Which Hot lime softener is better an Upflow or a Downflow?
Which Hot lime softener is better an Upflow or a Downflow?
(OP)
I am visiting an old plant with no engineering records, this plant has several hot lime softeners of diferent types and dimentions,
Some are upflow , where the new water goes down a central pipe and up trought a mud bed
.
Other softeners are of the down flow type where new water goes at the top from a distribution cone, and sludge goes to the bottom.
Which one is better , what is the operation procedures for one or the other, every body in the plant has different opinions.
Thanks
Some are upflow , where the new water goes down a central pipe and up trought a mud bed
.
Other softeners are of the down flow type where new water goes at the top from a distribution cone, and sludge goes to the bottom.
Which one is better , what is the operation procedures for one or the other, every body in the plant has different opinions.
Thanks





RE: Which Hot lime softener is better an Upflow or a Downflow?
Upflow units are typically best for silica removal (precipitation or adsorption onto MgO / Mg(OH)2 particles). The upflow design also lends itself to use of internal compartments for filter backwash storage and condensate or treated water deaeration.