E-viri
Recenzirano
Odprti dostop
-
Church, Jared; Willner, Marjorie R.; Renfro, Brittany R.; Chen, Yun; Diaz, Daniela; Lee, Woo Hyoung; Dutcher, Cari S.; Lundin, Jeffrey G.; Paynter, Danielle M.
Journal of water process engineering, February 2021, 2021-02-00, Letnik: 39Journal Article
•Reported surfactant properties of common shipboard detergents•Evaluated the impacts of experimental properties of cleaners on emulsion stability•Demonstrated that CMC of a cleaner can change in the presence of oil•CMC indicates the likelihood of a cleaners to stabilize bilgewater emulsions Oil-in-water emulsions created in shipboard bilgewater can be challenging to treat to hydrocarbon-limiting environmental discharge regulations. While emulsion behavior has been widely studied in other disciplines, research on bilgewater emulsions has been limited due to the variability of bilgewater composition. In this context, surfactant types and concentrations are generally unknown. Therefore, experimental properties of neat surfactants and commercial cleaners were evaluated for predicting bilgewater emulsion stability. Critical micelle concentration (CMC), CMC in the presence of oil (CMCIFT), and equilibrium interfacial tension (IFT) were investigated for emulsion stability using different surfactant types, oil concentrations, and homogenization energies. It was found that CMC was significantly larger in the presence of mineral oil. Γ∞ values of all three surfactants were similar for the oil-water and air-water cases; however, the κ values were larger for the oil-water interface suggesting that, for a given surfactant, the adsorption of the surfactant molecules to the oil-water interface was more active than to the air-water interface. It was also determined that emulsion stability was most closely related to CMCIFT. Coalescence into a separated oil layer was only observed in emulsion samples with surfactant concentrations below CMCIFT. This relationship was observed for different homogenization intensities and oil concentrations. Experiments also validated the relationship between CMCIFT and oil separation in more complex formulations of commercial cleaners commonly found aboard ships. Four different cleaners with unique compositions all demonstrated separated oil at concentrations below CMCIFT. Overall, CMCIFT represents a practical way to evaluate a cleaner's likelihood of developing stable (> 72 h with no observable oil separation) emulsions in bilgewater.
Vnos na polico
Trajna povezava
- URL:
Faktor vpliva
Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
---|---|---|---|---|---|---|---|---|
JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
---|
Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
---|
Vir: Osebne bibliografije
in: SICRIS
To gradivo vam je dostopno v celotnem besedilu. Če kljub temu želite naročiti gradivo, kliknite gumb Nadaljuj.