Dear All
I am working on dehydration unit with mole sieve, we are face a moisture breakthrough problem in the mole sieve in the hot season.
The unit contain three bed (A, B,C) two working and one is in regeneration phases, desiccant was changed for the latest 3 years by like to like dessicant. the cycle is 24 hours adsorption, 6h regeneration 5.5h cooldown and 0.5h stand by
Outlet specification is 0.1ppm v recently the performance of the first bed (A) was decreased and the water content reach 0.6 ppm we intends to change the time cycle to 22h adsoption, 5 h regen 6h cool and 0 standby.
Please advice us regarding this problem? what are the possible causes of moistre breakthrough and according to your experience what is the best recommandation or action to avoid this problem?
Regards
Edited by bassem Process, 15 September 2017 - 03:22 AM.