PSA—Method for eliminating space in the CO2 tower
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Due to process design reasons, the PSA-CO2 adsorption tower is not fully filled with silica gel, leaving about 5 M3 of space. In actual operation, it was found that these unfilled spaces have a significant impact on the gas recovery rate. Now, we want to fill those spaces with other substances, but silica gel cannot be used. I’ve thought of a few methods so far, but none of them are very satisfactory: 1. Pearl sand: It has a low bulk density, and its quality is acceptable ； But it has too many internal pores and is prone to pulverization ； 2. Refractory porcelain balls: The bulk density is a bit too high; about 10 tons per 5 cubic meters ； 3. The ends of the steel pipes should be sealed before installing them; their bulk density is similar to that of silicone, which results in optimal elimination of voids and satisfactory gas flow. However, individual steel pipes are heavy, making installation inside the tower a challenging task. I’d like to ask everyone if there are any other good methods. Thank you! ! !
It’s been a few days since the post was made, and no one has replied :( Is it HaiChuan that’s declining, or are those involved in ammonia synthesis the ones in decline?:lol
You need to ask the design institute – whether there is any chemical reaction between the filler and the manufacturing process~
There are too many voids inside the adsorption tower, and defects in its structure can lead to damage to the adsorbent over a long period during the pressure equalization process, resulting in dust generation. Using pearlescent sand is definitely not suitable; small ceramic balls or activated carbon should work instead.