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Selective adsorption of molecular sieves in small air separation unit

Selective adsorption of molecular sieves in small air separation unit
Sep 12, 2025
Author: DEAR AST

The molecular sieve selectively adsorbs molecules according to their different properties in liquid air separation plant. According to the size of the molecules, the molecules smaller than their pore size are selected for adsorption; for molecules of similar size, according to the polarity of the molecules, the more polar molecules are selected for preferential adsorption; according to the saturation of the molecules, the larger the unsaturation, the easier they are to be adsorbed and the more substances are adsorbed; according to the boiling point of the molecules, the molecules with high boiling point are selected for adsorption first.

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