生物柴油低温流动改进剂的制备及其降滤效果评价

doi:10.3969/j.issn.0438-1157.2014.04.044

化工学报 ›› 2014, Vol. 65 ›› Issue (4): 1481-1487.DOI: 10.3969/j.issn.0438-1157.2014.04.044

生物柴油低温流动改进剂的制备及其降滤效果评价

郑万刚^1,2, 汪树军^1,2, 刘红研², 徐洵², 马焕庆^1,2, 石晓莉²

1 中国石油大学重质油国家重点实验室, 北京 102249;
2 中国石油大学理学院, 北京 102249

收稿日期:2013-07-26 修回日期:2013-10-27 出版日期:2014-04-05 发布日期:2013-12-17
通讯作者: 汪树军
作者简介:郑万刚（1987—），男，博士研究生。

Synthesis and performance evaluation of cold flow improver for biodiesel oil

ZHENG Wangang^1,2, WANG Shujun^1,2, LIU Hongyan², XU Xun², MA Huanqing^1,2, SHI Xiaoli²

1 State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China;
2 College of Science, China University of Petroleum, Beijing 102249, China

Received:2013-07-26 Revised:2013-10-27 Online:2014-04-05 Published:2013-12-17

摘要/Abstract

摘要： 为降低大豆油生物柴油的冷滤点，合成了马来酸酐-丙烯酰胺-苯乙烯醇解衍生物（AAS）以及助剂环己醇脂肪酸酯（CF），并对其进行红外表征。通过正交实验，优化了三元共聚物（AAS）的工艺条件，同时考察了自制AAS分别与助剂CF以及德国蜡晶分散剂的复配效果。实验结果表明，合成AAS的最佳工艺条件为：单体配比2：1.5：0.75，引发剂（BPO）用量1.5%，催化剂加量1.0%，共聚温度75℃，共聚时间5 h，醇解时间3 h，酐醇比7：12。当AAS添加量为0.3%时，可使大豆油生物柴油冷滤点降低4℃。与助剂CF以1：1质量配比复配可使大豆油生物柴油冷滤点降低6℃，并可使菜籽油生物柴油降低5℃。

关键词: 生物柴油, 冷滤点, 聚合物, 复配, 改进剂

Abstract: The purpose of this paper is to develop maleate improvers and additive，based on the mechanisms improving cold flow property of diesel fuel and the characteristics of biodiesel. The terpolymer AAS was prepared by copolymerizing maleic anhydride (MA), acrylamide (AM) and styrene and the preparation conditions were optimized using orthogonal experiments. CF was prepared with cyclohexanol and fatty acids. The products obtained were identified by IR, and its cold flow property evaluated. The best preparation conditions: n(MA):n(AM):n(S)=2:1.5:0.75, initiator BPO 1.5% (based on total mass of monomers, mass), copolymerization temperature 75℃, copolymerization time 5 h, catalyst dosage 1.0%( base on total mass of alcohol, mass), n(MA):n(alcohol)= 7:12, alcoholysis time 3 h. When AAS dosage was 0.3% (base on based oil, mass), the CFPP drop of biodiesel from soybean oil was 4℃. When AAS mixed with CF in mass ratio of 1:1, the CFPP of biodiesel from soybean oil and biodiesel from rapeseed oil could be reduced by 6℃ and 5℃ respectively.

Key words: biodiesel oil, cold filter plugging point, polymers, compound, improver

中图分类号:

TE624

郑万刚, 汪树军, 刘红研, 徐洵, 马焕庆, 石晓莉. 生物柴油低温流动改进剂的制备及其降滤效果评价[J]. 化工学报, 2014, 65(4): 1481-1487.

ZHENG Wangang, WANG Shujun, LIU Hongyan, XU Xun, MA Huanqing, SHI Xiaoli. Synthesis and performance evaluation of cold flow improver for biodiesel oil[J]. CIESC Journal, 2014, 65(4): 1481-1487.

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生物柴油低温流动改进剂的制备及其降滤效果评价

Synthesis and performance evaluation of cold flow improver for biodiesel oil

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