Polymeric structures as cold flow improvers for waxy residual fuel oil

被引：45
作者：
El-Gamal, IM [1 ]
Atta, AM [1 ]
Al-Sabbagh, AM [1 ]
机构：
[1] Egyptian Petr Res Inst, Nasr City, Cairo, Egypt
来源：
FUEL | 1997年 / 76卷 / 14-15期
关键词：
residual fuel oil; flow improvement; alcohol copolymers;
D O I：
10.1016/S0016-2361(97)00062-8
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Acrylic and methacrylic acids were esterified with dodecyl, hexadecyl and NAFOL 20(+) (C-av = 21) alcohols. The monomers thus prepared were copolymerized with C-18 alpha-olefin at different molar ratios. The copolymers were purified, characterized and then assessed as cold flow improvers for a high-pour waxy residual fuel oil (RFO) by pour point and rheological measurements. The asphaltene, resin and wax contents of the RFO as well as the carbon number distribution of the wax fraction were determined. The results show that only the polymeric structures with long side chains of NAFOL 20(+) have the potential to decrease the pour point and improve the rheological properties of the fuel oil. The storage stability of the treated RFO is good up to 3 days but then diminishes steadily. The effectiveness of the prepared additives is discussed on the basis of structure in relation to the fuel oil composition. (C) 1997 Elsevier Science Ltd.
引用
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页码：1471 / 1478
页数：8
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