Optimum Carbon Bed Depth
Optimum Carbon Bed Depth
(OP)
Trying to find the optimum liquid phase activated carbon bed depth for acid wash carbon (12 x 40 mesh). Is there such a thing as a maximum bed depth in a vessel. If so, what is the limiting factor (i.e. backwash flow, compaction of carbon, pressure drop, etc) ?





RE: Optimum Carbon Bed Depth
RE: Optimum Carbon Bed Depth
RE: Optimum Carbon Bed Depth
You should be replacing the bed on an annual basis. If you replacing the bed annual, there is no reason to install a deeper bed depth. A deeper bed depth will just give you a slightly higher pressure loss (~1 psi or so)across the filter with no improvement in water quality parameters.
RE: Optimum Carbon Bed Depth
The maximum depth can be calculated by Ergun formula to have a pressure loss around 5 psig for a clean bed.
RE: Optimum Carbon Bed Depth