High cleanness methanol diesel and preparation method thereof
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A methanol and diesel technology, which is applied to the composition and preparation of high-clean methanol diesel, can solve the problems of perishable stratification, low calorific value, strong hydrophilicity, etc., and achieves the effects of stable operation, stable storage and stable combustion
Inactive Publication Date: 2011-07-27
ZHENGZHOU HUILV TECH
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[0003] Affected by the above factors, there is a serious shortage of diesel oil supply at home and abroad, which has brought great inconvenience to economic development and people's lives. In order to solve the problem of diesel shortage, the country has issued many relevant policies to encourage diesel oil to replace it. The development of energy, biodiesel is one of them, but because the production of biodiesel is limited by raw materials, biodiesel cannot really become an energy substitute product. Therefore, many domestic enterprises and individuals have begun to study methanol diesel, but encountered problems in the process
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[0013] Example 1
[0014] National standard diesel 76wt%, methanol 12wt%, co-solvent 10wt%, methyl tert-butyl ether 2wt%, ethyl nitrate 0.02wt%. Among them, the preparation ratio of methanol diesel co-solvent: vegetable oleic acid 25wt%, fatty acid methyl ester 10wt%, formaldehyde fat 10wt%, cyclohexylamine 5wt%, aviation kerosene 50wt%.
[0015] Preparation method: as shown in the figure, add methanol 12% and co-solvent 10% in sequence to the reaction kettle, turn on the stirrer for mixing (the stirrer speed is 30r / min). After 10 minutes, add 76% of national standard diesel oil, 2wt% of methyl tert-butyl ether, and 0.02wt% of ethyl nitrate in sequence, and continue stirring for 20 minutes (agitator rotation speed 80r / min). The reacted materials are sheared and emulsified by a nanoemulsifier (rotating speed 2880r / min), and left and mixed for 1.2h with a high-energy static mixer. After treatment, they can be prepared into high-clean methanol diesel with a particle diameter of 0.5nm...
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[0016] Example 2
[0017] National standard diesel oil 55wt%, methanol 20wt%, co-solvent 20wt%, methyl tert-butyl ether 3wt%, ethyl nitrate 2wt%. Among them, the preparation ratio of methanol diesel co-solvent: vegetable oleic acid 30wt%, fatty acid methyl ester 20wt%, formaldehyde 10wt%, cyclohexylamine 10wt%, aviation kerosene 30wt%.
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[0018] Example 3
[0019] National standard diesel 50wt%, methanol 30wt%, co-solvent 16wt%, methyl tert-butyl ether 2wt%, ethyl nitrate 2wt%. Among them, the preparation ratio of methanol diesel co-solvent: vegetable oleic acid 40wt%, fatty acid methyl ester 20wt%, formaldehyde 9wt%, cyclohexylamine 10wt%, aviation kerosene 21wt%.
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Abstract
The invention discloses high cleanness methanol diesel and a preparation method thereof. The high cleanness methanol diesel consists of the following components in percentage by weight: 20 to 80 percent of national standard diesel, 10 to 45 percent of methanol, 10 to 35 percent of cosolvent, 2 to 10 percent of methyl tertiary butyl ether, and 0.01 to 2.5 percent of ethyl nitrate, wherein the cosolvent comprises the following components in percentage by weight: 10 to 40 percent of vegetable oil acid, 10 to 25 percent of fatty acid methyl ester, 5 to 10 percent of diethyl formal, 1 to 10 percent of cyclohexane and 10 to 50 percent of aviation kerosene. The preparation method comprises the following steps of: adding the raw materials into a reaction kettle in a certain ratio, and performing reaction; and after the reaction, treating by using a nano emulsifier and a high energy static mixer to obtain the product, wherein the product has the particle diameter of 0.5 to 10nm. The invention has the advantages of high technical content and simple process; and the product has stable performance, the quality meets No.0, No.-10 and No.-20 diesel oil standards in GB252-2000, and the diesel can serve as oil for motor vehicles to be widely promoted.
Description
technical field [0001] The invention belongs to the technical field of methanol fuel, and relates to a composition of high-clean methanol diesel and a preparation method thereof. Background technique [0002] Since the outbreak of the oil crisis in the 1970s, the supply of oil has become more and more tense, and the price of oil has repeatedly hit new highs. At the end of 2007, it broke through the mark of 100 US dollars per barrel. It is estimated that by 2030, the world's oil demand will reach 117.6 million barrels per day. The extra demand of 31.7 million barrels per day is equivalent to 3 Saudi Arabia's daily oil production. From the perspective of my country's situation, with the rapid development of the national economy in recent years, my country's demand for oil resources continues to grow. Even if the consumption growth rate is relatively slow, the oil supply gap in 2010 and 2020 will be 1.5× respectively. 10 8 t and 2.5×10 8 t. At that time, my country's depende...
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