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How to protect the oxygen enrichment molecular sieve from pulverization

How to protect the oxygen enrichment molecular sieve from pulverization


Reason of Pulverization:

The filing of molecular sieve is not tight.

The molecular sieve is with poor crush strength.

Compared with soft pressure filling, mechanical filling is easy to pulverize the molecular sieve. 


Two common filling methods for adsorption tanks:

  1. Mechanical filling: the bottom layer is purified molecular sieve, the middle layer is lithium molecular sieve, and the top layer is wire mesh and wool blanket (the different layers are physically separated to ensure that they do not touch each other)ZEOLITE-1.png

2. Soft pressure filling: the bottom activated alumina layer, the middle is lithium molecular sieve, and the top is compressed with ordinary ceramic balls (the different layers are physically separated to ensure that they do not touch each other)ZEOLITE.png