Synthesis of Alkyl Aliphatic Hydrazine and Application in Crude Oil as Flow Improvers

被引：8

作者：

Deng, Qiang ^{[1
]}

Slany, Michal ^{[2
,3
]}

Zhang, Huani ^{[1
]}

Gu, Xuefan ^{[1
]}

Li, Yongfei ^{[1
,4
]}

Du, Weichao ^{[1
,4
]}

Chen, Gang ^{[1
,4
]}

机构：

[1] Xian Shiyou Univ, State Key Lab Petr Pollut Control, Xian 710065, Peoples R China

[2] Slovak Acad Sci, Inst Inorgan Chem, Dubravska Cesta 9, Bratislava 84536, Slovakia

[3] Slovak Acad Sci, Inst Construct & Architecture, Dubravska Cesta 9, Bratislava 84503, Slovakia

[4] Xian Shiyou Univ, Coll Chem & Chem Engn, Shaanxi Prov Key Lab Environm Pollut Control & Re, Xian 710065, Peoples R China

来源：

ENERGIES | 2021年 / 14卷 / 15期

基金：

中国国家自然科学基金;

关键词：

alkyl aliphatic hydrazine; crude oil; flow improver; viscosity; HEAVY OIL; SURFACTANTS; PERFORMANCE; BEHAVIOR;

D O I：

10.3390/en14154703

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：

In this paper, alkyl aliphatic hydrazine, which is different from traditional polymer fluidity improver, was synthesized from aliphatic hydrazine and cetane bromide, and evaluated as a pour point and viscosity-reducer depressant for crude oil. The evaluation results showed that alkyl aliphatic hydrazone fully reduced the pour point and viscosity of crude oil with the increase of crude oil fluidity. The viscosity reduction rate of crude oil in Jinghe oilfield was 79.6%, and the pour point was reduced by about 11.3 degrees C. The viscosity reduction rate of crude oil in Xinjiang Oilfield was 74.7%, and the pour point was reduced by 8.0 degrees C. The long alkyl chain is beneficial to the eutectic of wax in crude oil, and the polar group inhibits the crystal growth, resulting in the decrease of pour point and viscosity. The waste oil is fully recycled into oilfield chemicals.

引用

页数：11

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