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Preparation method of ferrocene-porphyrin metal complex, ferrocene-porphyrin metal complex and bimetal-containing fuel oil additive

A metal complex, ferrocene technology, applied in the field of fuel additives, can solve the problems of insolubility, time-consuming and labor-intensive, DPF filtration efficiency reduction, etc., to reduce maintenance times and costs, save fuel maintenance times and costs, and solve passive regeneration. the effect of failure

Pending Publication Date: 2022-05-13
天津悦泰石化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technique for cleaning the DPF requires vehicle maintenance, which is time-consuming and laborious, and it is easy to break through the wall-flow micropores in the DPF, resulting in a decrease in the filtration efficiency of the DPF.
Chinese patent CN104845682A discloses a fuel catalyst for an automobile internal combustion engine. The catalyst is composed of tourmaline, alumina, iron oxide and cerium oxide. The role of removing carbon deposits, but aluminum oxide, iron oxide, cerium oxide, etc. are all particles of about 250 μm, which cannot be dissolved in fuel and are not mentioned in the application of DPF particle filter regeneration
Although the particle size of the catalyst is below 5nm, it is still insoluble in fuel and the nanoparticles are easy to agglomerate, which affects its use

Method used

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  • Preparation method of ferrocene-porphyrin metal complex, ferrocene-porphyrin metal complex and bimetal-containing fuel oil additive
  • Preparation method of ferrocene-porphyrin metal complex, ferrocene-porphyrin metal complex and bimetal-containing fuel oil additive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Preparation of porphyrin metal complex (cerium porphyrin): 5,10,15,20-tetrakis(4-hydroxyphenyl)porphyrin (50mmol) and cerium acetate (150mmol) were dissolved in N'N-dimethyl In formamide (50 mL), the reaction system was heated up to 150 °C for 8 h under magnetic stirring, and the reaction mixture was poured into ice water to precipitate cerium porphyrin, filtered with suction, washed with deionized water, and dried in vacuo to obtain Active hydroxyl porphyrin-cerium complexes.

[0066] Preparation of ferrocene-porphyrin cerium complex: Take 20mmol of porphyrin cerium metal complex with active hydroxyl group and 15mmol of ferrocenedicarboxylic acid dissolved in 50mL of dichloromethane, then add 1mL of triethylamine, under reflux condition The reaction was carried out for 6 hours. After the reaction was completed, the solvent was evaporated to obtain the ferrocene-porphyrin metal complex.

[0067] Preparation of fuel additives containing ferrocene-porphyrin cerium comple...

Embodiment 2

[0073] Preparation of porphyrin metal complex (platinum porphyrin): Monoaminotetraphenylporphyrin (400mmol) and platinum chloride (200mmol) were dissolved in N'N-dimethylformamide (50mL) and stirred under magnetic force The reaction system was heated to 120° C. for 2 h, and the reaction mixture was poured into ice water to precipitate the product, filtered with suction, washed with deionized water, and dried in vacuum to obtain a monoaminotetraphenylporphyrin-platinum complex.

[0074] Preparation of ferrocene-porphyrin platinum complex: Dissolve 200mmol of monoaminotetraphenylporphyrin-platinum metal complex and 400mmol of ferrocenedicarboxylic acid in 50mL of dichloroethane, then add 2mL of triethylamine, React under reflux conditions for 16h, evaporate the solvent after the completion of the reaction, and obtain the ferrocene-porphyrin platinum complex.

[0075] Preparation of bimetallic fuel additive containing ferrocene-porphyrin platinum complex: 2.3 parts by weight of f...

Embodiment 3

[0081] Preparation of porphyrin metal complex (cerium porphyrin): 5,10,15,20-tetrakis(4-hydroxyphenyl)porphyrin (50mmol) and cerium acetate (150mmol) were dissolved in N'N-dimethyl In formamide (50 mL), the reaction system was heated up to 150 °C for 8 h under magnetic stirring, and the reaction mixture was poured into ice water to precipitate cerium porphyrin, filtered with suction, washed with deionized water, and dried in vacuo to obtain Active hydroxyl porphyrin-cerium complexes.

[0082] Preparation of ferrocene-porphyrin cerium complex: Take 20mmol of porphyrin cerium metal complex with active hydroxyl group and 15mmol of ferrocenedicarboxylic acid dissolved in 50mL of dichloromethane, then add 1mL of triethylamine, under reflux condition The reaction was carried out for 6 hours. After the reaction was completed, the solvent was evaporated to obtain the ferrocene-porphyrin metal complex.

[0083]Preparation of fuel additives containing ferrocene-porphyrin cerium complex...

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Abstract

The invention discloses a preparation method of a ferrocene-porphyrin metal complex, the ferrocene-porphyrin metal complex and a fuel oil additive containing double metals. The preparation method of the ferrocene-porphyrin metal complex comprises the following steps: dissolving a porphyrin metal complex and ferrocene with carboxyl or aldehyde group in a solvent B, adding tertiary amine for reaction, and removing the solvent to obtain the ferrocene-porphyrin metal complex. The bimetal-containing fuel additive disclosed by the invention can be conveniently added into a fuel tank during refueling and can be uniformly mixed with fuel, formation of particulate matters in an engine is reduced, and after reaching a DPF (diesel particulate filter) along with tail gas, the problem of passive regeneration failure of the DPF of a diesel engine can be effectively solved, the number of active regeneration times is reduced, and the service life of the diesel engine is prolonged. Therefore, the effects of maintaining the DPF, saving oil and reducing maintenance times and cost are achieved.

Description

technical field [0001] The invention belongs to the technical field of fuel additives, and in particular relates to a preparation method of a ferrocene-porphyrin metal complex, a ferrocene-porphyrin metal complex and a bimetallic fuel additive. Background technique [0002] On July 1, 2021, my country will implement the National VI emission standard nationwide, and the emission of particulate matter will be greatly tightened. In the past, the technical route of increasing the combustion temperature in the cylinder and the SCR system used in the National V emission stage can no longer meet the requirements of the particulate matter emission standard, and the particulate filter DPF must be installed to meet the emission requirements. With the implementation of increasingly stringent exhaust emission regulations in Europe, the United States, Japan, and China, the demand for diesel vehicle particulate filter DPF as an effective device to reduce particulate matter emissions will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F19/00C10L1/30C10L10/02
CPCC07F17/02C10L1/305C10L10/02
Inventor 赵扬朱宗敏张园庞雅枫阎敏陆慧琴
Owner 天津悦泰石化科技有限公司
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