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lida3030
Newbie
10 Posts
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 Posted -
3/3/2020
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8:29:48 AM
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It is very rare to find the pure form of hydrogen on earth. Hydrogen is generally found in the combination with other atoms and molecules. So, in order to separate the hydrogen from these substances, an effective purification process is required. Molecular sieve is used for generating pure hydrogen which can be further utilized in various industries.
Hydrogen generation typically involves the production of contaminants or side products that need to be removed. It includes compounds such as carbon monoxide, carbon dioxide, nitrogen, water and unreacted hydrocarbons. Hydrogen PSA takes advantage of the preferential adsorption of these components, eliminating them from the hydrogen stream to yield purified hydrogen.
Traditionally, Hydrogen PSA takes advantage of multiple sieve beds and is comprised of four phases: an adsorption phase, a depressurization phase, a regeneration phase and a repressurization phase. In the process, the impure stream of hydrogen is passed into the sieve bed where impurities are selectively adsorbed onto the molecular sieve under pressure. After the adsorption step is completed, regeneration is accomplished by depressurizing the bed which decreases the affinity of the impurities allowing them to be discarded. Further purification of the bed is achieved by purging with pure hydrogen to remove any remaining contaminants. The bed is again pressurized to repeat the adsorption process. The beds run in sync to allow continuous hydrogen generation.
JaLon Molecular sieve PH5 is synthetic crystalline aluminosilicate with well-developed three dimensional pore structure and strong polarity with pore opening of 0.5 nm.
Molecular sieve PH5 is suitable for PSA / VPSA unit for hydrogen purification, oxygen generation, carbon monoxide generation and it also used for separation of normal paraffin from branched and cyclic hydrocarbons.
Molecular sieve PH5 produced by Luoyang Jalon exhibits high mass transfer efficiency, high mechanical strength and durability.
Product nameTypeSize-MeshSize-mm
Molecular sieve PH5Bead8X121.6-2.5Application suppliers
website:http://www.jalonmolecularsieve.com/application/ |
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wickiup
Master Programmer
187461 Posts
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Posted - 6/13/2023 : 1:35:19 AM
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Application suppliers