Patent ID: 6036866
Filing Date: 2000-03-14
Classification: C02F

Abstract:
A method for the treatment of fluid with a plurality of N fluid treatment units connected in parallel, comprising the steps of:a) providing N threshold values, F.sub.k, where each k is a distinct integer from one to N, each F.sub.k is a number between zero and one, and each F.sub.k+1 is greater than F.sub.k ;b) determining the fractional capacity of each one of said N fluid treatment units;c) treating fluid with N fluid treatment units until any k number of said N fluid treatment units each have a fractional capacity less than or equal to F.sub.k ;d) selecting for regeneration the one of said N fluid treatment units having the least remaining capacity;e) taking the said selected fluid treatment unit out of service; andf) subjecting to regeneration the said selected fluid treatment unit while treating fluid with all of the N-1 remaining said fluid treatment units.