Rms the discovering of Song et al. [12] relating to the presence of a thin film among droplets throughout dropwise condensation of steam on a steel surface. In summary, our benefits show that neither nucleation theory nor film rupture theory can individually (S)-Flurbiprofen Biological Activity explain the mechanism of dropwise condensation. Thus, there’s a need for any far more extensive theory to explain the physics of dropwise condensation. Future perform must quantitatively study the parameters affecting the development of the thin-film between droplets plus the effect of thin-film around the heat transfer price.Author Contributions: Conceptualization, S.B.A.; methodology, S.B.A.; software, S.B.A.; validation, S.B.A.; formal evaluation, S.B.A.; investigation, S.B.A.; sources, C.K.C.; data curation, S.B.A.; writing–original draft preparation, S.B.A.; writing–review and editing, S.B.A., K.-B.L. and C.K.C.; visualization, S.B.A.; supervision, C.K.C.; project administration, C.K.C.; funding acquisition, K.-B.L. All authors have study and agreed for the published version from the manuscript. Funding: This study received no external funding. Conflicts of Interest: The authors declare no conflict of interest.
applied sciencesArticleNovel Sodium Alginate/Polyvinylpyrrolidone/TiO2 Nanocomposite for Effective Removal of Cationic Dye from Aqueous SolutionNoha A. Elessawy 1, , Marwa H. Gouda 1 , Mohamed S. Elnouby 1 , Hoda F. Zahran 2 , Aly Hashim 1 , Mona M. Abd El-Latif 1 and Diogo M. F. Santos three, Sophisticated Technology and New Supplies Study Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria P.O. Box 21934, Egypt; [email protected] (M.H.G.); [email protected] (M.S.E.); [email protected] (A.H.); [email protected] (M.M.A.E.-L.) Atmosphere and Natural Components Investigation Institute, City of Scientific Study and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria P.O. Box 21934, Egypt; [email protected] Center of Physics and Engineering of Sophisticated Materials (CeFEMA), Instituto Superior T nico, Universidade de Lisboa, 1049-001 Lisbon, Portugal Correspondence: [email protected] (N.A.E.); [email protected] (D.M.F.S.)Featured Application: Novel SA/PVP/TiO2 nanocomposite beads is usually utilized as an effective, ecofriendly adsorbent-photocatalyst for treating cationic dye-contaminated wastewaters. Abstract: The mixture of adsorption and photodegradation processes is an powerful method for the removal of dye contaminants from water, which is motivating the improvement of novel adsorbent-photocatalyst components for wastewater treatment. Herein, novel nanocomposite porous beads had been developed employing titanium dioxide (TiO2 ) Combretastatin A-1 Technical Information nanotubes embedded within a sodium alginate (SA)/polyvinylpyrrolidone (PVP) matrix applying calcium chloride remedy as a crosslinker. The prepared nanocomposite beads’ performance was examined as an adsorbent-photocatalyst for the breakdown of methylene blue in aqueous solutions. Many operation components influencing the dye decomposition method, including photocatalyst dosage, illumination time, light intensity, and stability were investigated. The findings demonstrated that the removal activity in the beads changed using the TiO2 weight ratio within the composite. It was located that SA/PVP/TiO2 -3 nanocomposite beads presented the greatest deterioration efficiency for methylene blue dye (98.9 ). The cycling potential and reusability of the prep.
