Gas desulfurizing agent and preparation method thereof

A desulfurizer and gas technology, applied in the field of renewable sodium phosphate solution, can solve the problems of poor salt resistance and poor foaming ability, and achieve the effects of low cost, low energy consumption, and increased specific surface area

Inactive Publication Date: 2013-02-13
CHANGZHOU UNIV
View PDF4 Cites 11 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The reason why anionic-nonionic surfactants are used is mainly because nonionic surfactants have better anti-salt eff

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Gas desulfurizing agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Sodium phosphate dodecahydrate accounts for 3.0% (300g) of the mass percentage of the solution, 0.05% (5.2g) of lauryl alcohol, water (10000g), anionic surfactant sodium lauryl sulfate and nonionic surface The concentration of active agent alkyl polyglucoside is 5×10 -5 mol / L (mol). According to the above ratio, first dissolve sodium phosphate in water at 25~30°C, add foam stabilizer and surfactant, then stir for 20~30 minutes, add phosphoric acid aqueous solution to make the pH value 8.5~9.0, and prepare desulfurization solution.

Embodiment 2

[0027] Sodium phosphate dodecahydrate accounts for 23.0% (3000g) of the mass percentage of the solution, 0.05% (6.5g) of lauryl alcohol, water (10000g), anionic surfactant sodium lauryl sulfate and nonionic surface The concentration of active agent alkyl polyglucoside is 5×10 -5 mol / L (mol). According to the above ratio, first dissolve sodium phosphate in water at 25~30°C, add foam stabilizer and surfactant, stir for 20~30 minutes, add phosphoric acid aqueous solution to make the pH value 8.5~9.0, and prepare desulfurization solution.

Embodiment 3

[0029] Sodium phosphate dodecahydrate accounts for 23.0% (3000g) of the mass percentage of the solution, 0.1% (13g) of lauryl alcohol, water (10000g), anionic surfactant sodium lauryl sulfate and nonionic surfactant The concentration of alkyl polyglucoside was 12.5×10 -5 mol / L (mol). According to the above ratio, first dissolve sodium phosphate in water at 25~30°C, add foam stabilizer and surfactant, stir for 20~30 minutes, add phosphoric acid aqueous solution to make the pH value 8.5~9.0, and prepare desulfurization solution.

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 gas desulfurizing agent, in particular to a renewable sodium phosphate solution to which composite surfactant is added. The formula of the gas desulfurizing agent comprises 3 to 23%(wt) of hydrated sodium phosphate, 0.05 to 0.1%(wt) of dodecanol, a surfactant of which the concentration is 10*10<-5> to 25*10<-5>mol/l based on the total solution, an acid water solution present in an amount capable of enabling the pH (potential of hydrogen) of the desulfurizing solution to be 8.5 to 9.0, and the balance of water. The gas desulfurizing agent disclosed by the invention can be widely applied to the field of gas desulfurization and decarburization such as natural gas desulfurization and flue gas desulfurization.

Description

technical field [0001] The invention relates to a gas desulfurizer, in particular to a renewable sodium phosphate solution added with a composite surfactant. It can be widely used in gas desulfurization and decarbonization fields such as natural gas desulfurization and flue gas desulfurization. Background technique [0002] The vast majority of energy used by humans today is non-renewable coal, oil and natural gas. At present, the gas production of domestic sour gas fields (the mass fraction of sulfur is 2% to 4%) accounts for about 60% of the national gas production, and most sulfides are harmful impurities to natural gas, especially hydrogen sulfide, not only Serious corrosion is caused to important equipment such as storage tanks and pipelines, and it also seriously endangers the health of nature and human beings. To fundamentally solve these problems, it is necessary to consider the removal of hydrogen sulfide in natural gas. The desulfurization device widely used in ...

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
IPC IPC(8): B01D53/78B01D53/52
Inventor 王树立马路李恩田周诗岽
Owner CHANGZHOU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap