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Hydrogenation conversion process

A technology of hydroconversion and hydrocracking, which is applied in the fields of hydroprocessing, petroleum industry, and hydrocarbon oil treatment, etc., to achieve the effects of saving equipment investment and operating costs, increasing space velocity, and improving quality

Active Publication Date: 2008-12-31
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above methods all use heavy feed oil to produce light products, and do not involve the processing of wide fraction feed oil

Method used

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  • Hydrogenation conversion process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～4 and comparative example 1

[0031] The used raw material properties of embodiments and comparative examples are shown in Table 1, and the test process conditions and the product properties obtained are listed in Table 2 and Table 3.

[0032] Table 1 Raw Oil Properties

[0033] Raw oil

[0034] *Mixed oil is as follows, by weight: coking whole distillate oil: ordinary third line oil: minus first line oil = 30:40:30

[0035] Table 2 process conditions and product properties

[0036] Example 1

[0037] Table 3 Product Properties

[0038] Example 1

[0039] It can be seen from the data of the examples and comparative examples that, through the hydrogenation combined process of the present invention, the operating severity of the device can be reduced, the processing capacity of the device can be increased, and high-quality light fuel products can be produced at the same time, especially the direct production of fuel products that meet the specifications High quality naphth...

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Abstract

The invention discloses a hydro-conversion method, in particular to a long distillate raw oil hydro-cracking method. The method comprises: mixing a long distillate raw oil with the generated stream in a second hydrogenation reaction zone to enter a first hydrogenation reaction zone, separating the generated stream after the hydro-treating reaction to obtain hydrogen-rich gas and liquid, recycling the hydrogen-rich gas, putting the liquid into a fractionating tower for fractionation to obtain light-end products and tail oil, mixing the tail oil with hydrogen to enter the second hydrogenation reaction zone, and putting the generated stream in the second hydrogenation reaction zone into the first hydrogenation reaction zone. Compared with the prior art, the method realizes the direct production of clean automotive fuel and high quality chemical raw materials by long distillate raw materials in a set of hydrogenation systems, thereby reducing the equipment investment and operating cost.

Description

technical field [0001] The invention relates to the field of petroleum or alternative liquid fuel processing, in particular to a method for producing light clean fuel and chemical raw materials by hydrocracking wide-distillation raw material oil. Background technique [0002] Petroleum and its products have accelerated the process of modernization and continue to play an important role. According to a 2007 report by the American Journal of Oil and Gas, almost all crude oil in the world has tended to become heavier in the past five years. At present, the world's total oil consumption continues to increase, while environmental protection regulations are becoming increasingly stringent, requiring further reduction of sulfur content in high-quality motor fuels, and even some countries have reached the stringent standards for the production of sulfur-free fuels, while other product specifications are also restricted, such as gasoline, diesel Aromatics content, diesel cetane numb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G65/12
Inventor 刘涛吴子明关明华石友良曾榕辉黄新露白振民
Owner CHINA PETROLEUM & CHEM CORP
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