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Method for preparing raw material for asphalt resin by using kerosene co-liquefaction product heavy oil

A technology of asphalt resin and co-liquefaction, which can be used in refining with two or more solvents, petroleum industry, refining hydrocarbon oil, etc. It can solve the problems of low purity of aromatics, low economic benefits, incomplete separation, etc., and achieve separation efficiency. High, good thermal stability, low price effect

Active Publication Date: 2019-03-12
SHAANXI YANCHANG PETROLEUM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The boiling points and prices of the above solvents are relatively high, resulting in the temperature required for the recovery of the extractant. The high distillation temperature during the recovery of the solvent will cause the coking of the material, and the difference between the solvent with the high boiling point and the initial boiling point of the material is small. Incomplete separation of materials leads to low purity of aromatics in the aromatics component oil, resulting in waste of energy and low economic benefits

Method used

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  • Method for preparing raw material for asphalt resin by using kerosene co-liquefaction product heavy oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Weigh 100g of kerosene co-refining product heavy oil and put it into a methanol amine solvent containing 7 times the volume, sonicate at 35°C for 20 minutes, rest for 30 minutes, and filter; use methanol to extract the obtained first raffinate for 6 Once, a polar component-poor oil is obtained.

[0026] (2) Extract the first raffinate with 7 times the volume of N,N-dimethylacetamide containing 15% volume of methanol, sonicate at 35°C for 20 minutes, rest for 30 minutes, and filter; use 15% volume of methanol The obtained second raffinate was extracted 6 times with N,N-dimethylacetamide to obtain a second extract rich in aromatic components.

[0027] (3) The methanol solvent was recovered by distillation under the conditions of 40°C and 0.05Mpa, and the N,N-dimethylacetamide was recovered under the conditions of 85°C and 0.1MPa to obtain 72.5g of aromatic-rich component oil, whose composition is shown in Table 1 shown.

Embodiment 2

[0029] (1) Weigh 100 g of coal liquefied oil and put it into a formamide solvent containing 10 times its volume, ultrasonicate for 25 minutes at 42 ° C, rest for 45 minutes, and filter; use methanol to extract the first raffinate obtained 4 times to obtain Polar-poor oil.

[0030] (2) Extract the first raffinate with 10 times the volume of N,N-dimethylacetamide in 10% methanol by volume, sonicate at 10°C for 25 minutes, let stand for 45 minutes, and filter; , and extracting the second raffinate with N-dimethylacetamide 4 times to obtain a second extract rich in aromatics components.

[0031] (3) The methanol solvent was recovered by distillation under the conditions of 50°C and 0.04Mpa; N,N-dimethylacetamide was recovered under the conditions of 100°C and 0.08MPa to obtain 71.9g of aromatic-rich component oil, whose composition is shown in Table 1 shown.

Embodiment 3

[0033] (1) Weigh 100 g of coal liquefied oil and put it into a formamide solvent containing 12 times its volume, sonicate at 50°C for 30 minutes, rest for 60 minutes, and filter; use methanol to extract the first raffinate obtained 3 times to obtain Polar-poor oil.

[0034] (2) Extract the first raffinate with 12 times the volume of N,N-dimethylacetamide in 25% methanol by volume, sonicate at 25°C for 30 min, rest for 60 min, and filter; , N-dimethylacetamide extracted 3 times the obtained first raffinate to a second extract rich in aromatics components.

[0035] (3) The methanol solvent was recovered by distillation under the conditions of 60°C and 0.03Mpa; N,N-dimethylacetamide was recovered under the conditions of 110°C and 0.07MPa to obtain 72.3g of aromatic-rich component oil, whose properties are shown in Table 1 shown.

[0036]Refer to the "NB / SH / T 0509-2010" standard method to determine the group composition of the raw oil (kerosene co-refinery product oil) and the a...

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Abstract

The invention relates to a method for preparing a raw material for asphalt resin by using kerosene co-liquefaction product heavy oil. The method comprises the steps of firstly separating a polar component in a the heavy oil with a first extracting agent to obtain a poor polarity component oil; separating a non-aromatic component in the poor polarity component oil with a second extracting agent toobtain an aromatic-rich mixture, and recycling the second extracting agent in the obtained mixture to obtain a remaining material aromatic-rich component oil, namely, the raw material for preparing the asphalt resin. According to the method provided by the invention, the aromatic component with higher purity is obtained by removing the polar component and chain hydrocarbon component in the kerosene co-liquefaction product oil. The separation method provided by the invention is simple to operate and high in separation efficiency; furthermore, the needed extracting agents are wide in source, better in heat stability and low in price and toxicity, so that the method is suitable for large-scale application.

Description

technical field [0001] The invention belongs to the technical field of carbon materials, and in particular relates to a method for preparing asphalt resin raw materials by utilizing heavy oil, a kerosene co-liquefaction product. Background technique [0002] Condensed polycyclic aromatic hydrocarbon resin (COPNA) is a thermosetting resin with a three-dimensional network structure. The resin has good heat resistance, friction resistance and affinity with carbon materials. It is a new type of polymer functional material. Carbon materials, heat-resistant resin materials, anti-friction materials, sealing materials, polymer magnetic materials, and aviation and aerospace materials are widely used. The synthetic raw materials of COPNA resin are condensed aromatic hydrocarbons containing at least 2 aromatic rings and their derivatives or their mixtures. The aromatic rings can have alkyl groups, alkoxy groups, carboxyl groups, etc. The heavy oil produced by kerosene co-refining is r...

Claims

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Application Information

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IPC IPC(8): C10G21/02C10G21/28C10G21/16C10G21/20C10G21/22
CPCC10G21/02C10G21/16C10G21/20C10G21/22C10G21/28
Inventor 张生娟陈刚高亚男杨猛姬鹏军陈黎翰杜伟康徐伟田东阳高磊党昱王蒙
Owner SHAANXI YANCHANG PETROLEUM GRP
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