Performance of Polyalkyl Acrylate Additives of Various Compositions in Low-Temperature Dewaxing of Oil Raffinates

Author:

Arifullin I. R.1,Kazantsev O. A.1,Kamorin D. M.1,Moykin A. A.12,Medzhibovskiy A. S.2,Simagin A. S.1,Sivokhin A. P.1,Ozhogin S. A.13

Affiliation:

1. Alekseev State Technical University

2. OOO NPP Kvalitet

3. Lobachevsky National Research State University

Abstract

The performance of polyalkyl acrylate additives of various compositions in low-temperature dewaxing of 11 oil fractions differing in the viscosity and content of waxes, aromatic hydrocarbons, and resins was studied. The dewaxing was performed in a methyl ethyl ketone–toluene mixed solvent. For polyalkyl acrylate with pendant C16–10 alkyl chains, the raffinates can be subdivided into three groups with respect to an increase in the yield of dewaxed oils (relative to the process without additives): increase by 12–13, 5–8, and 3–4%. In most cases, introduction into such polymer of 5–30% polar groups (amino ester, amino amide, amide, oligoethylene glycol) allowed the oil yield to be additionally increased.

Publisher

The Russian Academy of Sciences

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