Sorbents for removal surfactants from aqueous solutions: surface modification of natural solids to enhance sorption ability was written by Lukaszczyk, Jan;Lekawska, Ewa;Lunkwitz, Klaus;Petzold, Gudrun. And the article was included in Journal of Applied Polymer Science in 2004.Application of 104-73-4 This article mentions the following:
Particulate materials of natural origin, sulfite cellulose and two kaolinite clays, were modified by the formation of nonstoichiometric polyelectrolyte complex on the surface of particles. This resulted in pos. surface charge on cellulose and clays. Modified materials as well as selected com. polymers were used as sorbents for removal of anionic, nonionic, and cationic surfactants from aqueous solutions The cationic surface modification of cellulose and kaolinite clays resulted in a significant increase of sorption rate and degree of removal of oppositely charged anionic surfactants. In the experiment, the researchers used many compounds, for example, 1-Dodecylpyridin-1-ium bromide (cas: 104-73-4Application of 104-73-4).
1-Dodecylpyridin-1-ium bromide (cas: 104-73-4) belongs to pyridine derivatives. The ring atoms in the pyridine molecule are sp2-hybridized. The nitrogen is involved in the 锜?bonding aromatic system using its unhybridized p orbital. The lone pair is in an sp2 orbital, projecting outward from the ring in the same plane as the 锜?bonds. Reduced pyridines, namely tetrahydropyridines, dihydropyridines and piperidines, are found in numerous natural and synthetic compounds. The synthesis and reactivity of these compounds have often been driven by the fact many of these compounds have interesting and unique pharmacological properties. Application of 104-73-4