Enhancement of supercritical fluid extraction in membrane cleaning process by addition of organic solvents
Jan Krzysztoforski , Andrzej Ryszard Krasiński , Marek Henczka , Wojciech Piątkiewicz
AbstractIn this study, the process of membrane cleaning by supercritical fluid extraction was investigated. Polypropylene microfiltration membranes, contaminated with oils, were treated in a batch process with a supercritical fluid (SCF). As extractant, pure supercritical carbon dioxide or supercritical carbon dioxide with admixtures of methanol, ethanol and isopropanol were used. Single-stage and multi-stage extraction was carried out and process efficiency was determined. The obtained results showed that addition of organic solvents significantly enhances the cleaning performance, which increases with increase of organic solvent concentration and decreases with increasing temperature. All three solvents showed a comparable effect of efficiency enhancement. The results confirmed that supercritical fluid extraction can be applied for polypropylene membrane cleaning.
|Journal series||Chemical and Process Engineering , [Inżynieria Chemiczna i Procesowa], ISSN 0208-6425|
|Publication size in sheets||0.55|
|Keywords in Polish||płyn nadkrytyczny, wydobycie, membrana porowata|
|Keywords in English||supercritical fluid, extraction, porous membrane, TIPS|
|Score|| = 15.0, 11-05-2020, ArticleFromJournal|
= 15.0, 11-05-2020, ArticleFromJournal
|Publication indicators||= 5; = 4; = 7.0; : 2013 = 0.622; : 2013 = 0.467 (2) - 2013=0.408 (5)|
|Citation count*||7 (2020-09-07)|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.