Gasoline and diesel oil additive composition and preparation method and application thereof

Abstract

The invention provides a method for preparing a gasoline and diesel oil additive composition. The method comprises the following steps of: performing addition and dehydration reaction on glycol, trioxymethylene and methanol in the mole ratio of 1: (0.5-3.5): (1.0-6.0) under the action of an acidic ionic liquid catalyst for 2 to 8 hours at the temperature of 65 to 140 DEG C to generate a mixture containing dimethoxymethane and bidimethoxyethane; and separating the mixture, wherein the dimethoxymethane-containing product with low boiling point is a gasoline additive composition, and the bidimethoxyethane-containing product with high boiling point is a diesel oil additive composition. The reaction process is high in controllability, reaction equipment is readily available, the operation is simple, the applicability of the reaction products is relatively good in distribution, the total yield of the products is high, and the economic benefit is good. The invention also provides a composite oil product prepared from the gasoline and diesel oil additive composition, and the performance of the composite oil product meets the quality index requirement on commoditization of automotive fuels.

Description

technical field

[0001] The invention relates to the field of clean oxygen-containing vehicle fuel, in particular to a gasoline and diesel additive composition prepared from ethylene glycol, methanol and paraformaldehyde, a preparation method and application thereof. Background technique

[0002] With the progress of society, the large increase of automobiles has brought about a large consumption of petroleum fuels and serious environmental pollution. Therefore, the research and development of raw materials produced by coal, such as methanol, formaldehyde, etc., will be further converted into alternative fuels for vehicles. Adding components can not only increase the source of fuel for vehicles, but also reduce environmental pollution.

[0003] Dimethoxymethane (also known as methylal), bisdimethoxyethane, and polymethoxyformal are ideal additive components for new clean vehicle fuels, which have been used in methanol-containing vehicle fuels Widely used, it contains oxygen ...

Examples

Embodiment 1

[0050] Take 60 grams of ethylene glycol, 30 grams of paraformaldehyde, 80 grams of methanol, and 8 grams of toluenesulfonic acid. The reaction temperature is controlled at 100 ° C. After 4 hours of reaction, the resulting reaction mixture is cut and separated. The gasoline additive combination The yield of the compound was 46%, and the yield of the diesel additive composition was 45%.

Embodiment 2

[0052] Take 45 grams of ethylene glycol, 45 grams of paraformaldehyde, 80 grams of methanol, and 8 grams of toluenesulfonic acid. The reaction temperature is controlled at 125 ° C. After 4 hours of reaction, the resulting reaction mixture is cut and separated. The gasoline additive combination The yield of the compound was 46%, and the yield of the diesel additive composition was 43%.

Embodiment 3

[0054] Get 45 grams of ethylene glycol, 45 grams of paraformaldehyde, 100 grams of methanol, and 8 grams of toluenesulfonic acid. The reaction temperature is controlled at 125 ° C. After 4 hours of reaction, the resulting reaction mixture is cut and separated. The gasoline additive combination The yield of the compound was 50%, and the yield of the diesel additive composition was 42%.

technical field

[0001] The invention relates to the field of clean oxygen-containing vehicle fuel, in particular to a gasoline and diesel additive composition prepared from ethylene glycol, methanol and paraformaldehyde, a preparation method and application thereof. Background technique

[0002] With the progress of society, the large increase of automobiles has brought about a large consumption of petroleum fuels and serious environmental pollution. Therefore, the research and development of raw materials produced by coal, such as methanol, formaldehyde, etc., will be further converted into alternative fuels for vehicles. Adding components can not only increase the source of fuel for vehicles, but also reduce environmental pollution.

[0003] Dimethoxymethane (also known as methylal), bisdimethoxyethane, and polymethoxyformal are ideal additive components for new clean vehicle fuels, which have been used in methanol-containing vehicle fuels Widely used, it contains oxygen ...

Examples

Embodiment 1

[0050] Take 60 grams of ethylene glycol, 30 grams of paraformaldehyde, 80 grams of methanol, and 8 grams of toluenesulfonic acid. The reaction temperature is controlled at 100 ° C. After 4 hours of reaction, the resulting reaction mixture is cut and separated. The gasoline additive combination The yield of the compound was 46%, and the yield of the diesel additive composition was 45%.

Embodiment 2

[0052] Take 45 grams of ethylene glycol, 45 grams of paraformaldehyde, 80 grams of methanol, and 8 grams of toluenesulfonic acid. The reaction temperature is controlled at 125 ° C. After 4 hours of reaction, the resulting reaction mixture is cut and separated. The gasoline additive combination The yield of the compound was 46%, and the yield of the diesel additive composition was 43%.

Embodiment 3

[0054] Get 45 grams of ethylene glycol, 45 grams of paraformaldehyde, 100 grams of methanol, and 8 grams of toluenesulfonic acid. The reaction temperature is controlled at 125 ° C. After 4 hours of reaction, the resulting reaction mixture is cut and separated. The gasoline additive combination The yield of the compound was 50%, and the yield of the diesel additive composition was 42%.

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