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Aqueous ethanol gasoline micro-emulsifier

A technology of micro-emulsifier and water-containing ethanol, which is used in the petroleum industry, fuel additives, liquid carbon-containing fuels, etc., can solve the problems of easy delamination and low temperature stability, and achieve the effects of improving emulsification efficiency, easy acquisition and low price.

Inactive Publication Date: 2017-02-15
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of water-containing ethanol gasoline microemulsifier, which can solve the problems of water-containing ethanol gasoline easy to delaminate and low temperature stability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The water-containing ethanol gasoline microemulsifier of this embodiment is compounded by a hydrophilic emulsifier and a lipophilic emulsifier, and the lipophilic emulsifier is composed of 375mL sorbitan monooleate, 62.5mL sorbitan trioleate and 62.5mL poly It is formulated with oxyethylene sorbitan monostearate; the hydrophilic emulsifier consists of 50mL octylphenol polyoxyethylene ether with a polymerization degree of 10, 50mL octylphenol polyoxyethylene ether with a polymerization degree of 4, 0.25mL iso Butanol and 0.15mL isopropanol are prepared; the volume percentage of ethanol in the aqueous ethanol solution of this embodiment is 95%.

[0024] Emulsification performance test: take 9.5mL aqueous ethanol solution, 89.5mL gasoline, 0.5mL lipophilic emulsification

[0025] agent, 0.5mL hydrophilic emulsifier, the lipophilic emulsifier is added to the gasoline, and mechanically stirred and mixed; then the hydrophilic emulsifier is added to the aqueous ethanol solutio...

Embodiment 2

[0027] In this embodiment, the water-containing ethanol gasoline microemulsifier is compounded by a hydrophilic emulsifier and a lipophilic emulsifier, and the lipophilic emulsifier is composed of 1.78mL sorbitan monooleate, 0.54mL sorbitan trioleate and 0.18mL It is prepared from polyoxyethylene sorbitan monostearate; the hydrophilic emulsifier consists of 0.15mL octylphenol polyoxyethylene ether with a polymerization degree of 10, 0.45mL octylphenol polyoxyethylene ether with a polymerization degree of 4, Prepared by 1.3mL isobutanol and 0.6mL isopropanol; the volume percentage of ethanol in the aqueous ethanol solution in this embodiment is 95%.

[0028] Emulsification performance test: take 90mL aqueous ethanol solution, 905mL gasoline, 2.5mL lipophilic emulsifier,

[0029] 2.5mL hydrophilic emulsifier, add the lipophilic emulsifier into gasoline, stir and mix mechanically; then add the hydrophilic emulsifier into the aqueous ethanol solution, stir and mix; finally inject ...

Embodiment 3

[0031] The water-containing ethanol gasoline microemulsifier of this embodiment is compounded by a hydrophilic emulsifier and a lipophilic emulsifier, and the lipophilic emulsifier is composed of 5.48mL sorbitan monooleate, 0.42mL sorbitan trioleate and 1.5mL It is prepared from polyoxyethylene sorbitan monostearate; the hydrophilic emulsifier consists of 0.9mL octylphenol polyoxyethylene ether with a polymerization degree of 10, 0.3mL octylphenol polyoxyethylene ether with a polymerization degree of 4, Prepared by 3.7mL isobutanol and 2.5mL isopropanol; the volume percentage of ethanol in the aqueous ethanol solution in this embodiment is 95%.

[0032] Emulsification performance test: take 108.4mL aqueous ethanol solution, 876.8mL gasoline, 7.4mL lipophilic emulsion

[0033] emulsifier, 7.4mL hydrophilic emulsifier, the lipophilic emulsifier is added to the gasoline, mechanical stirring and mixing; then the hydrophilic emulsifier is added to the aqueous ethanol solution, stir...

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Abstract

The invention discloses an aqueous ethanol gasoline micro-emulsifier which is prepared by mixing an oleophilic emulsifier and a hydrophilic emulsifier, wherein the oleophilic emulsifier is prepared by mixing sorbitan monooleate, sorbitan trioleate and polyethylene glycol monostearate according to the volume ratio of (5 to 6.5) to (0.5 to 1.5) to (0.5 to 1.8); the hydrophilic emulsifier is prepared by mixing octaphenyl polyoxyethyiene with the polymerization degree of 10, octaphenyl polyoxyethyiene with the polymerization degree of 4, isobutanol and isopropanol according to the volume ratio of (0.5 to 1.5) to (0.5 to 1.5) to (4.5 to 6) to (2 to 4). By the adoption of the micro-emulsifier for regulating aqueous ethanol gasoline, the low-temperature stability of the micro-emulsified aqueous ethanol gasoline can be obviously improved.

Description

technical field [0001] The invention relates to the technical field of emulsifiers, in particular to a water-containing ethanol gasoline microemulsifier. Background technique [0002] The invention patent (patent application number 201410840146.7, application publication date is May 13, 2015) with the title of "a water-containing ethanol gasoline and its preparation method" discloses a compound emulsifier. The compound emulsifier of this patent The emulsifier is formulated from a lipophilic emulsifier and a hydrophilic emulsifier; the lipophilic emulsifier is composed of sorbitan fatty acid ester, sorbitan trioleate, sorbitan monolaurate, sorbitan One or more combinations of three stearates; the hydrophilic emulsifier consists of one or more combinations of polyoxyethylene sorbitan monooleate and polyoxyethylene sorbitan fatty acid ester, which Although this technology improves the stability of gasoline by adding a composite emulsifier, so that gasoline does not appear to b...

Claims

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Application Information

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IPC IPC(8): C10L1/19C10L1/198C10L1/182
CPCC10L1/143C10L1/1824C10L1/19C10L1/1915C10L1/1983C10L1/1985C10L2300/20
Inventor 叶燕帅凌华梅牛彩云陈浩平谭艳
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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