A method for processing catalytic oil slurry

A technology for catalyzing oil slurry and crude oil, which is applied in the treatment of hydrocarbon oil, only multi-stage series refining process treatment, petroleum industry, etc., can solve the problems of poor temperature sensitivity and anti-aging performance, and achieve the purpose of increasing the flash point and reducing fractions Overlapping, performance-enhancing effects

Active Publication Date: 2021-01-05
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of the invention can make full use of the catalytic oil slurry, and can improve the temperature sensitivity and aging resistance of the catalytic oil slurry, and improve the flash point of the vacuum residue, and at the same time, the obtained vacuum residue can be directly used as road asphalt or As a raw material for blending road asphalt and waterproof asphalt

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Heat the catalytic oil slurry to 170°C, add powdered condensed aluminum phosphate (aluminum tripolyphosphate, fineness 800 mesh) into the catalytic oil slurry, of which the catalytic oil slurry accounts for 98.5wt% of the total, and the condensed aluminum phosphate accounts for the total 1.5wt% of the amount, at 190 ° C, with ordinary stirring and mixing for 210 minutes to complete the reaction to obtain a modified catalytic oil slurry.

[0032] Mix the above-mentioned modified catalytic oil slurry with heavy oil (density (20°C) is 0.9476 g / cm 3 , the characteristic factor is 11.6, the C / H mass ratio is 7.53, the same below) are mixed and added to the atmospheric and vacuum distillation device, and the mixing temperature is 160°C. Among them, the proportion of modified catalytic oil slurry is 8wt%, and then atmospheric distillation and vacuum distillation are carried out to distill out light fractions <425°C, the yield of light fractions is 56.5wt%, and vacuum residue i...

Embodiment 2

[0034] Heat the catalytic oil slurry to 160°C, add powdered condensed aluminum phosphate (aluminum dihydrogen tripolyphosphate, fineness 800 mesh) into the catalytic oil slurry, of which the catalytic oil slurry accounts for 97.0wt% of the total, and the condensed aluminum phosphate Accounting for 3.0wt% of the total, at 180°C, the reaction was completed after 170 minutes with ordinary stirring and mixing, and the modified catalytic oil slurry was obtained.

[0035] The conditions for atmospheric distillation and vacuum distillation after the modified catalytic oil slurry is mixed with heavy oil are the same as those in Example 1. The properties of the obtained vacuum residue are shown in Table 2.

Embodiment 3

[0037] Catalytic oil slurry accounted for 99.6wt% of the total amount, condensed aluminum phosphate (aluminum tripolyphosphate, fineness 800 mesh) accounted for 0.4wt% of the total amount, and other conditions were the same as in Example 1 to obtain modified catalytic oil slurry.

[0038] The conditions for atmospheric distillation and vacuum distillation after the modified catalytic oil slurry is mixed with heavy oil are the same as those in Example 1. The properties of the obtained vacuum residue are shown in Table 2.

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Abstract

The invention discloses a method used for processing catalytic slurry oil. The method comprises following steps: by mass, 0.1 to 5.0% of a modifier is added into 95.0 to 99.9% of catalytic slurry oil,and stirring is carried out to obtain a modified catalytic slurry oil; the modified catalytic slurry oil and crude oil are mixed, and are introduced into an atmospheric vacuum distillation unit for normal pressure distillation and underpressure distillation to obtain pressure reduction residual oil; wherein the modifier is one or a mixture of a plurality of components selected from condensed aluminium phosphate and silicon phosphate curing agents. The method is capable of realizing full utilization of catalytic slurry oil, improving the poor temperature sensitivity and aging resistance of catalytic slurry oil, increasing the flashing point of pressure reduction residual oil, and realizing direct using of the pressure reduction residual oil as road asphalt or as a raw material used in blending road asphalt and waterproof asphalt.

Description

technical field [0001] The invention relates to a method for treating catalytic oil slurry, especially for producing road asphalt. Background technique [0002] Heavy oil catalytic cracking is one of the important secondary processing methods in petroleum processing. In order to reduce catalyst carbon deposition and prolong its life, a certain proportion of oil slurry is usually thrown out of the catalytic cracking unit, most of which are used to produce fuel oil or mixed with residual oil for further processing. Coking unit, however, due to the presence of catalyst particles in FCC oil slurry, its combustion performance will be affected. In addition, from the principle of benefit maximization, it is not the best way to use it. [0003] In order to improve the utilization value of FCC oil slurry, some enterprises began to use oil slurry for asphalt production. The most commonly used technology is to mix oil slurry with crude oil for vacuum distillation to produce asphalt. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G53/02
CPCC10G53/02C10G2300/1003
Inventor 郭皎河郭小圣刘树华高鲜会宁爱民傅丽
Owner CHINA PETROLEUM & CHEM CORP
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