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Additive composition for improving NOx emission in M85 methanol gasoline

A methanol gasoline and additive technology is applied in the field of additives for M85 methanol gasoline and additives for improving NOx emission of M85 methanol gasoline, which can solve the problem of insignificant NOx effect, failure of three-way catalyst and oxygen sensor, and inability to reduce three major pollutants at the same time. Emissions and other issues, to avoid secondary pollution, reduce emissions significantly, and make up for technical defects

Active Publication Date: 2014-04-30
甘肃桑田清洁能源开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fuel additives used in the existing internal purification technology have the following defects: 1) Due to the addition of organic compounds that cannot really be burned, a large amount of metal deposits gradually accumulate in the combustion chamber, oxygen sensor, and three-way catalytic converter, which easily leads to carbon deposition in the combustion chamber Deposition, three-way catalytic converter and oxygen sensor failure, leading to various related failures
2) Unable to reduce the emissions of the three major pollutants in automobiles at the same time
Often while reducing CO and HC, the effect on NOx is not obvious

Method used

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  • Additive composition for improving NOx emission in M85 methanol gasoline
  • Additive composition for improving NOx emission in M85 methanol gasoline
  • Additive composition for improving NOx emission in M85 methanol gasoline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Take 18kg of 4-fluorobenzylmagnesium chloride, 13.5kg of 2-(tributylstannyl)furan and 19kg of diethyl phenylphosphonate into the stirred tank, stir evenly at room temperature, add 19kg of diethyldiselenide, 14.5 kg of boron trifluoride ether and 16 kg of tripropanol vanadium oxide (V) were mixed uniformly to obtain a finished additive composition for improving the NOx emission of M85 methanol gasoline.

[0037] Taking the national standard gasoline as a blank control, common M85 methanol gasoline was prepared with the same brand of national standard gasoline, and 0.02% of the additive composition of Example 1 of the present invention was added to the common M85 methanol gasoline. Use the above 3 kinds of oil products to conduct power and exhaust emission testing. The test method was carried out in accordance with the "Limits and Measurement Methods of Pollutant Emissions from Light-Duty Vehicles" (GB 18352.3-2005) to study the transient conventional pollutant emission char...

Embodiment 2

[0046] Take 18kg of 4-fluorobenzylmagnesium chloride, 14.5kg of 2-(tributylstannyl)furan and 20kg of diethyl phenylphosphonate into the stirred tank, stir evenly at room temperature, add 15kg of diethyldiselenide, 15 kg of boron trifluoride ether and 17.5 kg of tripropanol vanadium oxide (V) are mixed uniformly to obtain a finished additive composition for improving the NOx emission of M85 methanol gasoline.

[0047] Figure 5 , 6 , 7 are the emission comparison diagrams of exhaust pollutants CO, HC and NOx respectively. It can be seen from the figure that for the conventional pollutants CO and CH of automobile exhaust, the emissions of ordinary methanol gasoline are significantly lower than that of the national standard gasoline, but the NOx emission is close to that of gasoline, and there is an increase under partial load conditions. After adding 0.02% of the additive composition of Example 2 of the present invention to ordinary M85 methanol gasoline, NOx emissions are signific...

Embodiment 3

[0049] Take 25kg of 4-fluorobenzylmagnesium chloride, 16kg of 2-(tributylstannyl)furan and 15kg of diethyl phenylphosphonate into the stirred tank, stir evenly at room temperature, and add 16kg of diethyl diselenide, three 12 kg of boron fluoride ether and 16 kg of tripropanol vanadium oxide (V) were mixed uniformly to obtain a finished additive composition for improving the NOx emission of M85 methanol gasoline.

[0050] Figure 8 , 9 , 10 are the emission comparison diagrams of exhaust pollutants CO, HC and NOx respectively. Among them, after adding 0.04% of the additive composition of Example 3 of the present invention to ordinary M85 methanol gasoline, NOx emissions are significantly improved.

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Abstract

The invention discloses an additive composition for improving NOx emission in M85 methanol gasoline. The additive composition is prepared by mixing the following components: 18.0-31.0% of 4-fluorobenzylmagnesium chloride, 15.0-29.5% of diethyl diselenide, 15.0-24.5% of diethyl benzylphosphonate, 13.0-24.0% of tripropanol vanadium oxide (V), 10.0-20.5% of trifluoride diethyl etherate and 9.0-19.5% of 2-(tributyltin alkyl) furan. The additive composition has an obvious effect of improving the NOx emission in M85 methanol gasoline at high proportion; when 0.02-0.05% of the additive composition is added into common M85 methanol gasoline, the NOx emission can be reduced by over 30%.

Description

Technical field [0001] The invention belongs to the technical field of methanol replacing vehicle fuel, and relates to an additive for M85 methanol gasoline, in particular an additive for improving the NOx emission of M85 methanol gasoline. Background technique [0002] As the world's oil resources are becoming increasingly scarce and air pollution is becoming more and more serious, the energy crisis has become a bottleneck restricting economic development, and new alternative fuels have attracted attention from all parties. my country's dependence on foreign oil has exceeded 53%, and energy and environmental issues restrict the rapid development of my country's economy. my country is a country that is poor in oil and gas but relatively rich in coal. It is completely feasible to use coal to produce methanol instead of part of the oil. Using methanol as an alternative fuel for internal combustion engines is an effective way to protect the environment and rationally use energy. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L10/00C10L1/30C10L1/26C10L1/24
Inventor 赵清林郭四虎康文举赵磊
Owner 甘肃桑田清洁能源开发有限公司
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