Hydrocarbon
Contaminated
Waste
Discharge
- Petro-Chem.
Plant
Biological
Treatment
Summary
The
Situation
A major
petrochemical
company
had
a problem
with
their
wastewater
treatment
plant
discharges
due
to a
heavy
slop
oil
by-product.
This
was
due
to high
concentrations
of benzene
in the
slop
oil.
The
Solution
United-Tech
took
on the
project
to access
how
quickly
the
benzene
could
be degraded
down
to acceptable
discharge
levels
by using
OBT®.
This
treatment
was
done
prior
to entry
into
the
wastewater
treatment
plant.
The
Results
The
benzene
concentrations
at the
start
of treatment
were
1900
mg/L.
Two
weeks
into
the
test
program
samples
were
taken
and
analyzed.
The
benzenes
were
found
to be
at non-detected
levels
or completely
broken
down.
At the
end
of the
three-week
trial
all
BTEX
components
were
all
at non-detected
levels.
The
complete
test
results
are
listed
below.
|
|
Start
|
Two
Weeks
|
Three
Weeks
|
|
|
Benzene
|
1900
mg/L
|
ND
|
ND
|
|
Toulene
|
1170
mg/L
|
ND
|
ND
|
|
Ethylbenzene
|
ND
|
ND
|
ND
|
|
Xylene
|
2330
mg/L
|
461
mg/L
|
ND
|
ND=
none
detected
|
