直接滲透程序可行性評估

Chia Nan University of Pharmacy & Science Institutional Repository > 嘉南學報 > 38 期 (2012) > Item 310902800/26825

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標題:	直接滲透程序可行性評估 Feasibility Study of Forward osmosis process
作者:	劉柄樟林柏蔭林易鋒沈弘翊熊靖瑞賴振立
貢獻者:	嘉南藥理科技大學環境工程與科學系
關鍵字:	直接滲透醋酸纖維水回收 Forward osmosis cellulose acetate water recovery
日期:	2012-12
上傳時間:	2013-08-14 10:42:08 (UTC+8)
摘要:	直接滲透技術(Forward osmosis , FO)已被應用在多種分離程序，如廢水處理、食物處理、海水淡化或微鹹水回收。FO 是利用高滲透壓差，將水從進料端透過一個親水膜到吸引溶液的過程。本研究製備適用於FO 薄膜技術之醋酸纖維 (Cellulose acetate, CA) 親水性非對稱膜，並藉由效率佳且耗能少的FO 薄膜技術，應用於水回收技術，使FO 程序更具效益。CA 以濕式法製備平板膜，以FO系統進行透水率測試，透水率可達16.76kg/m2hr。 Forward osmosis (FO), has new applications in separation processes for wastewater treatment, food processing, and seawater/brackish water desalination. Through osmosis, water is transported from the mixed liquor across a hydrophilic membrane, and into a draw solution with a higher osmotic pressure. The main objective of this project is to prepare some membranes suitable for the FO process applies in the water recovery technology, thin and high water-selective. Thin and porous cellulose acetate (CA) composite membranes will be prepared. By conducting the batch FO process, the water flux and salt rejection for the prepared membrane were measured. It was found that the investigation of forward osmosis by 20 wt% CA membrane water flux was 16.76kg/m2hr.
關聯:	嘉南學報(科技類) 38期：p.171-175
显示于类别:	[嘉南學報] 38 期 (2012) [環境工程與科學系(所)] 期刊論文

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