餐厨废弃油脂合成的生物油磺酸盐与碱复配的界面性能

doi:10.13218/j.cnki.csdc.2018.05.005

日用化学工业 ›› 2018, Vol. 48 ›› Issue (5): 266-271.doi: 10.13218/j.cnki.csdc.2018.05.005

餐厨废弃油脂合成的生物油磺酸盐与碱复配的界面性能

龙运前¹, 黄小荷², 王永政², 汪勇³, 宋兴兴², 宋付权²

1.浙江海洋大学创新应用研究院,浙江舟山 316022;
2.浙江海洋大学石化与能源工程学院,浙江舟山 316022;
3.中国石化胜利油田分公司勘探开发研究院,山东东营 257015

收稿日期:2017-12-22 发布日期:2019-03-18
作者简介:龙运前(1978-),男,湖南人,博士,电话:(0580)2262589,E-mail:longyunqian@163.com。
基金资助:
国家自然科学基金资助项目(11472246,11602221);浙江省公益技术应用研究项目(2016033032)

Interfacial properties of compounded system of alkali and bio-oil sulfonate synthesized from waste cooking oil

LONG Yun-qian¹, HUANG Xiao-he², WANG Yong-zheng², WANG Yong³, SONG Xing-xing², SONG Fu-quan²

1.Innovation Application Institute,Zhejiang Ocean University,Zhoushan,Zhejiang 316022,China;
2.School of Petrochemical & Energy Engineering,Zhejiang Ocean University,Zhoushan,Zhejiang 316022,China;
3.Research Institute of Exploration and Development,Shengli Oilfield Company,SINOPEC,Dongying,Shandong 257015,China

Received:2017-12-22 Published:2019-03-18

摘要/Abstract

摘要： 利用餐厨废弃油脂经磺化反应合成了生物油磺酸盐,并与碳酸钠进行复配,测定了复配体系的界面活性、动态界面张力、界面张力稳定性和分配性能。结果表明,生物油磺酸盐的平均分子量为393,属于水溶性;生物油磺酸盐与碳酸钠的复配体系具有较宽的界面活性范围和较好的界面张力稳定性。在碳酸钠质量分数为0.4%~0.8%范围内,能降低油水界面张力至10^-3 mN/m。随着碳酸钠质量分数增加,复配体系与原油的最低界面张力呈现先减小后增大的趋势,碳酸钠最佳质量分数为0.6%。放置90 d后,最低界面张力基本上保持在10^-3 mN/m。碳酸钠质量分数一定时,随着生物油磺酸盐质量分数增加,生物油磺酸盐在油水两相中的分配系数降低,当质量分数大于0.25%后,分配系数降幅变小。生物油磺酸盐质量分数一定时,随着碳酸钠质量分数增加,生物油磺酸盐在油水两相中的分配系数增大,增幅较小。

关键词: 生物油磺酸盐, 餐厨废弃油脂, 界面性能, 分配性能

Abstract: A bio-oil sulfonate was synthesized by sulfonation of waste cooking oil.A compounded system of bio-oil sulfonate and sodium carbonate was prepared.The interfacial activity,dynamic interfacial tension,interfacial tension stability and partition property of the blended system were measured.Results show that the bio-oil sulfonate is water soluble and its average molecular weight is 393.The blended system of bio-oil sulfonate and sodium carbonate has a wide range of interfacial activity and relatively good interfacial tension stability.The interfacial tension between oil and water can be reduced to 10^-3 mN/m when sodium carbonate is in the mass fraction range of 0.4%-0.8%.The minimum interfacial tension between crude oil and compounded solution decreases first and then increases with the increase of mass fraction of sodium carbonate.The optimum mass fraction of sodium carbonate is 0.6%.The minimum interfacial tension is still maintained at 10^-3 mN/m after 90 d.For a given mass fraction of sodium carbonate,the oil/water partition coefficient of bio-oil sulfonate is decreased as the mass fraction of bio-oil sulfonate increases.The decline of partition coefficient becomes smaller when the mass fraction of bio-oil sulfonate is greater than 0.25%.For a given mass fraction of bio-oil sulfonate,the oil/water partition coefficient of bio-oil sulfonate has a small increase with the increase of mass fraction of sodium carbonate.

Key words: bio-oil sulfonate, waste cooking oil, interfacial property, partition property

中图分类号:

TQ423

龙运前, 黄小荷, 王永政, 汪勇, 宋兴兴, 宋付权. 餐厨废弃油脂合成的生物油磺酸盐与碱复配的界面性能[J]. 日用化学工业, 2018, 48(5): 266-271.

LONG Yun-qian, HUANG Xiao-he, WANG Yong-zheng, WANG Yong, SONG Xing-xing, SONG Fu-quan. Interfacial properties of compounded system of alkali and bio-oil sulfonate synthesized from waste cooking oil[J]. China Surfactant Detergent & Cosmetics, 2018, 48(5): 266-271.

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餐厨废弃油脂合成的生物油磺酸盐与碱复配的界面性能

Interfacial properties of compounded system of alkali and bio-oil sulfonate synthesized from waste cooking oil

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