Synthesis of pour point depressant for heavy oil from waste organic glass


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Abstract

Polymethyl methacrylate (PMMA) is widely used as a substitute for glass, known as organic glass. During the processing and after use, there are amount of castoff. Based on the similar framework, PMMA could be useful feed stock to synthesis poly methacrylamide (PMAA) used for crude oil additive. In this work PMAA was prepared by aminolysis reaction of PMMA and aliphatic amines. The performance of PMAA on heavy oil was evaluated as pour point depressant as well as paraffin inhibiter. The highest pour point reduction depression was achieved as 12.1°С with the dosage of 600 ppm PMAA 1. Differential scanning calorimetry and paraffin crystal morphology studies were conducted to elucidate the mechanism of pour point reduction.

About the authors

Gang Chen

College of Chemistry and Chemical Engineering; State Key Laboratory of Petroleum Pollution Control

Author for correspondence.
Email: gangchen@xsyu.edu.cn
China, Xi’an, 710065; Beijing, 102206

Weihua Yuan

College of Chemistry and Chemical Engineering

Email: gangchen@xsyu.edu.cn
China, Xi’an, 710065

Yun Bai

College of Chemistry and Chemical Engineering

Email: gangchen@xsyu.edu.cn
China, Xi’an, 710065

Wei Zhao

College of Chemistry and Chemical Engineering

Email: gangchen@xsyu.edu.cn
China, Xi’an, 710065

Jie Zhang

College of Chemistry and Chemical Engineering

Email: gangchen@xsyu.edu.cn
China, Xi’an, 710065

Ya Wu

College of Chemistry and Chemical Engineering

Email: gangchen@xsyu.edu.cn
China, Xi’an, 710065

Xuefan Gu

College of Chemistry and Chemical Engineering; State Key Laboratory of Petroleum Pollution Control

Email: gangchen@xsyu.edu.cn
China, Xi’an, 710065; Beijing, 102206

Shijun Chen

College of Chemistry and Chemical Engineering

Email: gangchen@xsyu.edu.cn
China, Xi’an, 710065

Hongjiang Yu

College of Chemistry and Chemical Engineering

Email: gangchen@xsyu.edu.cn
China, Xi’an, 710065

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