Zobrazeno 1 - 10
of 135
pro vyhledávání: '"G. Peev"'
Publikováno v:
Separation and Purification Technology. 192:271-277
It is established that from well selected spent coffee grounds by water extraction and subsequent extract nanofiltration one can obtain valuable products as permeate and retentate fractions. The obtained permeate is of high caffeine concentration and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc49db355918fa4bf119ac35787a2d2e
https://doi.org/10.1016/j.seppur.2017.10.021
https://doi.org/10.1016/j.seppur.2017.10.021
Publikováno v:
physica status solidi (a). 212:1527-1532
The interest in CVD of two-component and multicomponent layers is due to their application and advantage over the mono-component ones established in various cases. The syntheses of new metal–organic compounds offer possibilities for such deposition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d1c34d86d142f5ba9d916dcafeac75a
https://doi.org/10.1002/pssa.201532339
https://doi.org/10.1002/pssa.201532339
Autor:
I. Tsibranska, G. Peev
Publikováno v:
Physics Procedia. 46:183-192
In some CVD processes the precursor is introduced into the reactor as vapor obtained by sublimation from particles of solid source forming packed bed in a column, where through a carrier gas passes. A typical example is the deposition of metal or met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fd07b89020ee1b8e7938a6138e51e4d
Publikováno v:
Food and Bioproducts Processing. 89:307-314
In the present study experimental results on the nanofiltration of ethanolic extracts from Sideritis ssp. L. are reported, regarding polyphenols and flavonoids concentration and solvent reuse. Three membranes, resistant to organic solvents, have been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e4471ff111e553abcf1f3f415452c88
https://doi.org/10.1016/j.fbp.2010.11.003
https://doi.org/10.1016/j.fbp.2010.11.003
Publikováno v:
Chemical Engineering Research and Design. 89:318-327
The present investigation revealed the potential benefits of nanofiltration application in herbal extracts processing. Nanofiltrations of modelling solution of caffeic and rosmarinic acid in ethanol and ethanolic rosemary extract were carried out in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::908aa6471cd3e079347edce922d5412f
https://doi.org/10.1016/j.cherd.2010.07.002
https://doi.org/10.1016/j.cherd.2010.07.002
Publikováno v:
Chemical Engineering and Processing: Process Intensification. 49:616-621
The mass transfer from the surface of a horizontal rotating disk into a film flow of shear thinning liquid on the disk has been theoretically and experimentally investigated. Dissolution of gypsum in two aqueous polymer solutions has been used for th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::716b2c5822b6107ebd48b59f7f80a04e
https://doi.org/10.1016/j.cep.2010.04.010
https://doi.org/10.1016/j.cep.2010.04.010
Autor:
G. Peev, Boryana Trusheva, Bartosz Tylkowski, Marta Giamberini, Vassya Bankova, Agnessa Nikolova
Publikováno v:
Journal of Membrane Science. 348:124-130
Propolis is a natural product, rich in biologically active compounds. In the recent years the product is extensively used in food and medical applications. This investigation reports results on the extraction of these compounds with an ethanol–wate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fe74c90b0e3783f19481b275e7f506b
https://doi.org/10.1016/j.memsci.2009.10.049
https://doi.org/10.1016/j.memsci.2009.10.049
Publikováno v:
Chemical Engineering and Processing: Process Intensification. 48:823-827
A mathematical model for the mass transfer in radial nonwavy film flow of shear thinning power law liquid on a horizontal rotating disk has been assumed. Numerical simulations of the model are compared with experimental results for oxygen desorption
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcd7ac45db6f6a1c55fcf8e156bd56e4
https://doi.org/10.1016/j.cep.2008.10.006
https://doi.org/10.1016/j.cep.2008.10.006
Publikováno v:
Heat and Mass Transfer. 43:843-848
An analytical model for the rate of gas absorption into laminar non-wavy film flow on a horizontal rotating disk is obtained assuming short contact times. Literature data for the oxygen mass transfer coefficient in a wavy film is correlated by means
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fd317784aa7bc5e5f0e0157cf4f7b65
https://doi.org/10.1007/s00231-006-0222-7
https://doi.org/10.1007/s00231-006-0222-7