CN112480981A

CN112480981A - Gasoline and diesel oil catalyst

Info

Publication number: CN112480981A
Application number: CN201910866154.1A
Authority: CN
Inventors: 孙刚
Original assignee: Xi'an Meigangda Technology Development Co ltd
Current assignee: Xi'an Meigangda Technology Development Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2021-03-12

Abstract

The invention relates to a gasoline and diesel oil catalyst, which comprises the following raw materials in parts by mass: 20-30% of titanium-containing surfactant, 14-22% of catalyst carrier, 5-15% of graphene, 15-35% of nano titanium dioxide, 10-23% of rare earth metal oxide, 2-5% of smoke suppressor and 1-3% of rust remover. The gasoline and diesel oil catalyst can be added into various types of gasoline or diesel oil, can save a large amount of fuel while achieving the purpose of combustion, can prevent toxic gases such as sulfur dioxide, hydrogen sulfide and the like in waste gas from being discharged into the atmosphere, and is an environment-friendly fuel oil catalyst; the nano-gold fuel additive reduces the emission of harmful substances by 91-94% after the fuel is combusted by the mutual cooperation of the components, and simultaneously improves the fuel saving rate of vehicles by 30-35%.

Description

Gasoline and diesel oil catalyst

Technical Field

The invention belongs to the technical field of fuel oil catalysts, and particularly relates to a gasoline and diesel oil catalyst.

Background

With the rapid increase of traffic vehicles in modern society, a large amount of harmful substances are generated due to insufficient combustion of machine liquid fuels such as gasoline, diesel oil, oil and the like in the use process, the living environment is seriously polluted, and the threat to the health of people is caused.

The fuel oil catalyst can play a role in promoting combustion in the combustion process of fuel, and the advantages of complete combustion are that the consumption of fuel is reduced, the exhaust emission is reduced, the deposition of oil residue on the surface of an engine is reduced, and the power performance of a locomotive is improved. However, most of the common fuel additives on the market are of a micro-cleaning type, have a certain cleaning effect, but the cleaning of carbon deposited and discharged is easy to block the three-way catalyst, so that the high-temperature damage and failure of the three-way catalyst are accelerated.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a gasoline and diesel catalyst. The technical problem to be solved by the invention is realized by the following technical scheme:

a gasoline and diesel oil catalyst comprises the following raw materials in parts by mass: 20-30% of titanium-containing surfactant, 14-22% of catalyst carrier, 5-15% of graphene, 15-35% of nano titanium dioxide, 10-23% of rare earth metal oxide, 2-5% of smoke suppressor and 1-3% of rust remover.

Preferably, the titanium-containing surfactant is: the mass ratio of the butyl titanate to the cetyl trimethyl ammonium chloride to the benzyl trimethyl ammonium chloride is 1: 1.

Preferably, the titanium-containing surfactant is a mixture of isopropyl titanate and n-dodecylamine in a mass ratio of 1: 1.

Preferably, the catalyst carrier is a mixture of clinoptilolite and diatomite, and the mass ratio of the clinoptilolite to the diatomite is 2: 1.

Preferably, the clinoptilolite is formed by modifying natural clinoptilolite with calcium nitrate.

Preferably, the graphene is graphene oxide.

Preferably, the rare earth metal oxide comprises one or more of holmium oxide, zirconium oxide and cerium oxide.

Preferably, the smoke suppressant is a-alkyl barium fatty acid.

Preferably, the rust remover is a mixture of disodium ethylene diamine tetraacetate, sorbitan monooleate and methanol in a mass ratio of 1:2: 1.

Compared with the prior art, the invention has the beneficial effects that:

1. the gasoline and diesel oil catalyst can be added into various types of gasoline or diesel oil, can save a large amount of fuel while achieving the purpose of combustion, can prevent toxic gases such as sulfur dioxide, hydrogen sulfide and the like in waste gas from being discharged into the atmosphere, and is an environment-friendly fuel oil catalyst.

2. The gasoline and diesel oil catalyst of the invention participates in combustion, and the reaction speed can be accelerated by adding a lower proportion into fuel oil; and enables the reaction to occur at relatively low temperatures; the activation energy required in the reaction is reduced; no secondary pollution is caused; the gasoline and diesel oil catalyst of the invention carries out instant catalysis on combustible substances and generates active oxygen to support combustion at a very fast speed, thereby achieving the effect of complete combustion.

3. The titanium-containing surfactant of the gasoline and diesel oil catalyst can enable graphene and nano titanium dioxide to be rapidly and uniformly dispersed in other components, and when the surfactant is added into fuel oil, the graphene and nano titanium dioxide can be more uniformly dispersed in the fuel oil, so that combustion is complete, and carbon deposition can be effectively cleaned.

4. The rare earth metal oxide of the gasoline and diesel oil catalyst can reduce the emission of toxic waste gas and particles; can be used as a chemically active component, and provides a sufficient combustion improver for the combustion of fuel oil by releasing oxygen during the reduction of the gas and removing the oxygen by reaction with an oxide as an oxygen reservoir.

5. The gasoline and diesel oil catalyst can weaken the acting force among fuel oil molecules, effectively decompose the fuel oil molecules and build unequal agglomeration structures, and form gasified atomized particles taking dispersed nano particles as centers; the total interface of a fuel system is increased, and the contact area with air is increased, so that the combustion speed is improved; the combustion speed is increased, so that the motive power is obviously enhanced; meanwhile, the specific surface area of the nano fuel oil is increased, atomized particles are reduced, the combustion efficiency of the fuel oil is increased, the combustion is more sufficient and thorough, and the discharge amount of harmful gases is greatly reduced.

Detailed Description

The present invention will be described in further detail with reference to specific examples, but the embodiments of the present invention are not limited thereto.

Example one

The gasoline and diesel oil catalyst comprises the following raw materials in parts by mass: 28% of titanium-containing surfactant, 18% of catalyst carrier, 8% of graphene, 26% of nano titanium dioxide, 15% of rare earth metal oxide, 3% of smoke suppressor and 2% of rust remover.

In the embodiment, the titanium-containing surfactant is a mixture of butyl titanate, hexadecyl trimethyl ammonium chloride and benzyl trimethyl ammonium chloride in a mass ratio of 1: 1.

The catalyst carrier can be a mixture of clinoptilolite and diatomite, and the mass ratio of the clinoptilolite to the diatomite is 2: 1; the particle size of the diatomaceous earth is 100-200 microns. Clinoptilolite has the chemical formula of Na (AlSi)₅O₁₂)·4H₂O, monoclinic system, no deformation after the clinoptilolite is heated and dehydrated, and relatively stable structure, and is a good natural molecular sieve material. Clinoptilolite also has catalytic performance, can be used as a catalyst and a carrier, and other components are uniformly dispersed on the surface of the clinoptilolite, so that the catalytic performance of the gasoline and diesel catalyst is improved. In this embodiment, the clinoptilolite is preferably a natural clinoptilolite modified with calcium nitrate. The catalytic performance can be further improved by modifying the clinoptilolite.

Diatomaceous earth is made of amorphous SiO₂Composition and containing a small amount of Fe₂O₃、CaO、MgO、Al₂O₃And organic impurities. Diatomite is generally light yellow or light gray, soft, porous and light, and is commonly used as a heat insulation material, a filter material, a filler, a grinding material, a water glass raw material, a decolorizing agent, a diatomite filter aid, a catalyst carrier and the like in industry. The diatomite has a porous structure, and the porosity of the diatomite reaches 90 to 92 percent, so that the diatomite can be used as an excellent carrier of a catalyst. The particle size of the diatomaceous earth used in this example was 100-200 microns.

The nano titanium dioxide is used as a titanium catalyst. When the nano titanium dioxide fuel oil catalyst is applied, under the action of a titanium-containing surfactant and a catalyst carrier, an active center can be better formed on the surface of fuel oil, volatile matters are easy to separate out, the combustion efficiency of the fuel oil is improved, and the oil consumption is saved.

The graphene in the present embodiment is preferably graphene oxide.

The rare earth metal oxide in the present embodiment is preferably a mixture of holmium oxide and zirconium oxide. The mixture of holmium oxide and zirconium oxide is used as an auxiliary agent of the gasoline and diesel oil catalyst, so that the thermal stability and the mechanical strength of the catalyst can be improved, the activity and the oxygen storage capacity of the catalyst are improved, and the catalytic performance is improved.

The smoke suppressor in this example is barium a-alkyl fatty acid. The a-alkyl fatty acid barium is an oil-soluble metal compound, and can play a good role in preventing smoke generation when fuel oil is combusted by combining the titanium-containing surfactant and other components of the gasoline and diesel oil catalyst.

The rust remover in the embodiment is a mixture of disodium ethylene diamine tetraacetate, sorbitan monooleate and methanol in a mass ratio of 1:2: 1. The sorbitan monooleate has the function of chelating metal ions, and when the rust remover prepared by proportionally mixing the sorbitan monooleate with the ethylene diamine tetraacetic acid and the methanol is added into fuel oil along with a gasoline and diesel oil catalyst, the rust remover can more effectively remove rust.

Example two

The gasoline and diesel oil catalyst comprises the following raw materials in parts by mass: 20% of titanium-containing surfactant, 22% of catalyst carrier, 5% of graphene, 35% of nano titanium dioxide, 10% of rare earth metal oxide, 5% of smoke suppressor and 3% of rust remover.

In the embodiment, the titanium-containing surfactant is a mixture of isopropyl titanate and n-dodecylamine in a mass ratio of 1: 1.

The catalyst carrier can be a mixture of clinoptilolite and diatomite, and the mass ratio of the clinoptilolite to the diatomite is 2: 1. Diatomaceous earth is made of amorphous SiO₂Composition and containing a small amount of Fe₂O₃、CaO、MgO、Al₂O₃And organic impurities. Particle ruler of diatomaceous earth selected in this exampleThe size is 100 and 200 microns.

In this embodiment, the rare earth oxide is ceria, and ceria is used as a catalytic promoter.

EXAMPLE III

The gasoline and diesel oil catalyst comprises the following raw materials in parts by mass: 30% of titanium-containing surfactant, 14% of catalyst carrier, 15% of graphene, 15% of nano titanium dioxide, 23% of rare earth metal oxide, 2% of smoke suppressor and 1% of rust remover.

In the embodiment, the titanium-containing surfactant is a mixture of butyl titanate, hexadecyl trimethyl ammonium chloride and benzyl trimethyl ammonium chloride in a mass ratio of 1: 1. The catalyst carrier can be a mixture of clinoptilolite and diatomite, and the mass ratio of the clinoptilolite to the diatomite is 2: 1; the particle size of the diatomaceous earth is 100-200 microns. The titanium catalyst is preferably nano-titania. The rare earth element is zirconia, and the mixture of zirconia and cerium dioxide is used as a catalytic assistant with any mixing proportion.

Comparative example 1

The difference between the comparative example and the first example is that the nano titanium dioxide is not added in the components, and other components are not changed. Namely the components comprise: 28% of titanium-containing surfactant, 18% of catalyst carrier, 8% of graphene, 15% of rare earth metal oxide, 3% of smoke suppressor and 2% of rust remover.

Comparative example No. two

The difference between the comparative example and the first example is that graphene is not added in the components, and other components are not changed. Namely the components comprise: 28% of titanium-containing surfactant, 18% of catalyst carrier, 26% of nano titanium dioxide, 15% of rare earth metal oxide, 3% of smoke suppressor and 2% of rust remover.

Comparative example No. three

The comparative example is different from the first example in that the catalyst carrier is not added in the components, and other components are not changed. Namely the components comprise: 28% of titanium-containing surfactant, 8% of graphene, 26% of nano titanium dioxide, 15% of rare earth metal oxide, 3% of smoke suppressor and 2% of rust remover.

The physical and chemical properties of the gasoline and diesel oil catalyst are shown in the table 1:

table 1 results of physical and chemical property measurements of the gasoline and diesel catalyst of the present invention

Detecting items	Performance index
		Appearance of the product	Liquid, method for producing the same and use thereof
Colour(s)	Yellow colour
		PH	Neutral property
Smell(s)	Is free of
		Volatility	Volatile
Solubility in water	Dissolving in water
		Stability of	Diazepam
Hazardous decomposition products	Is free of
		Decomposition products	No decomposition products and other irritative substances are generated under normal stirp conditions
Acute toxicity	Without known significant effects and risks
		Subacute and chronic toxicity	Without known significant effects and risks
Carcinogenicity	Without known significant effects and risks
		Environmental hazard	Generally not harmful to water, if not allowed by the government, not to discharge the material into the surrounding environment

The gasoline and diesel oil catalysts of the examples and the comparative proportions are added into gasoline according to the proportion, and the experimental results are shown in the table 2:

table 2 results of testing the gasoline and diesel oil catalysts of each example and comparative example in gasoline

	Reduction in harmful substance emission (%)	Average fuel saving rate increase (%)
			Example one	94	35
Example two	92	32
			EXAMPLE III	91	30
Comparative example 1	35	5
			Comparative example No. two	42	7
Comparative example No. three	40	6

As can be seen from the table, the nano-gold fuel additive of the invention reduces the discharge amount of harmful substances by 91-94% after the fuel is combusted through the mutual cooperation of the components, and simultaneously improves the fuel saving rate of vehicles by 30-35%.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. The gasoline and diesel oil catalyst is characterized by comprising the following raw materials in parts by mass: 20-30% of titanium-containing surfactant, 14-22% of catalyst carrier, 5-15% of graphene, 15-35% of nano titanium dioxide, 10-23% of rare earth metal oxide, 2-5% of smoke suppressor and 1-3% of rust remover.

2. The gasoline and diesel catalyst of claim 1 wherein the titanium-containing surfactant is: the mass ratio of the butyl titanate to the cetyl trimethyl ammonium chloride to the benzyl trimethyl ammonium chloride is 1: 1.

3. The gasoline and diesel catalyst of claim 1 wherein the titanium-containing surfactant is a mixture of isopropyl titanate and n-dodecylamine in a mass ratio of 1: 1.

4. The gasoline-diesel catalyst as claimed in claim 1, wherein the catalyst carrier is a mixture of clinoptilolite and diatomaceous earth, and the mass ratio of clinoptilolite to diatomaceous earth is 2: 1.

5. The gasoline and diesel catalyst as claimed in claim 1, wherein the clinoptilolite is a natural clinoptilolite modified with calcium nitrate.

6. The gasoline and diesel catalyst of claim 1 wherein the graphene is graphene oxide.

7. The gasoline and diesel catalyst of claim 1 wherein the rare earth metal oxide comprises one or more of holmium oxide, zirconium oxide, and cerium oxide.

8. The gasoline and diesel catalyst of claim 1 wherein the smoke suppressant is a barium a-alkyl fatty acid.

9. The gasoline and diesel catalyst as claimed in claim 1, wherein the rust remover is a mixture of disodium ethylene diamine tetraacetate, sorbitan monooleate and methanol in a mass ratio of 1:2: 1.