Reduction
of Fishmeals,
Oils,
Greases
and
Proteins
Manufacturer
of Pelleted
Fish
Feed
Extrusion
Plant
Biological
Treatment
Summary
The
Situation
A major
manufacturer
of fish
feed
for
the
aquaculture
industry
faced
numerous
problems
within
one
of their
extrusion
plants.
- Large
volumes
of
organic
waste
and
spill
over
from
the
processed
fish
feeds
were
being
washed
down
the
plants'
drain
line
each
night
after
the
daily
cleaning
regiment.
Organic
solids
and
other
waste
were
accumulating
in
and
throughout
the
waste
stream
resulting
in
an
overall
reduction
in
the
flow
of
the
waste
stream.
- Fishmeals,
oils,
greases
and
proteins
were
clogging
the
drain
lines
and
accumulating
in
the
septic
tanks
and
in
the
basket
screen.
- The
septic
tanks
and
basket
screen
required
regular
labor
intensive
clean
outs.
The
septic
tanks
also
required
expensive
pump
and
haul
off
costs
every
three
months.
- The
company
wanted
an
all-natural
treatment
alternative
that
would
be
cost
effective
and
allow
them
to
manage,
stabilize,
and
reduce
the
organic
build
up
in
their
waste
stream
as
well
as
being
non-labor
intensive
for
applications.
The
Solution
United-Tech
technical
personnel
proposed
a biological
treatment
program
that
consisted
of the
addition
of BZT®
Waste
Digester
throughout
the
drain
and
septic
system
in the
plant.
United-Tech
proposed
that
an initial
seed
application
be performed
followed
by regular
weekly
maintenance
applications.
The
treatment
program
was
designed
to reduce
the
overall
volume
of organic
solids,
fishmeals,
oils
and
greases
in the
waste
stream,
and
improve
the
flow
rate
in the
system.
Prior
to the
initial
seed
application,
the
company
pumped
out
and
cleaned
the
entire
basket
screen
and
septic
system
under
United-Tech's
general
guidelines
and
suggestions
for
a successful
biological
treatment
program
utilizing
BZT®
Waste
Digester.
The
Result
The
BZT®
Waste
Digester
provided
a safe
and
easy
method
for
maintenance
applications.
Maintenance
applications
in the
plant
were
conducted
each
night
at the
end
of the
final
cleaning
process.
Applications
only
required
pouring
the
mix
directly
into
the
plants'
main
drain
line,
which
in turn,
treated
the
whole
system
and
allowed
for
non-labor
intensive
applications.
The
lateral
line
and
drain
field
improved
within
one
week
after
initial
application
and
alleviated
the
need
and
cost
to dig
out
the
entire
drain
field
and
manually
clean
and
replace
the
piping
assemblies.
This
achievement
alone
saved
the
company
thousands
of dollars
for
the
cost
to revamp
the
drain
field.
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