5A Molecular Sieve Used Industrial PSA Column For Hydrogen Production

As one of the most professional manufacturers of famous brands' 5A Molecular Sieve, we warmly welcome you to buy the 5a molecular sieve used industrial psa column for hydrogen production in stock from us. Low price and excellent after-sale service will be offered.

In the petrochemical industry when it comes to the production of synthetic fibers, plastics, and similar materials, a vital process is steam cracking through which important chemicals like propylene and ethylene are produced. In steam cracking, there is the thermal decomposition of ethane, propane, or naphtha (basically hydrocarbon feedstock). This is done at high temperatures for the production of lighter hydrocarbons. However, as a by-product of this process, carbon dioxide is produced. This is not desired as there are several issues that this causes like possible reactions with ethylene. Such reactions cause the formation of unwanted byproducts. Another reason CO2 removal is required is that there could be corrosion caused to equipment or deactivation of the catalyst apart from other types of operational challenges. Due to this, the use of a molecular sieve for CO2 removal is required.

The 5A molecular sieve is used for CO2 removal as it has an affinity towards carbon dioxide due to the selective nature of its properties. This molecular sieve for steam cracking is used because when the cracked gas stream is passed through the 5A molecular sieve bed, the CO2 molecules are the ones that are adsorbed. Other gases like propylene and ethylene, on the other hand, are allowed to pass through. Thus, there is efficient CO2 removal with minimal waste. Of course, the capacity of adsorption can be affected by various factors like pressure, the concentration of the CO2 gas as well as temperature. These molecular sieves are preferred for gas generation because they are effective as well as cost-efficient due to their regenerative capacities. Through the application of heat or the reduction of pressure, the CO2 molecules on the adsorbent can be released and thus, the 5A molecular sieve can be reused for removing CO2 from steam-cracked gas.

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