TY - JOUR
T1 - Crosslinked cellulose thin film composite nanofiltration membranes with zero salt rejection
AU - Puspasari, Tiara
AU - Neelakanda, Pradeep
AU - Peinemann, Klaus-Viktor
N1 - KAUST Repository Item: Exported on 2020-10-01
PY - 2015/5/14
Y1 - 2015/5/14
N2 - We report a new synthetic route of fabricating regenerated cellulose nanofiltration membranes. The membranes are composite membranes with a thin selective layer of cellulose, which was prepared by regeneration of trimethylsilyl cellulose (a hydrophobic cellulose derivative) film followed by crosslinking. Filtration experiments using mixtures of sugar and sodium chloride showed that solutes above 300 Da were highly rejected whereas practically no rejection was observed for NaCl. This is a big advantage for a complete desalination as the existing commercial nanofiltration membranes typically exhibit NaCl rejection in the range of 30–60%. Membranes with zero NaCl rejection are required for recovery and purification applications in food, chemical and pharmaceutical industry.
AB - We report a new synthetic route of fabricating regenerated cellulose nanofiltration membranes. The membranes are composite membranes with a thin selective layer of cellulose, which was prepared by regeneration of trimethylsilyl cellulose (a hydrophobic cellulose derivative) film followed by crosslinking. Filtration experiments using mixtures of sugar and sodium chloride showed that solutes above 300 Da were highly rejected whereas practically no rejection was observed for NaCl. This is a big advantage for a complete desalination as the existing commercial nanofiltration membranes typically exhibit NaCl rejection in the range of 30–60%. Membranes with zero NaCl rejection are required for recovery and purification applications in food, chemical and pharmaceutical industry.
UR - http://hdl.handle.net/10754/555638
UR - http://linkinghub.elsevier.com/retrieve/pii/S0376738815004044
UR - http://www.scopus.com/inward/record.url?scp=84930640217&partnerID=8YFLogxK
U2 - 10.1016/j.memsci.2015.05.002
DO - 10.1016/j.memsci.2015.05.002
M3 - Article
SN - 0376-7388
VL - 491
SP - 132
EP - 137
JO - Journal of Membrane Science
JF - Journal of Membrane Science
ER -