Applications
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15.Pressure Swing Adsorption (PSA) and Gas Separation, Gas Manufacturing
From natural gas purification to helium purification, activated carbon continues to drive the evolution of gas separation towards low energy consumption and high precision by using ‘pores as sieve’ (microporous size effect) and ‘surface as vessel’ (functional group modification). Future trends will focus on ‘adsorption-catalysis’ synergies (e.g., biodesulfurisation) and intelligent PSA systems (e.g., the Zhangzhou hydrogen platform) to meet the demand for cleaner gases in the context of the ‘dual-carbon’ goal.
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Activated Carbon for Pressure Variables Adsorption and Gas Separation Applications |
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Application areas |
Type of activated carbon |
Separation of gases |
Technology Mechanisms |
Typical Case/ Performance Indicators |
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Natural gas decarbonisation |
Hydrophobically Modified Coal based activated carbon |
CO₂/CH₄ |
Ultra-low pressure physical adsorption |
CO₂ capture rate 95.72 per cent |
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Natural gas desulphurisation |
Coal Carrier Activated Carbon |
H₂S/CH₄ |
Microbial catalytic oxidation |
H₂S removal rate 99.8 per cent |
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Hydrogen purification |
Coconut shell based Activated carbon - molecular sieve composite |
H₂/CO₂-CH₄ |
Multi-tower PSA impurity adsorption |
99 per cent purity, 90.47 per cent recovery |
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Blue Hydrogen Preparation |
KOH activated petroleum coke |
CO₂/H₂ |
CCS Adsorption-coupled CCS |
80 per cent carbon reduction |
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Coalbed methane enrichment |
Starch-bonded lignite |
CH₄/N₂ |
Micropore size screening |
CH₄ concentration from 30 per cent to 60 per cent |
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VOCs Recovery of VOCs |
Honeycomb coal-based activated carbon |
VOCs/Air |
Adsorption-desorption regeneration |
Solvent recovery >95% |
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Nuclear decontamination |
Ruthenium/rhodium loaded wood based activated carbon |
I₂-Xe/Air |
Precious metal catalytic adsorption |
Radioactive gas removal rate >99 per cent |
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Gas peak conversion |
Coconut shell based activated carbon |
CH₄/N₂ |
Balanced adsorption separation |
CH₄ from 47.46 per cent to 71.38 per cent |
Shanxi ATTA Carbon Technology Co., Ltd.
Contact Us
Office Add：Room 201,Unit2,Building7th,Huarunyuefu,No.27ChangxingSd, Wanbailin District,Taiyuan,Shanxi PR.China.
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