Environmental friendly synthesis of TiO2-ZnO nanocomposite catalyst and silver nanomaterilas for the enhanced production of biodiesel from Ulva lactuca seaweed and potential antimicrobial properties against the microbial pathogens was written by Gurusamy, Sivaprakash;Kulanthaisamy, Mohan Rasu;Hari, Dinesh Gujuluva;Veleeswaran, Ananthi;Thulasinathan, Boobalan;Muthuramalingam, Jothi Basu;Balasubramani, Ravindran;Chang, Soon Woong;Arasu, Mariadhas Valan;Al-Dhabi, Naif Abdullah;Selvaraj, Arokiyaraj;Alagarsamy, Arun. And the article was included in Journal of Photochemistry and Photobiology, B: Biology in 2019.Electric Literature of C20H40O2 The following contents are mentioned in the article:
TiO2-ZnO heterogeneous catalytic system provides a good replacement of a homogeneous catalytic reaction due to its easier recovery. In this study, biodiesel was produced from Ulva lactuca seaweeds using TiO2-ZnO nanocomposite catalysts with particle size of ∼12 nm. The size controlled TiO2-ZnO nanocomposite was characterized by powder XRD anal. and TEM. The result of that TiO2-ZnO catalyst is a promising catalyst for the production of biodiesel under mild reaction conditions and high yield of hydroxydecanoic acid conversion of 82.8%. The various conditions optimized for the higher conversion to FAME (15.8 mL of FAME) were 4 wt% catalysts at 4 h under 60°C and further there is no increase of conversion to FAME above 60°C-80°C. The total product yield was calculated as 82.8% of conversion to FAME. The evaluated biodiesel was found to be up to the mark of ASTM standards The silver nanoparticles (AgNPs) were synthesized by using leftover biomass of algae obtaining after lipid extraction of U.lactuca. AgNPs particle size was achieved as ∼12 nm and was confirmed by UV-Visible spectroscopy, XRD and TEM anal. Antibacterial activities of the synthesized AgNPs were analyzed and compared. The antibacterial activity was excellent against bacterial pathogens and treatment against P. vulgaris shows the maximum zone of inhibition (13.8 mm). The present work identified that the unutilized bioresource such as U.lactuca can be effectively utilized for biodiesel production so as to replace fossil fuel usage. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Electric Literature of C20H40O2).
Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Electric Literature of C20H40O2
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics