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Supported Cu+ on activated carbon carrier was used to enhance the CO selectivity and thus to produce high concentration CO gas in a single stage CO-PSA which simulated a commercial 4-beds system operating in six steps (equalization, blow down, purge, desorption, repressurization and adsorption). Since the adsorbent adsorbed CO by chemisorption very strongly, we decided that a system should be high-pressure...
Parametric pumping is a cyclic process that allows purification of industrial wastewaters without spending chemicals for regeneration and therefore avoiding a new pollution problem. The applicability of this technology to the purification of salicylic acid in liquid phase has been studied, salicylic acid being a phenolic compound with a high production in a world scale which is mainly linked to aspirin...
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