Temat: emulsion droplet size - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Application of turbiscan lab to study the effect of emulsifier content on the stability of plant origin dispersion
Autorzy:: Zalewska, Anna
Kowalik, Joanna
Grubecki, Ireneusz
Powiązania:: https://bibliotekanauki.pl/articles/185345.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: emulsion
polysorbate 80
backscattered light
droplet size
stability
emulsja
polisorbat 80
rozproszone światło
rozmiar kropli
stabilność
Opis:: The effect of emulsifier volume on emulsion system stability of plant origin being the basis of diet supplements for animals in winter season was analyzed. For this purpose, measurements of the backscattered light intensity as the function of the measuring cell height were conducted with a Turbiscan LAB optical analyzer. System stability was analyzed on the basis of Turbiscan Stability Index values. A Helos laser analyzer and a Nikon Eclipse E400 POL optical microscope were used to investigate drop size distribution and analyze microscopic pictures. It was shown that emulsion with 10% (w/w) of the emulsifier was the most stable one.
Źródło:: Chemical and Process Engineering; 2019, 40, 4; 399--409
0208-6425
2300-1925
Pojawia się w:: Chemical and Process Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Chlorpyrifos Removal from Aqueous Solutions by Emulsion Liquid Membrane: Stability, Extraction, and Stripping Studies
Autorzy:: Al-Damluji, Farrah Emad
Mohammed, Ahmed A.
Powiązania:: https://bibliotekanauki.pl/articles/2202325.pdf
Data publikacji:: 2023
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: emulsion liquid membrane
chlorpyrifos
emulsion droplet size
stability
mass transfer coefficient
extraction efficiency
Opis:: The current paper focuses on assessing key parameters affecting the extraction of Chlorpyrifos as well as emulsion stability using the emulsion liquid membrane technology. Five parameters affecting the extraction have been studied: homogenizer speed, emulsification time, agitating time, surfactant concentration, and stripping phase concentration taking into consideration the emulsion breaking. Experiments proved that using the resulting optimum values will maximize both extraction and stripping efficiencies (93.8% and 94.7% respectively), while minimizing the emulsion breakage (increasing the stability of emulsion) to 0.73% with no need to employ a carrier agent. A 10 min agitating time, 3% (v/v) Span 80 as a surfactant, 12700-rpm homogenizer speed, 0.25 M HCl as an internal phase concentration, and 5 min emulsification time are chosen to be the optimum parameters’ values. A study of extraction kinetics and estimation of mass transfer coefficient was also accomplished (3.89×10-9m/s). The conclusions of this work can be extended to the removal of other types of pesticides from water.
Źródło:: Journal of Ecological Engineering; 2023, 24, 2; 101--111
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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