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Principles
of Operation
The Feedwater must normally be pretreated
to ensure optimum membrane performance and
reduce maintenance requirements.
The Feedwater enters the first stage where
a portion of the water is purified
(permeate). The remaining
(concentrate) becomes the second stage
feed and so on . [EBD Water design
is optimized at 2 to 3 stages].
The concentrate from the last stage
is directed to drain. The permeate
streams from all stages are collected in
one manifold for a total system recovery
of 50 - 85% (depending on
Feedwater quality and system capacity).
The total system salt rejection varies,
depending on such items as the type and
age of elements, the system recovery, and
other factors. Typically, rejection
of 80 - 99% of the TDS and 90 - 99% of the
suspended material (organics and
microcontaminants) can be realized by
Brackish Water Systems.
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EBD Water ’s package Reverse
Osmosis Systems are cost effectively
designed for the purification of
brackish waters.
