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Corrosion preventing and inhibiting agent for bio-based methanol gasoline and preparation method of corrosion preventing and inhibiting agent

A technology of methanol gasoline and corrosion inhibitor, which is applied in the field of anti-corrosion and corrosion inhibitors to achieve the effects of good mutual solubility, improved corrosion inhibition effect, and good anti-corrosion ability

Active Publication Date: 2013-09-25
NORTHWEST UNIVERSITY FOR NATIONALITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a methanol gasoline anticorrosion and corrosion inhibitor that can effectively solve the metal corrosion of methanol gasoline oil circuit, overcome the corrosion of the existing methanol gasoline fuel tank and the electrochemical corrosion of the oil pump, and has good anticorrosion effect and strong corrosion inhibition ability.

Method used

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  • Corrosion preventing and inhibiting agent for bio-based methanol gasoline and preparation method of corrosion preventing and inhibiting agent
  • Corrosion preventing and inhibiting agent for bio-based methanol gasoline and preparation method of corrosion preventing and inhibiting agent
  • Corrosion preventing and inhibiting agent for bio-based methanol gasoline and preparation method of corrosion preventing and inhibiting agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A bio-based methanol gasoline anticorrosion and corrosion inhibitor is composed of the following volume percentage functional components:

[0026] Metal anti-corrosion component: C n Fatty amines, fatty phenols 30.0%

[0027] Passive Chelating Component: C n Fatty amine salt 30.0%

[0028] Antioxidant corrosion inhibitor component: C 16 ~C 18 Fatty acids 40.0%

[0029] Among them: C of the metal anticorrosion component n The fatty amine is N,N'-di-salicylidenediamine (T1201), and the fatty phenol is 2,6-di-tert-butyl-p-cresol (T501); T1201+ prepared at a volume ratio of 1:2 T501 mother liquor; passivated chelating component C n Fatty amine salt is T706+T406 mother liquor prepared with benzotriazole (T706) and benzotriazole fatty amine salt (T406) at a volume ratio of 1:1; 16 ~C 18 Fatty acid is Petroleum Yeast Fatty Acid C 16 ~C 18 or oleic acid (C 18 h 34 o 2). Add metal anti-corrosion components, passivation chelating components and anti-oxidation and c...

Embodiment 2

[0031] A bio-based methanol gasoline anticorrosion and corrosion inhibitor is composed of the following volume percentage functional components:

[0032] Metal anti-corrosion component: C n Fatty amines, fatty phenols 32.0%

[0033] Passive Chelating Component: C n Fatty amine salt 32.0%

[0034] Antioxidant corrosion inhibitor component: C 16 ~C 18 Fatty acids 36.0%

[0035] Among them: C of the metal anticorrosion component n The aliphatic amine is N, N'-disalicylidene propylenediamine, and the fatty phenol is 2,6-di-tert-butyl-p-cresol; the T1201+T501 mother liquor prepared with a volume ratio of 1:2; passivated chelate Composite C n Fatty amine salt is T706+T406 mother liquor prepared with benzotriazole and benzotriazole fatty amine salt at a volume ratio of 1:1; 16 ~C 18 Fatty acid is Petroleum Yeast Fatty Acid C 16 ~C 18 or oleic acid (C 18 h 34 o 2 ). Add metal anti-corrosion components, passivation chelating components and anti-oxidation and corrosion in...

Embodiment 3

[0037] A bio-based methanol gasoline anticorrosion and corrosion inhibitor is composed of the following volume percentage functional components:

[0038] Metal anti-corrosion component: C n Fatty amines, fatty phenols 35.0%

[0039] Passive Chelating Component: C n Fatty amine salt 33.0%

[0040] Antioxidant corrosion inhibitor component: C 16 ~C 18 Fatty acids 32.0%

[0041] Among them: C of the metal anticorrosion component n The aliphatic amine is N, N'-disalicylidene propylenediamine, and the fatty phenol is 2,6-di-tert-butyl-p-cresol; the T1201+T501 mother liquor prepared with a volume ratio of 1:2; passivated chelate Composite C n Fatty amine salt is T706+T406 mother liquor prepared with benzotriazole and benzotriazole fatty amine salt at a volume ratio of 1:1; 16 ~C 18 Fatty acid is Petroleum Yeast Fatty Acid C 16 ~C 18 or oleic acid (C 18 h 34 o 2 ). Add metal anti-corrosion components, passivation chelating components and anti-oxidation and corrosion in...

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Abstract

The invention discloses a corrosion preventing and inhibiting agent for bio-based methanol gasoline and a preparation method of the corrosion preventing and inhibiting agent. The corrosion preventing and inhibiting agent consists of the following ingredients: 30-40% of metal corrosion prevention ingredient, 30-35% of passivation and chelation ingredient and 25-40% of anti-oxidative corrosion inhibition ingredient; and the corrosion preventing and inhibiting agent product is prepared through uniformly mixing the three functional ingredients at normal temperature. According to the corrosion preventing and inhibiting agent and the preparation method of the corrosion preventing and inhibiting agent, cleanable, environmental-friendly, reproducible and degradable petroleum yeast fatty acid is selected as the main raw material of a cheap additive, so that the energy is saved and the emission is reduced; and compared with the prior art, the corrosion preventing and inhibiting agent is low in cost, non-toxic, free of pollution, low in dosage and remarkable in corrosion preventing and inhibiting effect and cannot cause secondary pollution to the environment. Proved by results of tests on multiple metals, such as brass 59#, red copper, aluminum, steel 45#, zinc and carburetor materials, the corrosion preventing and inhibiting agent has a very obvious corrosion prevention effect; and shown by overhauling, after the corrosion preventing and inhibiting agent is used, the corrosive damage to cylinders, pumps and oil way systems is equivalent to that when commercial gasoline is used, and the oil way systems and carburetors are free of an obvious corrosion phenomena.

Description

technical field [0001] The invention relates to the field of alternative fuels for alcohols, in particular to an anti-corrosion and corrosion inhibitor which mainly uses biomass energy and can be blended with bio-alcohols in a high proportion. Background technique [0002] For a long time, gasoline and diesel have been the main fuels for various types of motor vehicles. This usage pattern is increasingly restricted by serious environmental pollution and increasingly scarce resources. In order to improve this dilemma, a variety of energy alternatives have been adopted at home and abroad. However, if these alternatives are to be popularized on a large scale, there are serious defects. In recent years, as the international oil price continues to hover at a high level, the promotion, application and research process of alternative alcohol-ether fuels at home and abroad have been accelerated. According to the implementation of the strategic policy of energy substitution promulga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/222C10L1/183C10L1/233C10L1/188C10L10/04
Inventor 牛锋黄晓磊吴慧昊
Owner NORTHWEST UNIVERSITY FOR NATIONALITIES
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