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Method for preparing sugar alcohol ethylation biology liquid fuel

A biological liquid, ethylation technology, applied in the direction of liquid carbon-containing fuel, fuel, petroleum industry, etc., can solve the problems of poor combustion performance, poor glycerol fluidity, change the fluidity and combustion performance of glycerin, etc. Combustion performance, effect of freezing point reduction

Inactive Publication Date: 2016-02-24
梅庆波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention: Aiming at the problems that the gasification and liquefaction reactions of biofuels will produce tar, and glycerol has poor fluidity and poor combustion performance, a preparation method of sugar alcohol ethylated bioliquid fuel is provided, In the present invention, sucrose, mannitol, and glycerin are firstly mixed, then sodium hydroxide and monochloroethane are added for reaction, and after the reaction, the reaction is left to stand, and chloroform is added after adjusting the pH value in the supernatant liquid to obtain ethylated mixed liquid. The eucalyptus fruit is soaked in n-butanol, grinded, filtered and other processes to obtain the eucalyptus bio-oil, and then mixed with a catalyst made of calcium oxide, then added to the cracking furnace to obtain hydrocarbon-rich bio-oil , the ethylated mixed liquid is mixed with hydrocarbon-rich bio-oil to obtain a kind of sugar alcohol ethylated bio-liquid fuel. The present invention utilizes sucrose, mannitol and etherifying agent monochloroethane to successfully realize oligomerization by one-step reaction The liquefaction of sugar and sugar alcohol will not produce gaseous by-products, the ethylation of glycerin also changes the fluidity and combustion performance of glycerin, and the bio-oil produced by light bark wood is added to it to make the freezing point of fuel reduce

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0021] 11.First, weigh 100g of sucrose, 100g of mannitol and 100mL of glycerin into three reaction kettles, add 200mL of distilled water to each of the three reaction kettles, and then add sodium hydroxide into the reaction kettles in amounts of 90g, 100g and 130g respectively , stir with a magnetic stirrer at a speed of 300r / min for 10min; add 100mL, 150mL and 160mL monochloroethane to the well-stirred reaction kettle, seal the reaction kettle, place it in a magnetic stirring oil bath, and Stir at a speed of 300r / min, program temperature rise to 130°C at a rate of 5°C / min while stirring, and keep warm for 7h; after the reaction, let stand for 2h to allow natural stratification, and pour the upper layer into 500mL beakers respectively , dropwise add sulfuric acid solution with a mass concentration of 50% to adjust the pH to 6, then add 1 / 3 of its volume of chloroform to the supernatant, stir evenly with a glass rod, shake the shaker for 1 hour, and then put In the concentrati...

example 2

[0024] 13. First weigh 125g of sucrose, 125g of mannitol and 125mL of glycerin into three reaction kettles, add 250mL of distilled water to each of the three reaction kettles, and then add sodium hydroxide into the reaction kettles in amounts of 93g, 103g and 133g respectively , stir with a magnetic stirrer at a speed of 350r / min for 15min; respectively add 105mL, 155mL and 165mL monochloroethane into the stirred reactor, seal the reactor, place it in a magnetic stirring oil bath, and Stir at a speed of 350r / min, program temperature rise to 140°C at a rate of 5°C / min while stirring, and keep warm for 8 hours; after the reaction, let it stand for 2.5 hours to allow natural stratification, and pour the upper layer into 500mL beakers Add sulfuric acid solution with a mass concentration of 50% drop by drop to adjust the pH to 6.5, then add 5 / 12 of its volume of chloroform to the supernatant, stir evenly with a glass rod, shake the shaker for 1.5h, and then Put it into a concentra...

example 3

[0027] 15. First, weigh 150g of sucrose, 150g of mannitol and 150mL of glycerin into three reaction kettles, add 300mL of distilled water to each of the three reaction kettles, and then add sodium hydroxide into the reaction kettles, the addition amount is 95g, 105g and 135g respectively , stir with a magnetic stirrer at a speed of 400r / min for 20min; respectively add 110mL, 160mL and 170mL monochloroethane into the stirred reactor, seal the reactor, place it in a magnetic stirring oil bath, and Stir at a speed of 400r / min, program temperature rise to 150°C at a rate of 5°C / min while stirring, and keep warm for 9h; after the reaction, let it stand for 3h to allow natural stratification, and pour the upper layer into 500mL beakers respectively , add sulfuric acid solution with a mass concentration of 50% drop by drop to adjust the pH to 7, then add 1 / 2 of the volume of chloroform to the supernatant, stir evenly with a glass rod, shake the shaker for 2 hours, and then put In th...

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Abstract

The invention discloses a method for preparing sugar alcohol ethylation biology liquid fuel, and belongs to the field of fuels. The method includes the following steps: mixing sucrose, mannitol and glycerin; adding sodium hydroxide and monochloroethane for reaction; enabling the mixture after reaction to be subjected to standing; adjusting the pH value of the supernatant, and then adding trichloromethane in the supernatant to obtain ethylation mixed liquor; taking fruits of cornus wilsoniana, and obtaining the bio-oil of fruits of cornus wilsoniana after processes of soaking with n-butyl alcohol, grinding, filtration, and the like; mixing a catalyst prepared from calcium oxide with the bio-oil, so as to obtain hydrocarbon-enriched bio-oil; mixing the ethylation mixed liquor with the hydrocarbon-enriched bio-oil to obtain the sugar alcohol ethylation biology liquid fuel. According to the invention, sucrose, mannitol and monochloroethane (an etherifying agent) is successfully subjected to one-step reaction to realize liquidation of oligosaccharide and sugar alcohol without generating gaseous by-product, besides, the ethylation of glycerin changes fluidity and combustion performance of glycerin, and the bio-oil generated by cornus wilsoniana is added, so that the condensation point of the fuel is reduced.

Description

technical field [0001] The invention discloses a preparation method of sugar alcohol ethylated biological liquid fuel, which belongs to the field of fuel. Background technique [0002] The petroleum, coal, and natural gas fossil energy commonly used by humans are non-renewable, have limited global reserves, and emit large amounts of greenhouse gases and pollutants. With the over-exploitation and utilization of global oil resources, petrochemical resources are facing the danger of depletion, and the CO emitted during the use of petrochemical fuel 2 Greenhouse gases such as greenhouse gases and other waste gas pollution have also become a huge challenge for human beings, seriously destroying the ecological balance. A series of problems such as the depletion of petrochemical energy and the deterioration of the ecological environment have become increasingly prominent, which has greatly accelerated the development and application of clean alternative fuels. [0003] Biomass re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/00C10L1/04
Inventor 梅庆波王志慧林大伟
Owner 梅庆波
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