Results 41 to 50 of about 13,308 (202)

Hydrophobic Pervaporation

Annals of the New York Academy of Sciences, 2003
Abstract: Pervaporation is a relatively new technology. Although hydrophilic pervaporation has become established, hydrophobic pervaporation for recovery of organics from water has not been a commercial success. Technologic reasons for this are suggested.
Field, R, Lobo, V
openaire   +2 more sources

PERFORMANCE OF MEMBRANES CROSSLINKED WITH GLUTARALDEHYDE IN PERVAPORATION SEPARATION

ASEAN Journal on Science and Technology for Development, 2017
Chitosan membranes crosslinked with glutaraldehyde (GA) were prepared through a solution method, where the dry homogeneous chitosan membranes were immersed into the reaction solutions containing 1.25 x 10-3 wt. % of glutaraldehyde (GA). The extent of the
S.H. Tan, A.L. Ahmad, M.G. Mohd. Nawawi, H. Hassan   +3 more
doaj   +1 more source

Phase separation phenomena in solutions of polysulfone in mixtures of a solvent and a nonsolvent: relationship with membrane formation [PDF]

, 1985
The phase separation phenomena in ternary solutions of polysulfone (PSf) in mixtures of a solvent and a nonsolvent (N,N-dimethylacetamide (DMAc) and water, in most cases) are investigated. The liquid-liquid demixing gap is determined and it is shown that
Kant, J., Mulder, M.H.V., Smolders, C.A., Wijmans, J.G.   +3 more
core   +3 more sources

A new PDMS-b-PPO block copolymer membrane with novel non-perforated structure towards high flux for alcohol permselective pervaporation

eXPRESS Polymer Letters, 2015
The effective permselective pervaporation of alcohol is one of key technology for bio-alcohol industrial production. In this work, a new polydimethylsiloxane-block-polyphenylene oxide (PDMS-b-PPO) copolymer was first synthesized by a bridge reagent ...
W. Liu, H. X. Guo, S. L. Ji, H. J. Niu, J. R. Li   +4 more
doaj   +1 more source

N-Propanol Dehydration with Distillation and Pervaporation: Experiments and Modelling

Membranes, 2022
This work is motivated by a fine chemical industry task where n-propanol should be separated from its aqueous mixture. To accomplish this problem, the pervaporation process intends to apply PERVAP™ 1201 type dehydration membranes and to obtain ...
Andras Jozsef Toth
doaj   +1 more source

pervaporation

, 2014
Citation: 'pervaporation' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.PT06892 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +2 more sources

Green synthesis of vanillin: Pervaporation and dialysis for process intensification in a membrane reactor [PDF]

, 2019
In the present work, two different membrane processes (pervaporation and dialysis) are compared in view of their utilization in a membrane reactor, where vanillin, which is probably the most important aroma of the food industry, is synthesized in a green
Camera-Roda G., Loddo V., Palmisano L., Parrino F.   +3 more
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Analytical methods in wineries: is it time to change? [PDF]

, 2005
A review of the methods for the most common parameters determined in wine—namely, ethanol, sulfur dioxide, reducing sugars, polyphenols, organic acids, total and volatile acidity, iron, soluble solids, pH, and color—reported in the last 10 years is ...
Andersen S. K., Anon, Arnes S., Belton P. S., Bi L. J., Billingsley A., Cardwell T. J., Cardwell T. J., Chen S. G., Chmilenko F. A., Cserhati T., Dai G. S., Dell´Oro V., Edberg U., Escobal A., Fang G. Z., Feng Z., Ga R. D., Gao Z. F., González-Rodríguez J., Guan J. R., Hu J. Y., J. González-Rodríguez, Kaufmann A., Kawamura Y., Kosir I. J., Kupina S. A., Lodi G., Luo H. Q., M. D. Luque de Castro, Mannino S., Miao J. G., Mou S., Olalla M., P. Pérez-Juan, Patz C. D., Polo M. C., Rapp A., Ribereau-Gayon J., Scollary G. R., Sebecic B., Vereda-Alonso E., Wang J. H., Wang J. S., Wang X. H., Wu X., Wu X. L., Yan J., Yu H., Zhang W., Zhang W., Zhou H.   +51 more
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Analysis of Aroma Characteristics of Pervaporation Wine Spirit from Different Grape Varieties and the Separation and Enrichment Rules of Pervaporized Spirits

Shipin gongye ke-ji
To investigate the stylistic characteristics and enrichment patterns of aroma substances in pervaporation spirits from nine different grape varieties, this study employed headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-
Xiaoyu XU, Qiuwen CHEN, Chifang CHENG, Guofang DANG, Ying SHI, Changqing DUAN, Yibin LAN   +6 more
doaj   +1 more source

Determination of ethanol in beverages by flow injection, pervaporation and density measurements [PDF]

, 2003
A fast, clean and easy to automate flow injection-pervaporation method for the determination of ethanol in different beverages using density measurements is proposed.
Gonzalez-Rodriguez, Jose, Luque de castro, Maria dolores, perez juan, pedro   +2 more
core   +1 more source