Gas oil and residual oil hydrotreating process for producing catalytically cracked material

A catalytic cracking raw material and hydrotreating technology, which is applied in hydrotreating process, hydrocarbon oil treatment, petroleum industry, etc., can solve the problems of high investment cost and operating cost, achieve the best effect, improve processing depth, and broaden the source Effect

Active Publication Date: 2010-01-06
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method requires a residual oil hydrogenation unit, so the investment cost and operating cost are high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The mixture of gas oil and hydrogen enters the first reaction zone to be in contact with the hydrogenation protection agent and the hydrofinishing catalyst to react successively. The reaction product is directly mixed with the residual oil without separation and then enters the second reaction zone, which is sequentially contacted with the hydrogenation protection agent. Agent, hydrodemetallization catalyst and hydrotreating catalyst are contacted for reaction, and the reaction products are cooled and separated to obtain hydrogen-rich gas and liquid products. Based on the weight of the whole raw material, the weight percentage of residual oil is 20% by weight. Based on the catalyst volume in the first reaction zone, the loading volume percentages of the hydrogenation protecting agent and the hydrofining catalyst are respectively 5% by volume and 95% by volume; based on the catalyst volume in the second reaction zone, the hydrogenation protecting agent, hydrogenation The...

Embodiment 2

[0031] The mixture of gas oil and hydrogen enters the first reaction zone to contact with the hydrofining catalyst for reaction, and the reaction product is directly mixed with the residual oil without separation and then enters the second reaction zone, where it is sequentially mixed with hydrogenation protecting agent, hydrodemetallization The catalyst and the hydrotreating catalyst are contacted for reaction, and the reaction products are cooled and separated to obtain hydrogen-rich gas and liquid products. Based on the weight of the whole raw material, the weight percentage of residual oil is 10% by weight. Based on the catalyst volume in the first reaction zone, the loading volume percentage of the hydrofinishing catalyst is 100% by volume; based on the catalyst volume in the second reaction zone, the loading of the hydrogenation protecting agent, hydrodemetallization catalyst and hydrotreating catalyst The volume percentages are 7.5 volume%, 67.5 volume%, and 25 volume%,...

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PUM

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Abstract

The process of hydrogenating gas oil and residual oil to produce catalytically cracked material includes the following steps: contacting and reacting the mixture of gas oil and hydrogen with optional hydrogenation protecting agent and hydrogenation refining catalyst in the first reaction area; directly mixing the produced oil with residual oil, contacting and reacting the mixture with hydrogenation protecting agent, hydrogenating and demetallizing catalyst and hydrotreating catalyst successively in the second reaction area; cooling and separating the reacted products to obtain hydrogen-rich liquid and gas products. The present invention makes it possible to produce high quality catalytically cracked material via adding residual oil in 5-50 wt% into gas oil.

Description

technical field [0001] The invention belongs to a method for refining hydrocarbon oil in the presence of hydrogen, more specifically, a method for hydrotreating gas oil and residual oil to produce catalytic cracking raw materials. Background technique [0002] With the increasingly stringent environmental protection regulations around the world, countries and regions around the world have higher and higher quality requirements for refined oil products, especially light oil products such as gasoline and diesel. Sulfur limits are more stringent. The main problem of my country's gasoline quality is the high content of sulfur and olefins. The main reason is that the proportion of catalytic cracked gasoline in the gasoline pool is too high, accounting for more than 80% by weight; while catalytic diesel oil accounts for nearly three thirds of the total amount of diesel blending. one-third. Facing the grim situation that crude oil is becoming heavier and the processing volume of i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G65/04
Inventor 牛传峰刘涛戴立顺杨清河
Owner CHINA PETROLEUM & CHEM CORP
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