Journal of Environmental Management,
Journal Year:
2024,
Volume and Issue:
371, P. 123005 - 123005
Published: Oct. 31, 2024
Currently,
there
is
a
growing
concern
about
water
scarcity.
The
rising
demand
for
wastewater
treatment
systems
that
facilitate
the
reuse
of
has
resulted
in
focus
on
use
microalgae
sustainable
treatments.
These
methods
not
only
eliminate
nutrients
from
but
also
produce
biomass
can
be
used
to
obtain
high-value
products.
This
study
aimed
observe
effect
different
hydraulic
retention
times
(HRTs)
and
treated
urban
(TUWW)
percentages
growth
nutrient
consumption
membrane
photobioreactors.
Microalgae
increases
with
HRT
regardless
percentage
TUWW.
Biomass
concentration
stabilises
at
between
40%
60%
TUWW
significantly
when
100%
used,
resulting
highest
concentrations.
As
increases,
ammonium
total
nitrogen
rise.
A
positive
trend
was
observed
increasing
TUWW,
reaching
its
peak
optimal
conditions
removal
are
achieved
7-day
as
influent,
which
confirmed
response
surface
methodology.
Horticulturae,
Journal Year:
2023,
Volume and Issue:
9(3), P. 308 - 308
Published: Feb. 24, 2023
The
potential
use
of
carbon
dioxide
(CO2)
and
wastewater
released
from
a
mushroom
farm
for
the
cultivation
Chlorella
vulgaris
microalga
was
investigated
in
this
study.
For
purpose,
microcontroller-based
aided
CO2
capture
mixing
prototype
constructed
C.
under
varying
concentrations
(0
as
control,
50
100%).
results
showed
that
helpful
to
maintain
desirable
levels
(6000
ppm)
chamber
with
constant
supply
algal
culture,
i.e.,
0.6%
at
an
airflow
rate
mL/min.
After
16
days
cultivation,
it
observed
maximum
significant
(p
<
0.05)
biomass
production
2.550
±
0.073
mg/L
recorded
50%
concentration
followed
by
100%
control.
Also,
removal
selected
pollutants,
such
total
dissolved
solids
(84.00
1.37%),
biochemical
oxygen
demand
(90.17
2.42%),
chemical
(91.53
0.97%),
nitrogen
(86.27
1.60%)
phosphorus
(94.19
2.33%),
achieved
treatment
first-order
(k)
values.
In
addition,
growth
kinetics
logistic
model
fit
best
compared
modified
Gompertz
model,
based
on
validation
tools,
experimental
vs.
predicted
values,
coefficient
determination
(R2
>
0.9938),
efficiency
(ME
0.98)
root
mean
square
error
(RMSE
0.03).
post-harvest
characterization
revealed
proximate,
biochemical,
ultimate
elements
(carbon,
nitrogen)
structural
properties
were
significantly
higher
than
those
control
treatments.
Therefore,
findings
study
are
novel
provide
insight
into
synergistic
produced
farms
biological
treatment.
