Abstract: Preparation of
cellulose acetate (CA)
membranes with ultrafiltration process
had be done
by phase inversion using
dimethylformamide (DMF) as
solvent. Poliethylene glycol
(PEG) 1450 Da, as additive,
was added with 10, 20, and 30% rasio of celluose acetate. The thin film of polymer solution was immersed on
water bath coagulation at room temperature. The analysis of membrane
morphology structure by
Scanning Electron Microscope
(SEM) JSM –
5310 LV, Jeol-Japan showed
the asymetric of
membrane. The addition
of PEG can
improve the performance of
the membrane. In
resulting flux is
higher than membranes
without PEG. Increasing of PEG/CA
ratio resulted in the higher flux with lower of rejection. The higher fluxes of
water, dextran, and BSA are 146, 114, and 96 L/m2hr with 52,938 and 75,716%
rejection for dextran and BSA.
Keywords: cellulose acetate
membranes, polyethylene glycol, ultrafiltration
Penulis: Cut Meurah Rosnelly
Kode Jurnal: jpkimiadd120037
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