Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Production method of natural gas fine purification desulphurizing agent

A desulfurizer, natural gas technology, applied in gas fuel, petroleum industry, fuel and other directions, can solve the problems of low removal efficiency of organic sulfur, increased desulfurization cost, and the total sulfur content cannot be too high, and achieves good application prospects and efficient desulfurization. The effect of removing organic sulfur and reducing the cost of refining and desulfurization

Inactive Publication Date: 2010-06-02
SOUTHWEST PETROLEUM UNIV
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that natural gas refined desulfurization is a relatively complicated process, and natural gas fine desulfurization mostly adopts dry desulfurization process. Most dry desulfurizers are not efficient in removing organic sulfur, and there is usually organic sulfur in front of it. Hydroconversion and organosulfur hydrolysis plant
In addition, limited by the capacity of organic sulfur, the total sulfur content of the raw material gas for dry desulfurization should not be too high, otherwise the cost of desulfurization will increase

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 0.1molAlCl 3 Dissolve 0.3mol sodium hydroxide in 300mL water to obtain Al(OH) 3 sol, and then add 1mol SiO 2 Silica sol and 0.1molα-cyclodextrin were stirred at room temperature to obtain the sol, the stirring time was 2h, and the stirring speed was 1000r / min; then the temperature was raised to 60°C, and the stirring reaction was continued for 10h; after the reaction, the temperature was raised to 100°C to crystallize It is then washed, dried and pressed into shape.

[0013] With the desulfurizer prepared by the above method, the sulfur content after purification treatment by the natural gas company is 22mg / m 3 The organic sulfur-containing natural gas is refined and desulfurized, and the sulfur content after desulfurization is about 10mg / m3 measured in the laboratory 3 .

Embodiment 2

[0015] 0.1molAlCl 3 Dissolve 0.3mol sodium hydroxide in 300mL water to obtain Al(OH) 3 sol, and then add 1mol SiO 2 The silica sol and 0.1mol β-cyclodextrin were stirred at room temperature to obtain the sol, the stirring time was 2h, and the stirring speed was 1000r / min; then the temperature was raised to 60°C, and the stirring reaction was continued for 10h; after the reaction, the temperature was raised to 100°C Crystallized, then washed, dried and pressed into shape.

[0016] With the desulfurizer prepared by the above method, the sulfur content after purification treatment by the natural gas company is 22mg / m 3 The organic sulfur-containing natural gas is refined and desulfurized, and the sulfur content after desulfurization is measured in the laboratory at about 1.5mg / m 3 .

Embodiment 3

[0018] 0.1molAlCl 3 Dissolve 0.3mol sodium hydroxide in 300mL water to obtain Al(OH) 3 sol, and then add 1mol SiO 2 The silica sol and 0.1mol γ-cyclodextrin were stirred at room temperature to prepare the sol, the stirring time was 2h, and the stirring speed was 1000r / min; then the temperature was raised to 60°C, and the stirring reaction was continued for 10h; after the reaction, the temperature was raised to 100°C Crystallized, then washed, dried and pressed into shape.

[0019] With the desulfurizer prepared by the above method, the sulfur content after purification treatment by the natural gas company is 22mg / m 3 The organic sulfur-containing natural gas is refined and desulfurized, and the sulfur content after desulfurization is measured in the laboratory to be about 6mg / m 3 .

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a preparation method for natural gas refining desulphurizer in the natural gas processing field. Cyclodextrin molecules in the desulphurizer can effectively identify organic sulfur molecules in natural gas and are contained in a cyclodextrin cavity, and thereby the purpose of refining desulfuration is achieved. The invention adopts the technology proposals that AlCl3 and sodium hydroxide are dissolved in a certain amount of water according to mol ratio of 1 : 3, and Al(OH)3 sol is prepared; then silica sol and cyclodextrin are added into the Al(OH)3 sol, the mol ratioof Al(OH)3 to SiO2 to the cyclodextrin is 0.1 : 1 : 0.1 to 1, the stirring is performed at room temperature to prepare sol, the time of the stirring is 2 to 6 hours, and the rotating speed of the stirring is 1000 r / min; then the temperature is risen to 60 to 80 DEG C, and the stirring is continuously performed to react for 6 to 20 hours; after the reaction is finished, the temperature is risen to90 to 130 DEG C to perform crystallization, and finally the desulphurizer is formed through cleaning, drying, and pressing. The desulphurizer prepared through the invention can effectively remove organic sulfur in the natural gas and simplify a refining desulfuration process, the refining desulfuration cost is reduced, and the invention can be widely used for the refining desulfuration of the natural gas.

Description

technical field [0001] The invention relates to a method for preparing a natural gas refining desulfurization agent. The desulfurizing agent prepared by the method can effectively remove organic sulfur in natural gas, simplify the refining desulfurization process, and reduce the cost of refining desulfurization, and belongs to the preparation method of chemical auxiliary agents in the field of natural gas processing. . technical background [0002] The sulfides contained in natural gas are basically H 2 S and organic sulfides exist in the form of sulfur, which are also called acid gases. The existence of these gases will cause corrosion of metal materials and pollute the environment. When natural gas is used as a chemical raw material, they can also cause catalyst poisoning and affect product quality. Therefore, the purpose of natural gas desulfurization is to remove the above-mentioned impurity components in the gas to the required specifications according to different us...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C10L3/10
Inventor 邹长军廖文菊
Owner SOUTHWEST PETROLEUM UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com