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Leader
Evaporator
Springtech
EXTREME
6
Reverse
Osmosis
System
Manual
Page:
4
INTRODUCTION
A
Leader
Evaporator
Springtech
EXTREME
Reverse
Osmosis
system
is
designed
to
significantly
improve
the
producer’s
productivity
by
generating
high
sugar
percentage
sap.
Through
use
of
high
pressure,
the
system
removes
water
from
the
sap
resulting
in
a
more
concentrated
sugar
solution
entering
the
evaporator.
This
in
turn
shortens
the
boil
time
required
resulting
in
fuel
and
time
savings.
Some
of
the
features
of
the
Springtech
EXTREME
6
are:
Easy
accessibility
to
pumps
and
membranes
Stainless
steel
frame,
membrane
housings,
pumps
and
pump
housings
Fast
wash
cycle
With
reasonable
sap
–
the
ability
to
generate
high
brix
concentrate
with
a
single
pass
Flow
meters
for
the
permeate
of
each
vessel
and
one
for
the
system
concentrate
THEORY
OF
OPERATION
In
reverse
osmosis,
through
the
use
of
special
semi
‐
permeable
membranes
and
high
pressure,
water
is
forced,
in
a
pure
form,
through
the
membrane
while
the
concentrated
solution
remains
outside
the
membrane
and
is
concentrated.
For
the
sugar
maker
this
means
water
(permeate)
is
removed
from
the
sap
and
a
sap
with
a
higher
sugar
level
(concentrate)
is
produced
for
the
evaporation
process.
Terms
Semi
‐
permeable
Membrane
–
Unit
consisting
of
multi
layers
of
spacers
and
membranes
Pre
‐
Filter
Unit
–
Designed
to
remove
suspended
solids
from
the
sap
incoming
to
the
reverse
osmosis
system
Feed
Pump
–
The
initial
pump
designed
to
supply
the
reverse
osmosis
unit
with
sap
and
maintain
pressure
in
the
system
Pressure
Pump
–
The
pump
designed
to
provide
the
pressure
needed
to
force
the
sap
through
the
reverse
osmosis
membrane
Pressure
Vessel
–
The
containment
unit
for
the
semi
‐
permeable
membrane
Permeate
–
Purified
water
removed
from
the
maple
sap
during
the
concentrate
cycle
Concentrate
–
the
maple
sap
having
a
higher
percentage
of
sugar
because
water
(permeate)
has
been
removed
Permeate
Holding
Tank
–
A
tank
designed
to
hold
a
minimum
twice
the
hourly
output
of
the
system
Concentrate
Cycle
–
Process
during
which
water
is
removed
from
maple
sap
resulting
in
Concentrate
and
Permeate
Reverse
Flow
Concentrate
Cycle
–
Concentrate
cycle
in
which
the
flow
through
the
system
is
reversed
allowing
more
even
use
of
the
membranes
De
‐
Sugaring
Cycle
‐
Process
to
reclaim
sugars
from
the
membrane
during
which
Permeate
is
run
through
the
reverse
osmosis
unit
using
Concentrate
cycle
valve
settings
Rinse
Cycle
–
Cleaning
process
of
passing
stored
Permeate
through
the
Reverse
Osmosis
system
and
out
to
drain
Chemical
Wash
Cycle
–
Process
of
chemical
washing
the
membranes
by
recirculating
a
solution
through
the
reverse
osmosis
system.
Dependent
on
requirement,
chemical
maybe
be
alkali
or
acid.
Permeability
Test
–
Test
to
determine
the
performance
of
the
membranes
against
a
benchmark
Sap
Recirculation
Loop
–
Process
of
recirculating
output
from
the
concentrate
cycle
to
the
raw
sap
tank,
increasing
the
concentration
of
the
sap
in
the
tank
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