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Catalyst system for sulfur-hydrocarbon-containing desulfurization, sulfur-hydrocarbon-containing desulfurization method and device for method

A technology of catalysts and sulfur-containing hydrocarbons, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxides/metal hydroxide catalysts, etc., can solve the problems of desulfurization activity and desulfurization stability, and affect the Solve the problems of sulfur hydrocarbon desulfurization implementation effect and incomplete reduction of active metals, etc., to achieve the effect of improving activity and stability, reducing pile ratio and high wear strength

Active Publication Date: 2015-04-29
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the frequent oxidation regeneration-reduction process, metals as active components will aggregate, and the reduction temperature is limited by the sublimation temperature of zinc oxide, which will also lead to incomplete reduction of active metals, making the adsorption capacity of the adsorbent during recycling The desulfurization activity decreases, and the deactivation rate of the adsorbent is high, which affects the implementation effect of desulfurization of sulfur-containing hydrocarbons
[0006] It can be seen that although adsorption desulfurization can achieve good deep desulfurization, there are still problems in the desulfurization activity and desulfurization stability in practical applications.

Method used

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  • Catalyst system for sulfur-hydrocarbon-containing desulfurization, sulfur-hydrocarbon-containing desulfurization method and device for method
  • Catalyst system for sulfur-hydrocarbon-containing desulfurization, sulfur-hydrocarbon-containing desulfurization method and device for method
  • Catalyst system for sulfur-hydrocarbon-containing desulfurization, sulfur-hydrocarbon-containing desulfurization method and device for method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] This example is used to illustrate the catalyst system and the method for desulfurizing sulfur-containing hydrocarbons of the present invention.

[0079] (1) Catalyst system. Ni / Al 2 o 3 It is the active component coating, which is coated on a cordierite honeycomb carrier (the carrier pore density is 400 holes / square inch, and the opening ratio is 70%) to obtain a catalyst with a regular structure, and the nickel content on the active component coating is 80% by weight , Al 2 o 3 The content is 20% by weight. The coating content of the active component in the catalyst was 25% by weight.

[0080] The desulfurization aid is prepared by the following method:

[0081] Mix 6.38 kg of zinc oxide powder (produced by Beijing Chemical Plant, containing 6.3 kg on a dry basis) and 8.5 kg of deionized water, and stir for 30 minutes to obtain a zinc oxide slurry.

[0082] Take 1.60 kg of alumina (produced by Shandong Aluminum Factory, including 1.20 kg on a dry basis) and 3.0...

Embodiment 2

[0087] This example is used to illustrate the catalyst system and the method for desulfurizing sulfur-containing hydrocarbons of the present invention.

[0088] (1) Catalyst system. Ni / Al 2 o 3 It is the active component coating, which is coated on a cordierite honeycomb carrier (the carrier pore density is 200 holes / square inch, and the opening ratio is 30%) to obtain a catalyst with a regular structure, and the nickel content on the active component coating is 40% by weight , Al 2 o 3 The content is 60% by weight. The coating content of the active component in the catalyst was 20% by weight.

[0089] The desulfurization aid is prepared by the following method:

[0090] Mix 8.5 kg of zinc oxide powder (produced by Beijing Chemical Plant, containing 8 kg on a dry basis) with 8.5 kg of deionized water, and stir for 30 minutes to obtain a zinc oxide slurry.

[0091] Take 1.33 kg of alumina (produced by Shandong Aluminum Factory, including 1.0 kg on a dry basis) and 1.2 kg...

Embodiment 3

[0095] This example is used to illustrate the catalyst system and the method for desulfurizing sulfur-containing hydrocarbons of the present invention.

[0096] (1) Catalyst system. Ni / Al 2 o 3 It is the active component coating, which is coated on a cordierite honeycomb carrier (the carrier pore density is 100 holes / square inch, and the opening ratio is 50%) to obtain a catalyst with a regular structure, and the nickel content on the active component coating is 70% by weight , Al 2 o 3 The content is 30% by weight. The coating content of the active component in the catalyst was 10% by weight.

[0097] The desulfurization aid is prepared by the following method:

[0098] Mix 5.1 kg of zinc oxide powder (produced by Beijing Chemical Plant, including 5.0 kg on a dry basis) and 8.5 kg of deionized water, and stir for 30 minutes to obtain a zinc oxide slurry.

[0099] Take 2.0 kg of alumina (produced by Shandong Aluminum Factory, including 1.50 kg on a dry basis) and 4.2 kg...

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Abstract

The invention discloses a catalyst system for sulfur-hydrocarbon-containing desulfurization, a sulfur-hydrocarbon-containing desulfurization method using the catalyst system and a device for implementing the method. The catalyst system comprises a desulfurization auxiliary and a monolithic catalyst, wherein the active ingredient coating of the monolithic catalyst comprises 30-90wt% of active metal and 10-70wt% of substrate; the desulfurization auxiliary comprises 5-35wt% of alumina, 5-35wt% of a silicon oxide source and 30-90wt% of oxide of at least one metal of IIB, VB and VIB families; the desulfurization auxiliary is microspheres having average grain size of 20-200 microns; the weight ratio of the desulfurization auxiliary to the active ingredient coating of the monolithic catalyst is (1-9):1. The catalyst system provided by the invention has better desulfurization activity and desulfurization stability.

Description

technical field [0001] The present invention relates to a catalyst system for desulfurization of sulfur-containing hydrocarbons, a method for desulfurization of sulfur-containing hydrocarbons and a device thereof, in particular to a catalyst system for desulfurization of sulfur-containing hydrocarbons, the catalyst system is used for a method for desulfurization of sulfur-containing hydrocarbons, and the implementation of the method The means of the method. Background technique [0002] Sulfur in vehicle fuel produces sulfur oxides after combustion. This substance will inhibit the activity of the precious metal catalyst in the automobile exhaust converter and cause it to be irreversibly poisoned, and cannot realize the catalytic conversion of toxic gases in the automobile exhaust, resulting in the unburned non-methane hydrocarbons and nitrogen in the automobile exhaust. oxides and carbon monoxide. These toxic gases are easily catalyzed by sunlight to form photochemical smo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/80B01J35/04C10G45/06
Inventor 王鹏孙言田辉平林伟王磊许明德
Owner CHINA PETROLEUM & CHEM CORP
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