Obtaining an anti-wear additive to lubricants based on fat-containing waste from meat processing enterprises
https://doi.org/10.26897/2687-1149-2023-2-41-45
Abstract
Fat-containing waste from the meat processing industry (crude fat) is an inexpensive renewable raw material for the production of surfactants. The authors propose a technology of processing crude fat into surfactants that consists of two technological processes: demulsifi cation of a fat-containing aqueous emulsion and production of technical fat (triglyceride); technical fat processing into a surfactant (amide-fatty acids). The article presents a technological scheme of processing crude fat into technical fat. The technology of processing triglycerides has been tested in a laboratory pilot plant. Surfactants were synthetized when technical fat, monoethanolamine and boric acid were heated to a temperature of 180°C for 1.5 hours at a ratio (wt.%): technical fat – 65.3 to 72.4; monoethanolamine –14.5 to 170; boric acid – 100. The resulting surfactant was tested on a four-ball friction machine as an anti-wear additive to lubricating oils. The results of tribological tests have shown the high effi ciency of the obtained surfactant when used as an anti-wear additive in the base oil I-20 in an amount of 10%. Wear for the control sample (base oil) amounted to 207 microns, and that for a lubricant composition based on fatty acid amides – to 167 microns. The developed technology of processing crude fat into surfactants can be recommended for obtaining technical products: corrosion inhibitors, anti-wear additives, emulsifi ers, technical detergents, etc.
About the Authors
S. M. GaidarRussian Federation
Sergey M. Gaidar, DSc (Eng), Professor
49, Timiryazevskaya Str., Moscow, 127434
Scopus Author ID: 57191589797
Researcher ID: I-4723-2018
O. M. Lapsar
Russian Federation
Oksana M. Lapsar, postgraduate student
49, Timiryazevskaya Str., Moscow, 127434
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Review
For citations:
Gaidar S.M., Lapsar O.M. Obtaining an anti-wear additive to lubricants based on fat-containing waste from meat processing enterprises. Agricultural Engineering (Moscow). 2023;25(2):41-45. (In Russ.) https://doi.org/10.26897/2687-1149-2023-2-41-45