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Acidic gas absorbent and composition for absorbing acidic gas comprising same

A technology of acid gas and absorbent, applied in reagents, educts, climate sustainability, etc., can solve the problems of high energy consumption, low economic benefits, difficult to handle chemical reaction products, etc., to achieve low energy consumption and good economic benefits , The effect of reducing electricity costs

Active Publication Date: 2018-02-06
KOREA ELECTRIC POWER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional acid gas absorbents have high viscosity, so it consumes a lot of energy when applying acid gas absorbents to processes, and it is difficult to handle chemical reaction products, and the economic benefit is low

Method used

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  • Acidic gas absorbent and composition for absorbing acidic gas comprising same
  • Acidic gas absorbent and composition for absorbing acidic gas comprising same
  • Acidic gas absorbent and composition for absorbing acidic gas comprising same

Examples

Experimental program
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example 6

[0093] According to the ingredients listed in Table 1 below, a composition for absorbing acid gas was prepared in the same manner as in Example 1, except that polyethylene glycol of formula 2 having a weight average molecular weight of 250 g / mol was changed to a weight average molecular weight The polyethylene glycol of formula 2 is 280 g / mol.

example 7

[0095] According to the ingredients listed in Table 1 below, a composition for absorbing acid gas was prepared in the same manner as in Example 1, except that polyethylene glycol of formula 2 having a weight average molecular weight of 250 g / mol was changed to a weight average molecular weight 350 g / mol of polyethylene glycol of formula 2.

example 8

[0097] According to the ingredients listed in Table 1 below, a composition for absorbing acid gas was prepared in the same manner as in Example 1, except that polyethylene glycol of formula 2 having a weight average molecular weight of 250 g / mol was changed to a weight average molecular weight 400 g / mol of polyethylene glycol of formula 2.

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Abstract

The present invention relates to an acidic gas absorbent containing a glycerinester compound and an ethylene glycol compound, and to a composition for absorbing acidic gas comprising the same. Thus, an acidic gas absorbent and a composition for absorbing acidic gas comprising the same can be provided, wherein the acidic gas absorbent has an excellent carbon dioxide absorption ability, an excellentcarbon dioxide collection rate, excellent binding stability with carbon dioxide, less energy consumption for circulation quantity through low viscosity, and excellent economic feasibility, can improve energy efficiency of the integrated gasification combined cycle, can save the power cost for an acidic gas collection process, and can use a wetting process and a physical reaction.

Description

technical field [0001] The present invention relates to an acid gas absorbent and a composition for absorbing acid gas. Background technique [0002] Gasification technology is a technology for converting a solid fuel such as coal into synthesis gas, and is a general term for energy, synthesis gas, and other chemical production. [0003] Gasification technologies generally include integrated gasification combined cycle (IGCC) technology, synthetic natural gas production technology, and the like. Integrated gasification combined cycle (IGCC) technology is a technology that gasifies fossil fuels into synthesis gas including carbon monoxide as a main component, purifies the gas, and allows the gas to be used for co-generation. The advantage of the integrated gasification combined cycle power generation method is that it is more energy-efficient and economical than thermal power generation using conventional pulverized coal boilers. Synthetic natural gas (SNG) production techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/14B01J20/26C08L71/12
CPCB01D53/1475B01D53/1493B01D2252/2025B01D2252/2026B01J20/262C08L71/12B01D53/14B01J20/26Y02C20/40Y02P20/151Y02P20/50
Inventor 千圣男李正彬金俊翰严庸硕
Owner KOREA ELECTRIC POWER CORP