REVERSE OSMOTIC CONCENTRATION OF AQUEOUS 2-BUTANONE (METHYL ETHYL KETONE), TETRAHYDROFURAN AND ETHYL ACETATE SOLUTIONS

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN

EMIKO KUWAHARA¹  HARUHIKO OHYA¹  YOUICHI NEGISHI¹  MASAHIRO NIWA¹ 

[1] Department of Material Science and Chemical Engineering, Yokohama National University

关键词: Membrane Separation;    Reverse Osmosis;    Composite Membrane;    Cellulose Acetate Membrane;    2-Butanone;    Tetrahydrofuran;    Ethyl Acetate;    Membrane Constant;   

DOI  :  10.1252/jcej.21.164

来源: Maruzen Company Ltd

【 摘 要 】

References(23)Cited-By(8)Reverse osmotic concentration of aqueous MEK, THF and EAc solutions was carried out using five composite membranes (PEC-1000, FT-30 BW, FT-30 SW, NS-100 P1700, NS-100 P3500) and cellulose acetate membrane. Separation of solute and permeation through the membranes were measured under the following conditions: concentration of MEK, 1-8.2 wt%; concentration of THF, 0.7-6.3 wt%; concentration of EAc, 0.8-3.9 wt%; operating pressure, 4-6 MPa. PEC-1000 gave the best solute separation for each system. Its separation was above 97.5% for MEK system, above 99% for THF system and above 97% for EAc system. Membrane constants were calculated by the Spiegler-Kedem membrane transport model. The deviation from their model was corrected by compaction coefficients. Energy and membrane area required to concentrate aqueous MEK, THF and EAc solutions using PEC-1000 were calculated.

【 授权许可】

Unknown