Porous ceramic ball and method for prolonging operation period of hydrogenation device

A hydrogenation device and ceramic ball technology, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, hydrocarbon oil treatment, etc., can solve the problem of shortening the operation period of the hydrogenation device and the pressure difference of the catalyst bed Improve the oxidation stability of paraffin waxes, improve the reaction performance, and improve the cetane number of diesel oil

Inactive Publication Date: 2012-05-09
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there are problems such as deposition and coking of impurities in the raw material oil on the catalyst, which in turn leads to an increase in the pressure difference of the catalyst bed, deactivation of the catalyst, and shortening the operation cycle of the hydrogenation unit

Method used

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  • Porous ceramic ball and method for prolonging operation period of hydrogenation device
  • Porous ceramic ball and method for prolonging operation period of hydrogenation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The lower part of the hydrogenation catalyst bed is filled with Φ5, Φ10 and Φ13 ceramic foam balls from top to bottom, and the upper part of the hydrogenation catalyst bed is filled with Φ13, Φ10 and Φ5 ceramic foam balls from top to bottom. The Φ5 ceramic foam ball on the upper part of the layer contains 1% molybdenum oxide. The filling thickness of each foam ceramic ball is 80mm. The reaction results are shown in Table 2.

Embodiment 2

[0032] Φ15, Φ10, Φ6, and Φ3 honeycomb ceramic balls are loaded sequentially from top to bottom on the top of the hydrogenation catalyst bed, Φ10 honeycomb ceramic balls contain 0.5% molybdenum oxide, Φ6 honeycomb ceramic balls contain 1% molybdenum oxide and 0.5% nickel oxide, Φ3 honeycomb ceramic balls contain 2.5% molybdenum oxide and 0.5% nickel oxide, and the filling thickness of each honeycomb ceramic ball is 70mm. The lower part of the hydrogenation catalyst bed is inert ceramic balls packed conventionally. The reaction results are shown in Table 2.

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Abstract

The invention discloses a porous ceramic ball and a method for prolonging the operation period of a hydrogenation device. The porous ceramic ball is a foam ceramic or honeycomb ceramic spherical object, and the porous ceramic ball can contain a small number of active ingredients. The method for prolonging the operation period of the hydrogenation device is characterized in that the foam ceramic or honeycomb ceramic spherical object is filled at the upper part and / or the lower part of a hydrogenation catalyst bed layer. The porous ceramic ball and the method for prolonging the operation period of the hydrogenation device are used for effectively prolonging the operation period of the hydrogenation device in the poor quality raw material hydrogenation process.

Description

technical field [0001] The invention relates to a porous ceramic ball and a method for prolonging the operation period of a hydrogenation device. Background technique [0002] At present, the continuous development of the world economy and the increasingly stringent environmental protection regulations require the production of a large amount of light and clean fuels, which require the improvement and improvement of the existing refining technology to produce products that meet the requirements at the lowest cost. With the increasing shortage of crude oil resources and the development of heavy and inferior crude oil resources, catalytic cracking (FCC) and coking have become important means of producing light fuel products, but the quality of products obtained by these two processes is generally difficult to meet strict index requirements. At present, the hydrogenation process with the main purpose of desulfurization and upgrading has been widely used in the production of cle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G45/08C10G47/02C10G49/04C10G73/44B01J32/00B01J35/10B01J35/04B01J23/28B01J23/883
Inventor 赵光宇王玉良于晓方王继锋
Owner CHINA PETROLEUM & CHEM CORP
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