The influence of membrane charge and porosity upon fouling and cleaning during the ultrafiltration of orange juice

Autor: Nurul Hainiza Abd-Razak, Tiina Virtanen, Y.M. John Chew, Michael R. Bird, Arto Pihlajamäki

Publikováno v: Abd-Razak, N H, Pihlajamäki, A, Virtanen, T, John Chew, Y M & Bird, M R 2021, ' The influence of membrane charge and porosity upon fouling and cleaning during the ultrafiltration of orange juice ', Food and Bioproducts Processing, vol. 126, pp. 184-194 . https://doi.org/10.1016/j.fbp.2021.01.009

The ultrafiltration of orange juice has been performed to separate phytosterols from proteins. Commercial regenerated cellulose acetate (RCA) ultrafiltration membranes of different molecular weight cut offs (MWCOs) of 10 kDa, 30 kDa and 100 kDa were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d055263991ce169b4eb809e32e05c2b
https://doi.org/10.1016/j.fbp.2021.01.009

Preparation of cellulose-rich membranes from wood: effect of wood pretreatment process on membrane performance

Autor: Mari Kallioinen, Ikenna Anugwom, Liisa Puro, Tiina Virtanen, Mika Mänttäri, Anastasiia Lopatina, Mohammadamin Esmaeili

In this study cellulose-rich membranes were fabricated from untreated and treated hardwood biomass solutions in 1-ethyl-3-methylimidazolium acetate ([Emim][OAc])—dimetylsulfoxide (DMSO) system via wet phase separation. Wood treatment methods aimed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::588298fd42c6629b47780b24391818db
https://lutpub.lut.fi/handle/10024/161641

Characterization of membrane–foulant interactions with novel combination of Raman spectroscopy, surface plasmon resonance and molecular dynamics simulation

Autor: Tiina Virtanen, Jussi Lahti, Petteri Parkkila, Mika Mänttäri, Tapani Viitala, Alex Bunker, Artturi Koivuniemi, Mari Kallioinen

Publikováno v: Separation and Purification Technology. 205:263-272

Adsorptive fouling, by phenolic compounds, is a serious issue regarding the development and use of membrane based filtration technologies for water purification and wastewater treatment. We have developed a novel, combined, protocol of Raman spectros

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97ae140ab626eebc8076bf62fad881a3
https://doi.org/10.1016/j.seppur.2018.05.050

Real-time fouling monitoring with Raman spectroscopy

Autor: Mari Kallioinen, Tiina Virtanen, Tapani Viitala, Martin Kögler, Satu-Pia Reinikainen, Mika Mänttäri

Publikováno v: Journal of Membrane Science. 525:312-319

The possibility to detect and identify early stage membrane fouling in real-time is a key to understand fouling phenomena. In this study normal Raman spectrocopy was explored as a novel online tool for monitoring membrane fouling. Raman spectra were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac1f666ebce41ac4af42993a1c9e6936
https://doi.org/10.1016/j.memsci.2016.12.005

Visual tool for real-time monitoring of membrane fouling via Raman spectroscopy and process model based on principal component analysis

Autor: Mari Kallioinen, Jussi Lahti, Satu-Pia Reinikainen, Mika Mänttäri, Tiina Virtanen

Publikováno v: Scientific Reports
Scientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)

Membrane fouling, i.e. accumulation of unwanted material on the surface of the membrane is a significant problem in filtration processes since it commonly degrades membrane performance and increases operating costs. Therefore, the advantages of early

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b5768d5e779ea03b6135aa4eb9180d2
https://pubmed.ncbi.nlm.nih.gov/30038320