Layered absorbent for trapping CO2 in tail gas
An absorbent and tail gas technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of weak anti-oxidative degradation ability, high regeneration temperature, low decarbonization ability, etc., and achieve fast absorption rate, The effect of low regeneration temperature and low regeneration energy consumption
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0027] Prepare 300L layered absorbent, in which the composition and content of each component are as follows:
[0028] The total content of the basic absorbent is 30wt%, wherein, the content of N-methyldiethanolamine is 20wt%, the content of N,N-dimethylethanolamine is 10wt%; the total content of the activator is 3wt%, wherein, two The content of ethanolamine is 2wt%, the content of diisopropanolamine is 1wt%; 0.5wt%; the total content of organic solvent is 30wt%, wherein, the content of methanol is 20wt%, the content of isopropyl acetate is 10wt%; the content of water is 35.5wt%.
[0029] The testing process is: see figure 1 , the temperature is 40 °C, the gas phase CO 2 The partial pressure is 0.2MPa, the volume fraction is 30% containing CO 2 , O 2 and N 2The mixed gas (simulated exhaust gas of coal chemical plant) is input into the 500Nm gas filled with the above layered absorbent 3 / dCO 2 Pilot test device for capture continuous test, in which the absorption tower ...
Embodiment 2
[0033] Prepare 300L layered absorbent, in which the composition and content of each component are as follows:
[0034] The total content of the basic absorbent is 30wt%, wherein, the content of N-methyldiethanolamine is 20wt%, the content of N,N-dimethylcyclohexylamine is 10wt%; the total content of the activator is 3wt%, wherein , the content of diethanolamine is 2wt%, the content of diglycolamine is 1wt%; The content is 0.5wt%; the total content of organic solvent is 30wt%, wherein, the content of methanol is 20wt%, the content of n-propanol is 10wt%; the content of water is 35.5wt%.
[0035] The test process is the same as in Example 1, and the relevant data results are shown in Table 2.
[0036] Table 2 Layered absorbent absorption and desorption test results
[0037]
Embodiment 3
[0039] Prepare 300L layered absorbent, in which the composition and content of each component are as follows:
[0040] The total content of the basic absorbent is 30wt%, wherein, the content of N-methyldiethanolamine is 20wt%, the content of 1,4-diaminobutane is 10wt%; the total content of the activator is 3wt%, wherein, two The content of glycol amine is 2wt%, the content of triethylene glycol amine is 1wt%; 0.5wt%; the total content of organic solvent is 30wt%, wherein, the content of methanol is 20wt%, the content of phenylethyl alcohol is 10wt%; the content of water is 35.5wt%.
[0041] In addition to CO in the mixed gas 2 Except that the partial pressure is 0.4MPa, the test process is the same as in Example 1, and the relevant data results are shown in Table 3.
[0042] Table 3 Layered absorbent absorption and desorption test results
[0043]
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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