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Multi-functional nanometer MgO vanadium inhibitor and preparation method and application thereof

A vanadium inhibitor, multi-functional technology, used in fuel additives, petroleum industry, liquid carbon-containing fuels, etc., can solve the problems of inability to store for a long time, complex preparation process, wear of fuel pumps and flow distributors, etc., to improve independent research and development. Ability and promotion and application, no three-waste pollution, and the effect of improving stability

Active Publication Date: 2016-01-13
SHENZHEN GCD PETROLEUM ADDITIVE CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at present this kind of inhibitor has the following disadvantages: first, the particle size is large, which is easy to cause the wear of the fuel pump and the flow distributor; secondly, the concentration of the active ingredient MgO is low, the stability is not enough, and it cannot be stored for a long time; in addition, Its preparation process is complex, high-pressure equipment is required, and the safety is poor
Therefore, colloidal suspension inhibitors are currently used less

Method used

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  • Multi-functional nanometer MgO vanadium inhibitor and preparation method and application thereof
  • Multi-functional nanometer MgO vanadium inhibitor and preparation method and application thereof
  • Multi-functional nanometer MgO vanadium inhibitor and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] In parts by mass, add 20 parts of technical grade MgO, 40 parts of heavy alkylbenzene, 50 parts of trimethylbenzenes, 1 part of terpene resin, 4 parts of oleic acid, 25 parts of distilled water and 6 parts of glacial acetic acid in the reactor. The temperature was raised to 105° C. under stirring, and the reaction was maintained for 2.5 hours, and the water in the reaction system was removed by a water separator to obtain a nano-MgO precursor.

[0024] The above-mentioned nano-MgO precursor was heated to 230 °C, and the mixed trimethylbenzene in the system was continuously removed during the heating process, and then the temperature was continued to be raised to 330 °C and kept for 3 hours, and part of the solvent evaporated and the water generated during the reaction were collected. The product is a brown-gray translucent fluid containing 17% Mg. The physical and chemical properties of this product are shown in Table 1.

Embodiment 2

[0026] The products in Example 1 were concentrated by distillation under reduced pressure to obtain products with Mg contents of 25%, 35% and 45%, respectively. These products are translucent fluids with good fluidity, good storage stability, no particle precipitation after being placed for 12 months, no precipitation in water, good dispersion in oil, and no insoluble matter. The physical and chemical properties of the products are shown in Table 1. shown.

[0027] Table 1

[0028]

[0029]

Embodiment 3

[0031] In parts by mass, 16 parts of reagent grade MgO, 30 parts of decene oligomers, 60 parts of mixed tetramethylbenzene, 2 parts of terpene resins, 8 parts of dodecylbenzenesulfonic acid, 15 parts of distilled water and 2 parts of glacial acetic acid were heated up to 110°C under stirring, kept for 3 hours, and the water in the reaction system was removed by a water separator to obtain a nano-MgO precursor.

[0032] Raise the temperature of the above-mentioned nano-MgO precursor to 300°C, keep it warm for 4 hours, and collect the evaporated part of the solvent and the water generated during the reaction. The product obtained is a brownish-gray translucent fluid with good fluidity, and the Mg content of this product is 15%. , the physical and chemical properties are shown in Table 2.

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Abstract

The invention relates to a preparation method of a multi-functional nanometer MgO vanadium inhibitor. According to the preparation method, magnesium compounds, organic acid, resin dispersant, organic solvent and water serve as raw materials, and oil-soluble nanometer MgO is synthesized through a special process. The synthesized oil-soluble nanometer MgO not only can serve as the vanadium inhibitor but also can serve as an acid neutralizer, and acidic corrosion caused by elements such as sulfur and nitrogen in the combustion process is inhibited. The multi-functional nanometer MgO vanadium inhibitor and the preparation method and application thereof are simple in process, and the prepared multi-functional nanometer MgO vanadium inhibitor is high in Mg concentration, good in dispersity and high in stability and can be preserved for a long time.

Description

technical field [0001] The invention belongs to the field of energy and petrochemical industry, and specifically relates to a preparation method of multifunctional nano-MgO. The prepared product is a fuel additive, which can be used to suppress the impact of impurities such as V, S, N, and Na on equipment during fuel combustion. Corrosion, prolong the service life of equipment. technical background [0002] Due to its low price, heavy oil is widely used in gas turbines in power plants. However, heavy oil usually contains V, S, N, Na and other impurities, which bring many problems to the operation, inspection and maintenance of the unit and its auxiliary systems. For example, heavy oil V in the form exists in the form of porphyrin, which is difficult to remove by conventional methods, and V generates V in the combustion process 2 o 5 , which has a low melting point and will cause severe molten salt corrosion to gas turbine blades. When S and Na elements are present, NaSO w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/12C10L10/04
Inventor 熊靓严斌刘影
Owner SHENZHEN GCD PETROLEUM ADDITIVE CO
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