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Compound additive for methanol gasoline, and preparation method and application thereof

A composite additive, methanol gasoline technology, applied in fuel additives, petroleum industry, liquid carbon-containing fuels, etc., can solve the problems of high saturated vapor pressure and easy generation of air resistance, and achieve the goal of reducing saturated vapor pressure enhancement and eliminating air resistance Effect

Active Publication Date: 2013-12-11
DONGFANG HONGSHENG NEW ENERGY APPL TECH RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] For this reason, the technical problem to be solved by the present invention is that the saturated vapor pressure of low-proportion methanol-gasoline is relatively high in the prior art, and the problem of easy generation of air lock, and then provides a kind of low-proportion methanol-gasoline that can reduce the saturated vapor pressure Compound Additives

Method used

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  • Compound additive for methanol gasoline, and preparation method and application thereof
  • Compound additive for methanol gasoline, and preparation method and application thereof
  • Compound additive for methanol gasoline, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045]The methanol gasoline composite additive described in this example is prepared from the following components by weight: 20 parts of propylene glycol monopentyl ether, 40 parts of diisopropyl ether, 25 parts of dimethyl carbonate, dipolyoxyethylene fatty acid amide 5 parts, 0.03 parts of methylcyclopentadiene manganese tricarbonyl, 5 parts of lithium isooctanoate, 0.1 parts of 2-mercaptobenzothiazole and 0.3 parts of benzotriazole.

[0046] The methanol gasoline composite additive described in this embodiment is prepared by the following method: according to the above selected parts by weight, the propylene glycol monoamyl ether, diisopropyl ether, dimethyl carbonate, dipolyoxyethylene fatty acid amide , methylcyclopentadiene manganese tricarbonyl, lithium isooctanoate, 2-mercaptobenzothiazole and benzotriazole are mixed evenly and mixed in a static mixer.

[0047] Mix 5 parts of the composite additive prepared above with 95 parts of industrial methanol in a static mixer ...

Embodiment 2

[0052] The methanol-gasoline composite additive described in this example is prepared from the following components by weight: 30 parts of propylene glycol monopentyl ether, 25 parts of diisopropyl ether, 20 parts of dimethyl carbonate, dipolyoxyethylene fat 3 parts of amides, 0.03 parts of methylcyclopentadiene manganese tricarbonyl, 10 parts of alkyl methoxyisobutyrate, 0.5 parts of 2-mercaptobenzothiazole and 0.5 parts of benzotriazole.

[0053] The methanol gasoline composite additive described in this embodiment is prepared by the following method: according to the above selected parts by weight, the propylene glycol monoamyl ether, diisopropyl ether, dimethyl carbonate, dipolyoxyethylene fatty acid amide , methylcyclopentadiene manganese tricarbonyl, alkyl methoxy isobutyrate, 2-mercaptobenzothiazole and benzotriazole are mixed uniformly and mixed in a static mixer.

[0054] Mix 8 parts of the composite additive prepared above with 92 parts of industrial methanol in a st...

Embodiment 3

[0059] The methanol gasoline composite additive described in this embodiment is prepared from the following components by weight: 25 parts of propylene glycol monopentyl ether, 20 parts of diisopropyl ether, 35 parts of dimethyl carbonate, sorbitan fat 4 parts of acid ester (SPAN80), 1.0 part of cyclopentadiene manganese tricarbonyl, 15 parts of dodecyltrimethylammonium bromide, 1 part of methyl ethanolamine and 2 parts of benzotriazole.

[0060] The methanol gasoline composite additive described in this embodiment is prepared by the following method: according to the above-mentioned selected parts by weight, the propylene glycol monopentyl ether, diisopropyl ether, dimethyl carbonate, sorbitan fat Ester, cyclopentadiene manganese tricarbonyl, dodecyltrimethylammonium bromide, methyl ethanolamine and benzotriazole are mixed uniformly and mixed in a static mixer.

[0061] Mix 3 parts of the composite additive prepared above with 97 parts of industrial methanol in a static mixer...

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Abstract

The invention belongs to the field of clean fuels, and particularly relates to a compound additive for reducing saturated vapor pressure of methanol gasoline, and a preparation method for the compound additive, and application of the compound additive to preparation of M15-M25 methanol gasoline. The compound additive for the methanol gasoline consists of cosolvent, a dispersion stabilizer, a power accelerator, a vapor pressure adjustment inhibitor, a rubber swelling inhibitor, and a metal corrosion inhibitor in a selected weight part ratio. The compound additive for the methanol gasoline can effectively reduce the saturated vapor pressure of the methanol gasoline; even the compound additive is used in summer, the relative specification can also be met, the phenomenon of air resistance is avoided, and the technical problem that the methanol gasoline in a low proportion produces air resistance possibly in high-temperature summer, and cannot be supplied smoothly can be completely solved.

Description

technical field [0001] The invention belongs to the field of clean fuels, and in particular relates to a composite additive for reducing the saturated vapor pressure of methanol gasoline, a preparation method thereof, and an application thereof for preparing M15-M25 methanol gasoline. Background technique [0002] With the rapid development of my country's modern economy, car ownership is increasing year by year. Because automobile fuel mainly comes from petroleum products, its consumption is more than 70% of petroleum production, petroleum reserves are decreasing year by year, leading to the gradual depletion of petroleum resources, and the contradiction between supply and demand of petroleum is becoming increasingly prominent. China's current dependence on oil imports has exceeded 50%, and energy is in an unsafe state. Energy and environmental issues have become major issues restricting social and economic development. Therefore, the search for alternative energy sources...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/10C10L1/185C10L1/19C10L1/224C10L1/30C10L1/24C10L1/232C10L1/222C10L10/00
Inventor 洪正鹏商红岩
Owner DONGFANG HONGSHENG NEW ENERGY APPL TECH RES INST
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