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Additive for improving resisting phase separation performance and heat value of methanol gasoline

A technology of methanol gasoline and additives, which is applied in the petroleum industry, liquid carbon-containing fuels, fuels, etc., can solve the problems of abnormal use and storage and transportation calorific value, increased fuel consumption of methanol gasoline, and easy air lock, etc., to achieve excellent performance Water resistance to phase separation, reduced fuel consumption, reduced mechanical wear

Inactive Publication Date: 2012-02-08
西安祺祥能源科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the nature of methanol gasoline with strong polarity and low calorific value, the methanol gasoline formed in this way will become turbid and phase-separated when it encounters water and low temperature during use. It cannot be used normally and has low calorific value. Corresponding increase in fuel consumption
In the use of methanol gasoline, it is difficult to ignite in winter, and it is easy to have the defect of air lock in summer

Method used

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  • Additive for improving resisting phase separation performance and heat value of methanol gasoline

Examples

Experimental program
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Effect test

Embodiment 1

[0015] An additive for improving the anti-phase separation performance and calorific value of methanol gasoline, which is composed of the following raw materials in weight percent: fatty alcohol 35%, fatty ether 20%, fatty ester 30%, fatty acid 7%, fatty amine 5%, emulsifier OP 3 %; the fatty alcohol is isoamyl alcohol, the fatty ether is ethylene glycol propyl ether, the fatty ester is butyl acetate, the fatty acid is oleic acid, the fatty amine is dimethylamine, and the emulsifying Agent OP is emulsifier OP-15.

[0016] The preparation method of the additive in this example is as follows: mix the above-mentioned raw materials uniformly in proportion.

Embodiment 2

[0018] The additive of this embodiment is the same as that of Example 1, wherein the difference is that the fatty alcohol is isopropanol, n-propanol, n-pentanol or n-butanol, or is isopropanol, n-propanol, n-pentanol At least two of alcohol, isoamyl alcohol and n-butanol, the fatty ether is ethylene glycol ethyl ether or ethylene glycol butyl ether, or ethylene glycol propyl ether, ethylene glycol ethyl ether and ethylene glycol butyl ether At least two, the fatty ester is n-pentyl acetate or isoamyl acetate, or at least two of butyl acetate, n-pentyl acetate and isoamyl acetate, and the fatty acid is naphthenic acid, or is Oleic acid and naphthenic acid, the fatty amine is diethylamine, or dimethylamine and diethylamine, and the emulsifier OP is emulsifier OP-20, or emulsifier OP-15 and emulsifier OP- 20.

[0019] The preparation method of the additive in this embodiment is the same as that in Example 1.

Embodiment 3

[0021] An additive for improving the anti-phase separation performance and calorific value of methanol gasoline, which is composed of the following raw materials in weight percent: fatty alcohol 44%, fatty ether 15%, fatty ester 25%, fatty acid 10%, fatty amine 5%, emulsifier OP 1 %; the fatty alcohol is Virahol (14%) and n-amyl alcohol (30%), the fatty ether is ethylene glycol ether, the fatty ester is butyl acetate, and the fatty acid is oleic acid, the The fatty amine is dimethylamine, and the emulsifier OP is emulsifier OP-15.

[0022] The preparation method of the additive in this example is as follows: mix the above-mentioned raw materials uniformly in proportion.

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Abstract

The invention discloses an additive for improving resisting phase separation performance and a heat value of methanol gasoline. The additive consists of the following raw materials in percentage by weight: 35-45 percent of aliphatic alcohol, 10-20 percent of aliphatic ether, 15-30 percent of aliphatic ester, 5-15 percent of aliphatic acid, 1-5 percent of aliphatic amine and 0.1-3 percent of emulsifier OP, wherein the aliphatic alcohol is one or more of isopropyl alcohol, n-propanol, n-amyl alcohol, isoamyl alcohol and n-butyl alcohol; the aliphatic ether is one or more of ethylene glycol methyl ether, ethylene glycol ethyl ether and ethylene glycol butyl ether; the aliphatic ester is one or more of butyl acetate, n-amyl acetate and isoamyl acetate; the aliphatic acid is oleic acid and / or naphthenic acid; the aliphatic amine is dimethylamine and / or diethylamine; and the emulsifier OP is emulsifier OP-15 and / or emulsifier OP-20. The methanol gasoline in which the additive is added has superior low-temperature resisting phase separation and water resisting phase separation performances and an obviously improved heat value.

Description

technical field [0001] The invention belongs to the technical field of methanol fuel, and in particular relates to an additive for improving the phase separation resistance and calorific value of methanol gasoline. Background technique [0002] Methanol has a wide range of sources, mature production technology, and low cost, and can be used as a clean fuel for vehicles. Experiments have proved that anhydrous methanol can be miscible with commercial gasoline in any proportion, and can form clear liquid methanol gasoline. However, due to the nature of methanol gasoline with strong polarity and low calorific value, the methanol gasoline formed in this way will become turbid and phase-separated when it encounters water and low temperature during use. It cannot be used normally and has low calorific value. The fuel consumption ratio increases accordingly. In the use of methanol gasoline, it is also difficult to ignite in winter, and the defect of air lock is prone to occur in s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/222C10L1/198C10L1/19C10L1/188C10L1/185C10L1/182
Inventor 李发忠范旗
Owner 西安祺祥能源科技发展有限公司
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