Development of polyester filters with polymer nanocomposite active layer for effective dye filtration was written by Pasichnyk, Mariia;Gaalova, Jana;Minarik, Peter;Vaclavikova, Miroslava;Melnyk, Inna. And the article was included in Scientific Reports in 2022.Product Details of 61-73-4 This article mentions the following:
Organic dyes such as methyl orange (MO) and methylene blue (MB) are widely used in different industries and have become one of the leading emerging water contaminants. The purpose of the current research is to develop new polymer nanocomposite filters for the effective elimination of the dyes, which are non-biodegradable and not efficiently removed by traditional treatment methods. New padded and covered filters were produced applying polystyrene-acrylic/ZnO nanocomposite on the polyester surface by blade coating and one-bath pad methods. Principal results determined by SEM anal. confirm that functionalized layer can create unprecedented function of filter textile material depending on the way of treatment. Due to the modification, the surface area increased from 5.9 for untreated polyester to 85.2 (padded), 44.6 (covered) m2/g. The measured pore size of produced filters is around 3.4 nm, which corresponds to the mesoporous structure. Our study reported effective filters with the rate of MB and MO removal efficiencies up to 60%. Moreover, a colorless reduced form of MB-leuco-methylene blue (LMB) could be created. The functionalized layer of the developed filters through hydrogen bonding between the -OH groups of styrene-acrylic mols. and the -N(CH3)2 groups on LMB can stabilize LMB. In the experiment, the researchers used many compounds, for example, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride (cas: 61-73-4Product Details of 61-73-4).
3,7-Bis(dimethylamino)phenothiazin-5-ium chloride (cas: 61-73-4) belongs to organic chlorides. Organic chlorides can cause corrosion in pipelines, valves and condensers, and cause catalyst poisoning. The hydrocarbon processing industry (HPI) and others are affected by damage caused by these substances. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Product Details of 61-73-4
Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics