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INTRODUCTION
The filtration into high pressure filters is an application
that allows to deal with high water’s
volumes using
relatively limitated filtering surfaces, if compared with
gravity filters that require
surfaces of contact really
wide.
The fiberglass VTR TANK, in this last years, are obtaining
a great success for the treatement
of flood waters that
require the application of high quantity of minerals and
high volume backwash flows.
The problem of the high pressure filters, has always
been, to optimize at the most the time
of contact of
the filtered water with the filtering surface and to have
at disposition a drainage system
that is able to restore
with a backwash the initial conditions of the filtering
product.
Generally the water, depending on its origin and on its
quality is filtered as it is or after a series
of pre-treatments
(i.e.grating, filtering oils, decantation, flotation, and/or
decarbonatation, chlorination)
to eliminate all the
suspended
substances ( more o less small) present for nature o due
to the pre-treatments.
The fiberglass VTR TANK are used
for water that have re s i n s i n t e rchange ions. |
