Hydrous ethanol gasoline and preparation method thereof

A technology for hydrous ethanol and gasoline, applied in the field of petrochemical industry, can solve the problems of large amount of emulsifier, limited capacity, inability to solve the problem of mutual solubility of hydrous ethanol and gasoline, etc., and achieves the effect of simple process formula and convenient storage and transportation.

Active Publication Date: 2015-05-13
HAINAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The application publication number is CN 102925227A, and the title of the invention is "A Preparation Method for Microemulsion Gasoline". It describes the use of microemulsifiers and co-emulsion agents to make water and gasoline form microemulsion gasoline. This solution has the problem of large amount of emulsifier. And can't solve the miscible problem of water-contain

Method used

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  • Hydrous ethanol gasoline and preparation method thereof
  • Hydrous ethanol gasoline and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0018] Implementation case 1

[0019] In order to obtain the optimal stability of ethanol gasoline with a water-containing ethanol ratio of 10% (ethanol degree 95%), the optimal preparation parameters are sought in a certain range. The optimal range of component types: HLB value 4.3-8, stirring time 0.5-6.5, co-solvent ratio 0-0.4, emulsifier ratio 0.2-1, and the stability index is phase separation temperature (Y); compounding The emulsifier type is selected as Span 80+Tween 80, and the cosolvent type is selected as n-octanol.

[0020] (II) Experimental design:

[0021] Using mathematical statistics software such as SPSS or Design-Expert software or Isight software, the experimental plan based on the central combination method and the results are shown in Table 1.

[0022] Table 1 E10W stability test matrix and results

[0023]

[0024] Note: The response value in the table is the phase separation temperature / ℃, A is the HLB value, B is the stirring time / min, C is the cosolvent / %, and...

Example Embodiment

[0036] Implementation case 2

[0037] (I) Scope of optimization:

[0038] In order to obtain the optimal stability of ethanol gasoline with a water-containing ethanol ratio of 20% (ethanol degree 95%), the optimal preparation parameters are sought in a certain range. The optimal range of component types: HLB value (A) 4.3~8, stirring time (B) 0.5~6.5, cosolvent volume ratio (C) 0.1~0.5%, emulsifier volume ratio (D) 0.2~1% , A measure of stability is the phase separation temperature (Y). The type of compound emulsifier is selected as Span 80+Tween 40, and the type of co-solvent is selected as castor oil.

[0039] (II) Experimental design:

[0040] Using mathematical statistics software such as SPSS or Design-Expert software, design experiments based on the central combination method are shown in Table 2. The response value is the phase separation temperature, and the results are shown in Table 2.

[0041] Table 2 E20W stability test matrix and results

[0042]

[0043] Note: In the ta...

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Abstract

The invention discloses hydrous ethanol gasoline. The hydrous ethanol gasoline comprises the following components: gasoline, hydrous ethanol, a hydrophilic emulsifier, a lipophilic emulsifier, and a cosolvent, and is characterized in that the volume percentage of each component is as follows: 78-89.8% of the gasoline, 10-20% of the hydrous ethanol, 0.2-1.2% of a compound emulsifier, 0-0.5% of the cosolvent, and 0-0.3% of a combustion improver, wherein the ethanol concentration of the hydrous ethanol is 90-97%. According to the hydrous ethanol gasoline, blending components of the hydrous ethanol, the species and the proportions of the emulsifier and the cosolvent and the like are preferable, so that the carrying capacity of the ethanol gasoline to water is improved, the phase separation temperature of the hydrous ethanol gasoline is reduced, the technical formula is simple, phase separation is avoided even though the hydrous ethanol gasoline is stored for more than half a year under a seal condition, the hydrous ethanol gasoline is convenient to store and transport, and the problem of phase separation caused by the fact that the water content of ethanol gasoline exceeds the standard is completely solved.

Description

technical field [0001] The invention belongs to the technical field of petrochemical industry, and relates to a water-containing ethanol gasoline component and a preparation method thereof. Background technique [0002] As a renewable biomass energy, ethanol can be applied to vehicle fuel, and it is mainly mixed with gasoline to form ethanol gasoline for vehicles. Compared with gasoline, ethanol gasoline has more advantages in emission performance. Ethanol has the characteristics of high octane number, octane number blending effect and high oxygen content similar to methyl tert-butyl ether (MTBE), and is more environmentally friendly than MTBE, so it is technically and economically all or partly Alternative to MTBE. At present, nearly 20 countries are promoting ethanol gasoline, and 10 provinces and cities in my country are currently promoting the use of ethanol gasoline as pilots for E10 ethanol gasoline for vehicles. The ethanol added in gasoline is absolute ethanol. H...

Claims

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Application Information

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IPC IPC(8): C10L1/04C10L1/10C10L1/182C10L1/19C10L1/192C10L1/12
Inventor 陈振斌肖明伟裴毅强刘赛武孙姣阎汝真张弥涛王小琛李百成
Owner HAINAN UNIVERSITY
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