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Fabrication of Cellulose Triacetate Hollow Fiber Membranes for Forward Osmosis-Nanofiltration

Fabrication of Cellulose Triacetate Hollow Fiber Membranes for Forward Osmosis-Nanofiltration

Se Jong Kim, Jeong Woo Lee, Sang Yong Nam

J Nanosci Nanotechnol. 2018 Sep 1;18(9):6180-6188.

PMID: 29677764

Abstract:

In this study, hollow fiber membranes for forward osmosis using cellulose triacetate were prepared using the non-solvent phase separation method, and the water purification properties of the prepared membranes were tested. In order to optimize the membrane morphology, which affects the membrane performance, 1,4-dioxane and lithium chloride were used as additives. Using the forward osmosis process, the properties of the membrane were investigated according to changes in the factors such as the salt type, salt concentration, and solution temperature. In the nanofiltration process, the water flux was found to increase and the salt rejection to decrease with increasing air gaps, regardless of the type of salt. In contrast, in the forward osmosis process, the water flux increased and the solute rejection value increased in a manner similar to the increasing concentration of solute.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP9012093	Cellulose triacetate		9012-09-3	Price

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