY - JOUR
T1 - Protein mediated textile dye filtration using graphene oxide-polysulfone composite membranes
AU - Mokkapati, V. R.S.S.
AU - Koseoglu Imer, Derya Yuksel
AU - Yilmaz, Nurmiray
AU - Ozguz, Volkan
AU - Koyuncu, Ismail
N1 - Publisher Copyright:
© The Royal Society of Chemistry 2015.
PY - 2015/8/10
Y1 - 2015/8/10
N2 - Here we report graphene oxide (GO) concentration dependent protein binding (BSA) and dye filtration (RO-16) capabilities of polysulfone-GO composite membranes under different pH conditions (2, 7 and 10). The membranes were fabricated with different GO concentrations (1, 2, 4 and 8% w/w) and were successfully characterized for their physical and chemical properties, as well as for their performance ability. The best BSA binding and dye rejection rates were observed with 2% GO membrane at pH = 10, which were 95% and 78.26% respectively, suggesting that 2% is the optimal concentration. Further, considering the fact that RO-16 dye is acidic friendly, contact time studies were carried out with 2% GO membranes at pH = 2 and pH = 10. It was observed that 2% GO-polysulfone membrane at pH = 2 shows the highest dye rejection rate of 87.4%, supporting the importance of contact time in filtration technology.
AB - Here we report graphene oxide (GO) concentration dependent protein binding (BSA) and dye filtration (RO-16) capabilities of polysulfone-GO composite membranes under different pH conditions (2, 7 and 10). The membranes were fabricated with different GO concentrations (1, 2, 4 and 8% w/w) and were successfully characterized for their physical and chemical properties, as well as for their performance ability. The best BSA binding and dye rejection rates were observed with 2% GO membrane at pH = 10, which were 95% and 78.26% respectively, suggesting that 2% is the optimal concentration. Further, considering the fact that RO-16 dye is acidic friendly, contact time studies were carried out with 2% GO membranes at pH = 2 and pH = 10. It was observed that 2% GO-polysulfone membrane at pH = 2 shows the highest dye rejection rate of 87.4%, supporting the importance of contact time in filtration technology.
UR - http://www.scopus.com/inward/record.url?scp=84940572438&partnerID=8YFLogxK
U2 - 10.1039/c5ra13131f
DO - 10.1039/c5ra13131f
M3 - Article
AN - SCOPUS:84940572438
SN - 2046-2069
VL - 5
SP - 71011
EP - 71021
JO - RSC Advances
JF - RSC Advances
IS - 87
ER -