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Nano-catalyst for high-efficiency gasoline pyrolysis

A nano-catalyst and pyrolysis gasoline technology, applied in the field of nano-catalysts, can solve the problems of short timeliness, high cost, ineffective PM particles, etc., and achieve the effects of increased range, improved light-off and durability, and increased disorder

Pending Publication Date: 2020-01-07
安徽省全天卫环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above method has short timeliness and high cost, and does not work on PM particles

Method used

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  • Nano-catalyst for high-efficiency gasoline pyrolysis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] see figure 1 , a nano-catalyst for high-efficiency pyrolysis gasoline, including catalysts with nano-bluestone honeycomb ceramics as a carrier, the surface of the catalyst carrier is coated with a primer coating and an outer coating, and the primer coating includes diisocyanate prepolymers, containing active double bonds Monohydroxy compounds, oxidizing agents and inhibitors, outer coating containing Al 2 o 3 -TiO 2 Composite oxide, active metal oxide NiO and Pd / Ce-Zr solid solution powder;

[0020] According to the ratio of parts by weight of the catalyst, the parts of the diisocyanate prepolymer in the primer coating are 4 to 10 parts, the parts of the monohydroxyl compound containing active double bonds are 2 to 4 parts, and the parts of the oxidizing agent are 4 to 6 parts and the number of polymerization inhibitors is 2 to 6 parts;

[0021] According to the weight and number ratio of the catalyst, Al in the outer layer coating 2 o 3 -TiO 2 The parts of compo...

Embodiment 2

[0026] According to the ratio of parts by weight of the catalyst, the number of parts of the diisocyanate prepolymer in the primer coating is 6-8 parts, the number of parts of the monohydroxyl compound containing active double bonds is 2 parts, and the number of parts of the oxidizing agent is 4 parts. and the number of parts of the polymerization inhibitor is 3 to 5 parts;

[0027] According to the weight and number ratio of the catalyst, Al in the outer layer coating 2 o 3 -TiO 2 The number of parts of the composite oxide is 8 parts, the number of parts of the active metal oxide NiO is 4-6 parts and the number of parts of the Pd / Ce-Zr solid solution powder is 3-4 parts.

[0028] Take 6-8 parts of diisocyanate prepolymer into the reaction kettle, and 2 parts of the active double bond-containing monohydroxyl compound is at least one of silicone or silicone fluorine-modified allyl ether and add it at the same time according to the formula 4 parts of oxidizing agent and 3-5 p...

Embodiment 3

[0031] According to the ratio of parts by weight of the catalyst, the parts of the diisocyanate prepolymer in the primer coating are 7 parts, the parts of the monohydroxyl compound containing active double bonds are 3 parts, the parts of the oxidizing agent are 5 parts and the barrier The number of parts of the polymerizing agent is 4 parts;

[0032] According to the weight and number ratio of the catalyst, Al in the outer layer coating 2 o 3 -TiO 2 The number of parts of the composite oxide is 9 parts, the number of parts of the active metal oxide NiO is 5 parts and the number of parts of the Pd / Ce-Zr solid solution powder is 3 parts.

[0033] Take 7 parts of diisocyanate prepolymer into the reactor, 3 parts of active double bond-containing monohydroxy compound is at least one of silicone or silicone fluorine-modified allyl ether, and add 5 parts at the same time according to the formula oxidant and 4 parts of polymerization inhibitor, the stirrer in the reaction kettle is s...

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Abstract

The invention discloses a nano-catalyst for high-efficiency gasoline pyrolysis. The catalyst takes nano-bluestone honeycomb ceramic as a carrier, the surface of the catalyst carrier is coated with a primer coat and an outer coat, the primer coat comprises a diisocyanate prepolymer, a monohydroxy compound containing active double bonds, an oxidant and a polymerization inhibitor, and the outer coatcontains an Al2O3-TiO2 composite oxide, an active metal oxide NiO and a Pd / Ce-Zr solid solution powder. Two coatings are arranged on an existing nano-carrier. The existing nano-carrier is coated withtwo coats, and the Al2O3-TiO2 composite oxide and the active metal oxide NiO are disorderly distributed in a NiO solution, so the movement disorder of the catalyst is increased during collision, the movement range of nano-catalyst particles is enlarged, the pyrolysis range is enlarged, and the durability of the catalyst is good; and a nano-technology and a multi-component catalysis technology arecombined and introduced into a combustion system, so the problem of pollution caused by incomplete combustion of automobile fuels is solved.

Description

technical field [0001] The invention relates to a nanometer catalyst, in particular to a nanometer catalyst for cracking gasoline with high efficiency. Background technique [0002] Since the existence of automobiles, the toxic and harmful gases and PM particles emitted by automobile exhaust have always been a major problem that has disturbed human beings; improving the thermal efficiency of automobiles is only the goal that experts are constantly pursuing. Both are the key problems to be solved. In order to reduce the harm of automobile exhaust to human beings, experts at home and abroad have tried their best and various measures. Mainly behind the exhaust port of the automobile engine, three-way catalysts are installed, starting with small balls, in order to improve the catalytic efficiency, change to honeycomb, and then change to thin-walled honeycomb, all of which are to increase the contact catalytic reaction area; On this basis, some other supplemental measures are ad...

Claims

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Application Information

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IPC IPC(8): B01J31/28B01D53/94
CPCB01J31/28B01D53/945B01D2258/01
Inventor 张永芳何长彪沈怀峰陈传学
Owner 安徽省全天卫环保科技有限公司
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