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Fluidized bed hydrogenation reaction system and hydrogenation method

A technology of hydrogenation reaction and reaction system, which is applied in hydrotreating process, petroleum industry, treatment of hydrocarbon oil, etc., can solve the problems of poor deoiling effect of waste catalyst, complicated process and high energy consumption, and achieve the effect of strengthening heavy oil desorption , The processing method is simple, and the effect of improving the processing efficiency

Active Publication Date: 2021-07-16
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It solves the problems that the traditional treatment method needs to set up additional treatment processes, the process is complicated, the energy consumption is high, and the deoiling effect of the spent catalyst is poor

Method used

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  • Fluidized bed hydrogenation reaction system and hydrogenation method
  • Fluidized bed hydrogenation reaction system and hydrogenation method
  • Fluidized bed hydrogenation reaction system and hydrogenation method

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Example 1: Vacuum residual oil is used as raw material, and vacuum residual oil is mixed with fresh hydrogen into an ebullated bed reactor for hydrogenation reaction. Hydrogenation reaction conditions: reaction temperature: 420°C, reaction pressure 18MPa, volume space velocity 0.5h -1 , the volume ratio of hydrogen to oil is 800; the reaction product is separated by a hot high-pressure separator, and the separated gas phase enters the catalyst stripping tank 5 for catalyst stripping. The stripping process conditions: stripping temperature: 415°C, stripping gas phase pressure 17.5MPa, stripping After completion, the dried catalyst exits the stripping tank. The specific reaction results are shown in Table 2.

Embodiment 2

[0039] The process is the same as in Example 1, except that the ebullated bed residue hydrogenation reactor and the stripping process conditions in the corresponding catalyst stripping tank, in Example 2, the reaction temperature in the ebullated bed reactor: 430 ° C, the reaction Pressure 19MPa, volumetric space velocity 0.4h -1, the volume ratio of hydrogen to oil is 900; the reaction product is separated by a hot high-pressure separator, and the separated gas phase enters the catalyst stripping tank 5 for catalyst stripping. The stripping process conditions: stripping temperature: 425°C, stripping gas phase pressure 18.5MPa, stripping After completion, the dried catalyst exits the stripping tank. The reaction results are shown in Table 2.

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Abstract

The invention provides a fluidized bed hydrogenation reaction system and a hydrogenation method. According to the fluidized bed hydrogenation reaction system, a waste catalyst treatment unit is embedded in the hydrogenation reaction system, a waste catalyst is treated with the help of high-temperature oil gas generated by heavy oil hydrogenation reaction, and the target of oil-agent separation is achieved through process change and operation condition change. The oil removal effect is greatly improved, the energy consumption is reduced, and the efficiency is improved. The problems that in a traditional treatment method, treatment procedures need to be additionally arranged, the process is complex, energy consumption is high, and the deoiling effect of the waste catalyst is poor are solved.

Description

technical field [0001] The invention belongs to the field of oil refining and chemical industry, and in particular relates to a fluidized bed hydrogenation reaction system and a hydrogenation method. Background technique [0002] Catalysts play an important role in the development of the national economy. Catalysts play an important role in increasing product yield and reducing process energy consumption. However, at the same time, enterprises will produce a large amount of spent catalysts every year. The spent catalysts contain hydrogenation reaction process If a large amount of toxic and harmful metals deposited, such as V, Ni, Co, etc., are directly buried, it will not only cause serious environmental pollution, but even cause groundwater pollution. Using certain technical means to recycle these metals will not only avoid the environmental pollution of spent catalysts , also obtain certain economic benefits, kill two birds with one stone, benefit the country and the peopl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/00
CPCC10G67/00C10G2300/1077C10G2300/107C10G2300/1037C10G2300/10
Inventor 孟兆会刘玲仝玉军杨涛葛海龙陈博
Owner CHINA PETROLEUM & CHEM CORP
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