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Antichlor and preparation method thereof

A dechlorination agent and aliphatic amine technology, used in the refining of hydrocarbon oil, petroleum industry, etc., can solve the problems of high viscosity and cannot realize operation, and achieve the effects of superior solubility, good dispersion and significant economic benefits.

Active Publication Date: 2012-09-12
金浦新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The two existing technologies listed are solid dechlorination agent for dry dechlorination, which requires additional dry dechlorination adsorption equipment and the dechlorination solid dechlorination agent needs further treatment, which is only suitable for gaseous or low-viscosity liquid petroleum products For crude oil with high viscosity at room temperature, operation cannot be realized

Method used

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  • Antichlor and preparation method thereof
  • Antichlor and preparation method thereof
  • Antichlor and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] First add 100g of monoethanolamine into a three-necked flask, then add 200g of diisopropylamine and 200g of morpholine, stir at room temperature and pressure for 30 minutes, and filter to remove impurities to obtain dechlorination agent A.

Embodiment 2

[0023] First add 100g of diethanolamine into a three-necked flask, then add 200g of diisopropylamine, 100g of morpholine and 200g of piperazine, stir at room temperature and pressure for 30 minutes, and filter to remove impurities to obtain dechlorination agent B.

Embodiment 3

[0025] First add 100g of triethanolamine into a three-necked flask, then add 200g of 1,2-propylenediamine and 200g of cyclohexylamine, stir at room temperature and pressure for 30 minutes, and filter to remove impurities to obtain dechlorination agent C.

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PUM

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Abstract

The invention relates to antichlor, which belongs to the technical field of fine chemical engineering. The antichlor comprises 20 to 40 percent by weight of aliphatic amine, 30 to 50 percent by weight of alicyclic amine and 10 to 30 percent by weight of alkylol amine. The antichlor is prepared by filtering the raw materials after being uniformly blended to remove impurities. The antichlor is a water soluble flux, has good compatibility with electro-desalting medium, has a synergistic action on the salt content after the electro-desalting of an atmospheric and vacuum distillation unit, has remarkable effect on removing the cchloride ion concentration of drainage and naphtha on top of the device, can effectively improve the corrosion resistance of the device and prolong an on-stream time, is simple to operate and low in cost, and has remarkable economic benefit of the device.

Description

technical field [0001] The invention relates to a dechlorination agent, which belongs to the technical field of fine chemicals. Background technique [0002] Atmospheric and vacuum units play a dominant role in oil refining units. After heat exchange, the raw oil enters the electric desalination process for water washing, demulsification and desalination, and regular and vacuum distillation to obtain light naphtha, gasoline, diesel oil and heavy oil. Crude oil is composed of more than 95% carbon and hydrogen compounds, and the remaining 5% is organic and inorganic heteroelement compounds composed of sulfur, chlorine, nitrogen and metal elements. Although the content of such compounds is small, it affects the quality of the entire refinery. Process and product quality. From the perspective of corrosion and anti-corrosion, some of these impurities contained in crude oil are themselves corrosive media, such as hydrogen sulfide, elemental sulfur, mercaptans, organic acids, etc....

Claims

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Application Information

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IPC IPC(8): C10G29/00
Inventor 王春柱
Owner 金浦新材料股份有限公司
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