Synthesis of Surfactants from Alkali Lignin for Enhanced Oil Recovery

被引：23

作者：

Chen, Shuyan ^{[1
]}

Shen, Shicheng ^{[2
,3
]}

Yan, Xiang ^{[1
]}

Mi, Jie ^{[3
]}

Wang, Gehua ^{[1
]}

Zhang, Jianan ^{[1
]}

Zhou, Yujie ^{[1
]}

机构：

[1] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China

[2] Luxi Chem Grp Corp Ltd, Liuorine Silicon & Salt Chem Grp, Liaocheng, Peoples R China

[3] Minist Educ, Key Lab Coal Sci & Technol, Taiyuan, Shanxi Province, Peoples R China

来源：

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2016年 / 37卷 / 11期

关键词：

Alkali lignin; amination; interfacial tension; surfactant; surface tension; HYDROPHILIC-LIPOPHILIC BALANCE; MOLECULAR-WEIGHT;

D O I：

10.1080/01932691.2015.1118703

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

With the cheap and abundant resource of alkali lignin as feedstock, surfactants for enhanced oil recovery were synthesized by amination and alkylation reaction of lignosulfonate. The effects of amination conditions, including the ratio of raw materials, amination reagent, temperature, and reaction time, on nitrogen contents and surface tension of the surfactants were investigated. The results showed that ethylenediamine was more suitable for amination, and the molar ratio of alkali lignin, ethylenediamine, and formaldehyde was 1:2:1.5 at 80 degrees C for 5 hours. The structure of synthesized products was characterized by Fourier transform infrared spectrometry. The HLB value of synthesized product was 10. The interfacial tension between Daqing crude oil and synthetic water could be decreased to 10(-2) mN/m with synthesized surfactant and NaOH at 45 degrees C. Moreover, the effects of molecular weight of surfactants on interfacial tension were also studied. The synthesized surfactant (M-w > 10,000) showed a better interfacial activity on Daqing crude oil.

引用

页码：1574 / 1580

页数：7

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