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Nano SiO2-TA162824 composite demulsifier and preparation method thereof

A technology of sio2-ta162824 and TA162824, which is applied in the field of nano-SiO2-TA162824 composite demulsifier and its preparation, can solve the problems of increased difficulty in dehydration of oil well output fluid, long demulsification time, and low demulsification efficiency

Inactive Publication Date: 2021-02-19
SHANDONG EFIRM BIOCHEMISTRY & ENVIRONMENTAL PROTECTION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Crude oil extraction technology is constantly being refurbished, and the water content of the produced fluid is constantly increasing, making it increasingly difficult to dehydrate the oil well produced fluid. Traditional demulsifiers have problems such as low demulsification efficiency and long demulsification time.

Method used

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  • Nano SiO2-TA162824 composite demulsifier and preparation method thereof
  • Nano SiO2-TA162824 composite demulsifier and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Dissolve 1g of demulsifier TA162824 in 10g of ethanol, 10gH 2 O, configured as TA162824 solution, and then 1g KH570 modified nano-SiO 2 Disperse in 10ml ethanol, 10ml H 2 In O, the modified nano-SiO 2 The solution is ultrasonically dispersed in the TA162824 solution to obtain 1# composite demulsifier.

Embodiment 2

[0026] Dissolve 4g demulsifier TA162824 in 10g ethanol, 10gH 2 O, configured as TA162824 solution, and then 2g KH570 modified nano-SiO 2 Disperse in 10ml ethanol, 10ml H 2 O, the modified nano-SiO 2 The solution is ultrasonically dispersed in the TA162824 solution to obtain 2# composite demulsifier.

Embodiment 3

[0028] Dissolve 4g demulsifier TA162824 in 10g ethanol, 10gH 2 O, configured as TA162824 solution, and then 1g KH570 modified nano-SiO 2 Disperse in 10ml ethanol, 10ml H 2 O, the modified nano-SiO 2 The solution is ultrasonically dispersed in the TA162824 solution to obtain 3# composite demulsifier.

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Abstract

The invention belongs to the technical field of crude oil demulsification and relates to a nano SiO2-TA162824 composite demulsifier and a preparation method thereof. The block polyether type demulsifier is modified by utilizing a nano material. A demulsification experiment proves that the modified demulsifier obtained by the method of the invention has better demulsification dehydration performance; and compared with an original polyether type demulsifier, the demulsifier has the advantage that the demulsifying performance is greatly improved.

Description

technical field [0001] The invention relates to the technical field of crude oil demulsification, in particular to a nano-SiO 2 - TA162824 composite demulsifier and its preparation method. Background technique [0002] In petroleum refining, electric desalting is the first process of crude oil processing. It is to remove the salt, water and mechanical impurities contained in crude oil, and provide purified crude oil that meets the requirements for atmospheric and vacuum distillation units. In order to improve the efficiency of electric desalting , need to add demulsifier. With the continuous renovation of crude oil extraction technology, the emulsification state of the produced fluid is constantly changing, so the requirements for demulsifiers for demulsification and dehydration of crude oil are also getting higher and higher. The current demulsifiers used for demulsification and dehydration have a large amount of demulsification and dehydration, and the sewage contains oil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D17/05C10G33/04
CPCB01D17/047C10G33/04
Inventor 宗传晖张超崔卫华梁万根马雪菲杨聪卞文
Owner SHANDONG EFIRM BIOCHEMISTRY & ENVIRONMENTAL PROTECTION CO LTD