CN109225354A - A kind of preparation method of ternary catalyzing unit cleaning agent - Google Patents
A kind of preparation method of ternary catalyzing unit cleaning agent Download PDFInfo
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- CN109225354A CN109225354A CN201810952159.1A CN201810952159A CN109225354A CN 109225354 A CN109225354 A CN 109225354A CN 201810952159 A CN201810952159 A CN 201810952159A CN 109225354 A CN109225354 A CN 109225354A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/08—Acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/60—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/60—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
- B01J38/62—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids organic
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/265—Carboxylic acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/40—Products in which the composition is not well defined
- C11D7/44—Vegetable products
Abstract
The present invention relates to field of fine chemical, particularly with regard to a kind of preparation method of ternary catalyzing unit cleaning agent；A kind of preparation method of ternary catalyzing unit cleaning agent disclosed in the method for the present invention, the present invention is formed using sulfuric acid, hydrochloric acid, glacial acetic acid, hydrofluoric acid, citric acid and apple vinegar and a kind of boracic ionic liquid corrosion inhibiter mixed configuration, this product will not destroy catalyst and carrier in ternary catalyzing unit, can efficiently remove the carbon distribution compound in ternary catalyzing unit under normal temperature conditions；The boracic ionic liquid corrosion inhibiter used can protect noble metal catalyst, avoid being corroded.
Description
Technical field
The present invention relates to field of fine chemical, particularly with regard to a kind of preparation method of ternary catalyzing unit cleaning agent.
Background technique
Ternary catalyzing unit is mounted in most important outer purifier in automobile exhaust system, it can arrange vehicle exhaust
The pernicious gases such as CO, HC and NOx out are changed into harmless carbon dioxide, water and nitrogen by oxidation and reduction.Ternary
The cost of catalyst converter is more expensive, carries out low expense reparation to ternary catalyzing unit, very big economic benefit can be brought to car owner.
CN107653070A discloses a kind of automobile three-way catalysts cleaning agent and preparation method thereof, which includes such as
Lower raw material: 80-130 parts of methanol, 60-80 parts of dodecyl sodium sulfate, 32-57 parts of coconut oil, 14-31 parts of sodium metasilicate and diatom
It is 8-15 parts native；Preparation method is to put into methanol and dodecyl sodium sulfate in reaction kettle, after stirring 8-10min at normal temperature
Coconut oil, sodium metasilicate and diatomite is added, stirs 25-30min.Advantage be the automobile three-way catalysts cleaning agent not only
Clean effect is good, and its lubricity, antistatic property and antiseptic property are strong, environment friendly and pollution-free；Meanwhile the preparation method letter of the invention
It is single, without complicated synthesis device, safety and environmental protection.
CN103756806A discloses a kind of ternary catalyzing unit cleaning agent, comprising: the tartaric acid of 3wt%-8wt%；
5wt%-10wt% citric acid；8wt%-18wt% glacial acetic acid；3wt%-6wt% malic acid；10wt%-50wt% scale inhibition boracic
Ionic liquid corrosion inhibiter；0.06wt%-0.20wt%EDTA；15wt%-50wt% deionized water.The invention use organic monoacid for
Main acidic materials, the organic monoacid can be effectively removed in normal temperature condition sulphur in ternary catalyzing unit, phosphorus complex and
Carbon distribution compound
CN104929771A discloses a kind of ternary catalyzing unit regenerating treater, including casing, is equipped in the casing
Sink, pharmacy slot, cleaning pump, controller, connecting line and ternary catalyzing unit water supply connector, the sink and pharmacy slot respectively with
The cleaning pump connection, the cleaning pump are also connected with the ternary catalyzing unit water supply connector, the ternary catalyzing unit water supply connector
For connecting the outlet side of ternary catalyzing unit, the pharmacy slot is provided with ternary catalyzing unit cleaning agent；The pharmacy slot with it is described
The connecting line of cleaning pump is equipped with pharmacy slot valve, and the pharmacy slot valve and the cleaning pump all connect with the controller
It connects, the open and close of the pharmacy slot valve and the cleaning pump is controlled by controller, which also proposed the ternary and urge
Change device regeneration treating method.The invention can under pressurized condition to ternary catalyzing unit interior carrier surface contaminants using circulating pump into
Row cleaning achievees the purpose that quickly clean cleaning ternary catalyzing unit interior carrier and restores ternary catalyzing unit noble metal active, real
The recycling of existing ternary catalyzing unit, reduces cost, reduces motor vehicle exhaust emission.
The above invention and the prior art can only clean ternary catalyzing unit at high operating temperatures, can not be complete at room temperature
At cleaning, and cleaning effect is limited, it is also possible to injure noble metal catalyst.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of preparation methods of ternary catalyzing unit cleaning agent.
A kind of preparation method of ternary catalyzing unit cleaning agent, technology of preparing scheme are as follows:
According to mass fraction, 100 parts of deionized waters are added in clean reaction kettle, then, 0.1-5 parts of sulfuric acid adds
Enter into reaction kettle, 0.1-5 parts of hydrochloric acid is added in reaction kettle after mixing evenly, continue to stir evenly, is added 2-6 parts
Glacial acetic acid stirs evenly, and 0.1-3 parts of hydrofluoric acid is added in reaction kettle, and 3-10 parts of citric acid, stirring are added after stirring evenly
1-5 parts of apple vinegar is all added after dissolution, 0.2-2 parts of boracic ionic liquid corrosion inhibiter is added after mixing, it is dilute that water is then added
It releases to 8-15 times, a kind of ternary catalyzing unit cleaning agent can be obtained.
The conductivity of the deionized water is 0.50-0.60S/m.
The all components are SILVER REAGENT.
The boracic ionic liquid corrosion inhibiter is prepared according to following scheme:
According to mass fraction, 49-55 parts of maleic anhydride and 200-300 parts of organic solvent are added in reaction kettle,
Stirring all after dissolution, 0-10 DEG C of temperature control, the 200-300 parts of organic solvent solutions containing 65-70 parts of 1- amino-octane is dripped
It is added in reaction kettle, insulation reaction 180-300min, is filtered after being then aged 10-20h, with being dried after organic solvent washing；It will
100-120 parts of obtained solid and 0.1-0.8 parts (S)-different loose pinane base borine tetramethylethylenediamine complex compound, 1-5 parts of boron
Sand, 0.05-0.3 parts of 1- ethyl-3-methylimidazole fluoroform sulphonate, 0.01-0.1 parts of 2- methyl -3-N, N- diformazan ammonia
Ylmethyl indoles, 30-50 DEG C mixing 1-10 hours, uniformly after the boracic ionic liquid corrosion inhibiter can be obtained.
The organic solvent is carbon tetrachloride or chloroform or carbon dichloride.
A kind of preparation method of ternary catalyzing unit cleaning agent disclosed in the method for the present invention, the present invention use sulfuric acid, hydrochloric acid, ice
Acetic acid, hydrofluoric acid, citric acid and apple vinegar and a kind of boracic ionic liquid corrosion inhibiter mixed configuration form, and this product will not be destroyed
Catalyst and carrier in ternary catalyzing unit can efficiently remove the carbon distribution compound in ternary catalyzing unit under normal temperature conditions；Make
Boracic ionic liquid corrosion inhibiter can protect noble metal catalyst, avoid being corroded.
Specific embodiment
The invention is described further below by specific embodiment:
Embodiment 1
A kind of preparation method of ternary catalyzing unit cleaning agent, technology of preparing scheme are as follows:
According to mass fraction, 100 parts of deionized waters are added in clean reaction kettle, then, 0.25 part of sulfuric acid adds
Enter into reaction kettle, 0.3 part of hydrochloric acid is added in reaction kettle after mixing evenly, continue to stir evenly, 2 parts of ice vinegar is added
Acid stirs evenly, and 0.3 part of hydrofluoric acid is added in reaction kettle, and 4 parts of citric acid is added after stirring evenly, and stirs all dissolutions
2 parts of apple vinegar is added afterwards, 0.8 part of boracic ionic liquid corrosion inhibiter is added after mixing, water is then added and is diluted to 10 times
Obtain a kind of ternary catalyzing unit cleaning agent.
The conductivity of the deionized water is 0.55S/m.
The all components are SILVER REAGENT.
The boracic ionic liquid corrosion inhibiter is prepared according to following scheme:
According to mass fraction, 50 parts of maleic anhydride and 266 parts of organic solvent are added in reaction kettle, stirring is all
After dissolution, 5 DEG C of temperature control, 240 parts of organic solvent solutions containing 68 parts of 1- amino-octane are added drop-wise in reaction kettle, heat preservation is anti-
200min is answered, is filtered after being then aged 15h, with being dried after organic solvent washing；By 110 parts of obtained solid and 0.2 part
(S)-different loose pinane base borine tetramethylethylenediamine complex compound, 3 parts of borax, 0.1 part of 1- ethyl-3-methylimidazole trifluoro methylsulphur
Hydrochlorate, 0.02 part of 2- methyl -3-N, N- dimethylamino methyl indoles, 36 DEG C mix 5 hours, can be obtained after uniform described
Boracic ionic liquid corrosion inhibiter.
The organic solvent is carbon tetrachloride.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.11g/kWh, hydrocarbons content 1.61g/kWh.
Embodiment 2
A kind of preparation method of ternary catalyzing unit cleaning agent, technology of preparing scheme are as follows:
According to mass fraction, 100 parts of deionized waters are added in clean reaction kettle, then, 0.1 part of sulfuric acid is added
Into reaction kettle, 0.1 part of hydrochloric acid is added in reaction kettle after mixing evenly, continues to stir evenly, 2 parts of ice vinegar is added
Acid stirs evenly, and 0.1 part of hydrofluoric acid is added in reaction kettle, and 3 parts of citric acid is added after stirring evenly, and stirs all dissolutions
1 part of apple vinegar is added afterwards, 0.2 part of boracic ionic liquid corrosion inhibiter is added after mixing, water is then added and is diluted to 8 times
Obtain a kind of ternary catalyzing unit cleaning agent.
The conductivity of the deionized water is 0.50S/m.
The all components are SILVER REAGENT.
The boracic ionic liquid corrosion inhibiter is prepared according to following scheme:
According to mass fraction, 49 parts of maleic anhydride and 200 parts of organic solvent are added in reaction kettle, stirring is all
After dissolution, 0 DEG C of temperature control, 200 parts of organic solvent solutions containing 65 parts of 1- amino-octane are added drop-wise in reaction kettle, heat preservation is anti-
1800min is answered, is filtered after being then aged 10h, with being dried after organic solvent washing；By 100 parts of obtained solid and 0.1 part
(S)-different loose pinane base borine tetramethylethylenediamine complex compound, 1 part of borax, 0.05 part of 1- ethyl-3-methylimidazole fluoroform
Sulfonate, 0.01 part of 2- methyl -3-N, N- dimethylamino methyl indoles, 30 DEG C mix 1 hour, can be obtained after uniform described
Boracic ionic liquid corrosion inhibiter.
The organic solvent is chloroform.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.14g/kWh, hydrocarbons content 1.79g/kWh.
Embodiment 3
A kind of preparation method of ternary catalyzing unit cleaning agent, technology of preparing scheme are as follows:
According to mass fraction, 100 parts of deionized waters are added in clean reaction kettle, then, 5 parts of sulfuric acid is added to
In reaction kettle, 5 parts of hydrochloric acid is added in reaction kettle after mixing evenly, continues to stir evenly, 6 parts of glacial acetic acid is added, stirs
It mixes uniformly, 3 parts of hydrofluoric acid is added in reaction kettle, 10 parts of citric acid is added after stirring evenly, be added 5 after stirring all dissolutions
The apple vinegar of part, is added 0.8 part of boracic ionic liquid corrosion inhibiter after mixing, water is then added and is diluted to 15 times, can be obtained one
Kind ternary catalyzing unit cleaning agent.
The conductivity of the deionized water is 0.60S/m.
The all components are SILVER REAGENT.
The boracic ionic liquid corrosion inhibiter is prepared according to following scheme:
According to mass fraction, 55 parts of maleic anhydride and 300 parts of organic solvent are added in reaction kettle, stirring is all
After dissolution, 10 DEG C of temperature control, 300 parts of organic solvent solutions containing 70 parts of 1- amino-octane are added drop-wise in reaction kettle, are kept the temperature
300min is reacted, is filtered after being then aged 20h, with being dried after organic solvent washing；By 120 parts of obtained solid and 0.8 part
(S)-different loose pinane base borine tetramethylethylenediamine complex compound, 2 parts of borax, 0.3 part of 1- ethyl-3-methylimidazole trifluoro methylsulphur
Hydrochlorate, 0.1 part of 2- methyl -3-N, N- dimethylamino methyl indoles, 50 DEG C mix 10 hours, can be obtained after uniform described
Boracic ionic liquid corrosion inhibiter.
The organic solvent is carbon dichloride.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.13g/kWh, hydrocarbons content 1.72g/kWh.
Embodiment 4
A kind of preparation method of ternary catalyzing unit cleaning agent, technology of preparing scheme are as follows:
A kind of preparation method of ternary catalyzing unit cleaning agent, technology of preparing scheme are as follows:
According to mass fraction, 100 parts of deionized waters are added in clean reaction kettle, then, 0.3 part of sulfuric acid is added
Into reaction kettle, 0.5 part of hydrochloric acid is added in reaction kettle after mixing evenly, continues to stir evenly, 3 parts of ice vinegar is added
Acid stirs evenly, and 0.5 part of hydrofluoric acid is added in reaction kettle, and 6 parts of citric acid is added after stirring evenly, and stirs all dissolutions
3 parts of apple vinegar is added afterwards, 0.5 part of boracic ionic liquid corrosion inhibiter is added after mixing, water is then added and is diluted to 15 times
Obtain a kind of ternary catalyzing unit cleaning agent.
The conductivity of the deionized water is 0.53S/m.
The all components are SILVER REAGENT.
The boracic ionic liquid corrosion inhibiter is prepared according to following scheme:
According to mass fraction, 49 parts of maleic anhydride and 250 parts of organic solvent are added in reaction kettle, stirring is all
After dissolution, 0 DEG C of temperature control, 200 parts of organic solvent solutions containing 70 parts of 1- amino-octane are added drop-wise in reaction kettle, heat preservation is anti-
300min is answered, is filtered after being then aged 12h, with being dried after organic solvent washing；By 110 parts of obtained solid and 0.6 part
(S)-different loose pinane base borine tetramethylethylenediamine complex compound, 0.2 part of borax, 0.05 part of 1- ethyl-3-methylimidazole trifluoro
Mesylate, 0.01 part of 2- methyl -3-N, N- dimethylamino methyl indoles, 30 DEG C mix 2 hours, and institute can be obtained after uniform
The boracic ionic liquid corrosion inhibiter stated.
The organic solvent is carbon tetrachloride.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.12g/kWh, hydrocarbons content 1.68g/kWh.
Embodiment 5
A kind of preparation method of ternary catalyzing unit cleaning agent, technology of preparing scheme are as follows:
A kind of preparation method of ternary catalyzing unit cleaning agent, technology of preparing scheme are as follows:
According to mass fraction, 100 parts of deionized waters are added in clean reaction kettle, then, 0.25 part of sulfuric acid adds
Enter into reaction kettle, 0.1 part of hydrochloric acid is added in reaction kettle after mixing evenly, continue to stir evenly, 3 parts of ice vinegar is added
Acid stirs evenly, and 0.1 part of hydrofluoric acid is added in reaction kettle, and 5 parts of citric acid is added after stirring evenly, and stirs all dissolutions
2 parts of apple vinegar is added afterwards, 0.5 part of boracic ionic liquid corrosion inhibiter is added after mixing, water is then added and is diluted to 8 times
Obtain a kind of ternary catalyzing unit cleaning agent.
The conductivity of the deionized water is 0.58S/m.
The all components are SILVER REAGENT.
The boracic ionic liquid corrosion inhibiter is prepared according to following scheme:
According to mass fraction, 55 parts of maleic anhydride and 300 parts of organic solvent are added in reaction kettle, stirring is all
After dissolution, 10 DEG C of temperature control, 300 parts of organic solvent solutions containing 68 parts of 1- amino-octane are added drop-wise in reaction kettle, are kept the temperature
220min is reacted, is filtered after being then aged 15h, with being dried after organic solvent washing；By 100 parts of obtained solid and 0.6 part
(S)-different loose pinane base borine tetramethylethylenediamine complex compound, 2 parts of borax, 0.1 part of 1- ethyl-3-methylimidazole trifluoro methylsulphur
Hydrochlorate, 0.06 part of 2- methyl -3-N, N- dimethylamino methyl indoles, 35 DEG C mix 2 hours, can be obtained after uniform described
Boracic ionic liquid corrosion inhibiter.
The organic solvent is carbon dichloride.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.14g/kWh, hydrocarbons content 1.59g/kWh.
Comparative example 1
1- ethyl-3-methylimidazole fluoroform sulphonate, the other the same as in Example 1 is not added.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.17g/kWh, hydrocarbons content 1.80g/kWh.
Comparative example 2
(S)-different loose pinane base borine tetramethylethylenediamine complex compound, the other the same as in Example 1 is not added.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.19g/kWh, hydrocarbons content 1.93g/kWh.
Comparative example 3
Glacial acetic acid, the other the same as in Example 1 is not added.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.21g/kWh, hydrocarbons content 1.98g/kWh.
Comparative example 4
Hydrofluoric acid, the other the same as in Example 1 is not added.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.25g/kWh, hydrocarbons content 2.37g/kWh.
Comparative example 5
Boracic ionic liquid corrosion inhibiter, the other the same as in Example 1 is not added.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.32g/kWh, hydrocarbons content 2.21g/kWh.
Comparative example 6
2- methyl -3-N, N- dimethylamino methyl indoles, the other the same as in Example 1 is not added.
The tail gas carbon monoxide of the ternary catalyzing unit vehicle of the ternary catalyzing unit cleaning agent cleaning prepared using this experiment is contained
Amount is 0.16g/kWh, hydrocarbons content 1.91g/kWh.
Claims (5)
1. a kind of preparation method of ternary catalyzing unit cleaning agent, technology of preparing scheme are as follows:
According to mass fraction, 100 parts of deionized waters are added in clean reaction kettle, then, 0.1-5 parts of sulfuric acid is added to
In reaction kettle, 0.1-5 parts of hydrochloric acid is added in reaction kettle after mixing evenly, continues to stir evenly, 2-6 parts of ice vinegar is added
Acid stirs evenly, and 0.1-3 parts of hydrofluoric acid is added in reaction kettle, 3-10 parts of citric acid is added after stirring evenly, stirring is all
1-5 parts of apple vinegar is added after dissolution, 0.2-2 parts of boracic ionic liquid corrosion inhibiter is added after mixing, water is then added and is diluted to
8-15 times, a kind of ternary catalyzing unit cleaning agent can be obtained.
2. a kind of preparation method of ternary catalyzing unit cleaning agent according to claim 1, it is characterised in that: it is described go from
The conductivity of sub- water is 0.50-0.60S/m.
3. a kind of preparation method of ternary catalyzing unit cleaning agent according to claim 1, it is characterised in that: described is all
Component is SILVER REAGENT.
4. a kind of preparation method of ternary catalyzing unit cleaning agent according to claim 1, it is characterised in that: the boracic
Ionic liquid corrosion inhibiter is prepared according to following scheme:
According to mass fraction, 49-55 parts of maleic anhydride and 200-300 parts of organic solvent are added in reaction kettle, stirred
All after dissolution, 0-10 DEG C of temperature control, the 200-300 parts of organic solvent solutions containing 65-70 parts of 1- amino-octane are added drop-wise to
In reaction kettle, insulation reaction 180-300min is filtered after being then aged 10-20h, with drying after organic solvent washing；It will obtain
100-120 parts of solid and 0.1-0.8 parts (S)-different loose pinane base borine tetramethylethylenediamine complex compound, 1-5 parts of borax,
0.05-0.3 parts of 1- ethyl-3-methylimidazole fluoroform sulphonate, 0.01-0.1 parts of 2- methyl -3-N, N- dimethylamino first
Base indoles, 30-50 DEG C mixing 1-10 hours, uniformly after the boracic ionic liquid corrosion inhibiter can be obtained.
5. a kind of preparation method of ternary catalyzing unit cleaning agent according to claim 4, it is characterised in that: described is organic
Solvent is carbon tetrachloride or chloroform or carbon dichloride.
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| CN111073760A (en) * | 2019-12-31 | 2020-04-28 | 深圳市朗迅实业有限公司 | Automobile three-way catalyst cleaning agent and preparation method thereof |
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