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A Composite Emulsifier and Its Application in Production of Microemulsion Diesel Oil

A compound emulsifier and micro-emulsification technology, which is used in the petroleum industry, fuel additives, liquid carbon-containing fuels, etc., can solve the problems of difficult commodities, turnover use, only ten days or half a month, etc., and achieves the reduction of exhaust smoke. , the effect of reducing production costs and reducing emissions

Active Publication Date: 2021-03-26
东营市庄溶生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the emulsification stability of existing emulsifier products is not good enough, and the stability time is mostly only ten days or half a month, so it is difficult to use as a commodity turnover; moreover, most of the existing emulsifier products are refined petroleum products and higher fatty acids. Raw materials lead to expensive emulsifiers, and the cost of producing emulsified diesel remains high

Method used

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  • A Composite Emulsifier and Its Application in Production of Microemulsion Diesel Oil
  • A Composite Emulsifier and Its Application in Production of Microemulsion Diesel Oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Embodiment 1: the preparation of composite emulsifier

[0071] 1. Pretreatment of waste oil:

[0072] The waste oil is mechanically filtered to remove impurities. Add 4% chemical oxidizing agent accounting for waste oil weight, and heat to 75°C. Stir the reaction for 20 minutes, and centrifuge to remove water and a small amount of unreacted chemical oxidant.

[0073] Formulation of chemical oxidizing agents:

[0074] 3 parts of hydrogen peroxide, 1 part of sodium percarbonate, 0.001 part of titanium salt.

[0075] Mix and stir evenly at room temperature.

[0076] 2. Methylation modification of waste oil:

[0077] In the continuous flow reaction system of the present invention ( figure 1 ) for methyl esterification modification.

[0078] The waste oil after pretreatment is put into batching tank 1 earlier, then will account for the waste oil after the pretreatment waste oil weight 20% to be dissolved with the methyl alcohol that catalyst metal sodium is added in t...

Embodiment 2

[0081] Embodiment 2: the preparation of microemulsion diesel oil

[0082] 1. Raw material composition:

[0083] 80 parts of diesel oil, 10 parts of water, 6.5 parts of composite emulsifier, 2.5 parts of solubilizing agent, 0.8 parts of stabilizer, and 0.02 parts of water splitting catalyst.

[0084] Wherein, the composite emulsifier is prepared by Example 1; the solubilizing water agent is mixed by n-propanol, n-butanol and n-amyl alcohol in a volume ratio of 0.5:1:0.5; the stabilizer is castor oil methyl ester amide, made of castor oil The sesame oil is prepared in the continuous flow reaction system of the present invention; the water splitting catalyst is composed of titanate and permanganate in a mass ratio of 1:1.

[0085] 2. Preparation process:

[0086] Put diesel oil, water, compound emulsifier, solubilizer, stabilizer and water splitting catalyst into the batching tank, stir at room temperature for 3-5 minutes, mix well, start the centrifugal pump, and pass the mixe...

Embodiment 3

[0087] Embodiment 3: the preparation of microemulsion diesel oil:

[0088] 1. Raw material composition:

[0089] 72 parts of diesel oil, 12 parts of water, 7 parts of composite emulsifier, 3.5 parts of solubilizing agent, 0.5 part of stabilizer, and 0.05 part of water splitting catalyst.

[0090] Wherein, the composite emulsifier is prepared by Example 1; the solubilizing water agent is mixed by n-propanol, n-butanol and n-amyl alcohol in a volume ratio of 0.5:1:0.5; the stabilizer is castor oil methyl ester amide, made of castor oil The sesame oil is prepared in the continuous flow reaction system of the present invention; the water splitting catalyst is composed of titanate and permanganate, and the mass ratio of the two is 1:1.

[0091] 2. The preparation process is the same as in Example 2, and the microemulsion diesel oil is prepared.

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Abstract

The invention discloses a compound emulsifier and an application thereof in producing a micro-emulsified diesel fuel. The preparation of the compound emulsifier comprises the following steps: (1) taking low-quality grease as a raw material and pre-treating; (2) adding methyl alcohol containing dissolved metallic sodium into the pretreated low-quality grease and performing methyl esterification modification, thereby acquiring fatty acid methyl ester; (3) adding a compound aminating agent composed of organic amine and inorganic amine into fatty acid methyl ester, taking metallic sodium as a catalyst and performing amidation reaction, thereby acquiring the compound emulsifier. The invention also discloses an emulsified diesel fuel which is prepared with the compound emulsifier. The compound emulsifier disclosed by the invention is prepared in the manner of taking low-quality grease as the raw material and then performing chemical modification and amidation reaction, so that the productioncost of the emulsifier is effectively lowered. The stability performance and combustion performance of the micro-emulsified diesel fuel prepared with the compound emulsifier are both greatly promoted.

Description

technical field [0001] The invention relates to the technical field of clean energy, in particular to a compound emulsifier and its application in the production of micro-emulsion diesel. Background technique [0002] Emulsified diesel, that is, the combustion of fuel oil mixed with water, although it is not a new topic, but it is constantly giving new thinking and new development momentum. As early as the first annual meeting of the International Combustion Association, it has been confirmed as one of the three major energy-saving measures. Our country has also included it in the development project during several consecutive five-year construction plans, which has set off wave after wave of research boom. [0003] Through continuous theoretical discussions and a large number of experiments in scientific research institutions, many experts and scholars have highly consistent conclusions on the energy saving and emission reduction characteristics of emulsified diesel. Alth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/14C10L10/18C10L1/222C10L1/224
CPCC10L1/14C10L1/2222C10L1/224C10L10/18
Inventor 张敏马锐
Owner 东营市庄溶生物科技有限公司
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