Alumina desiccant has many capillary channels, large surface area, can be used as adsorbent, desiccant and catalyst. At the same time also based on the polarity of adsorbed substances to determine the strength of water, oxides, acetic acid, alkali and so has a strong affinity, activated alumina is a water depth desiccant, but also adsorbed polar molecules adsorbent .
The desiccant of alumina desiccant is similar to anion exchange resin, but it has a large selective anion resin for fluoride ion. The desiccant of alumina desiccant has good adsorption and defluorination effect and the capacity is stable. The absorbed fluorine per cubic meter of activated alumina is 6400 grams. Alumina desiccant has the advantages of high strength, low wear, constant infiltration of water, no swelling, no powdering and no cracking. Can be widely used in petroleum pyrolysis gas, ethylene propylene gas deep drying and hydrogen production, air separation plant, instrument drying machine drying, hydrogen peroxide fluoride treatment can also remove sulfur gas in the exhaust gas, sulfur dioxide, hydrogen fluoride, hydrocarbons, etc. Pollutants, in particular, to meet the fluoride fluoride water treatment.
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