Global NEST Journal,
Год журнала:
2024,
Номер
unknown, С. 1 - 13
Опубликована: Апрель 25, 2024
<p>Purpose:
This
study
investigates
the
efficacy
of
electrochemical
remediation
techniques
in
treating
hospital
wastewater,
focusing
on
parameters
including
turbidity,
color,
BOD,
COD,
DO,
coliform,
and
E.
coli.
Design/Methodology/Approach:
The
conducts
a
comprehensive
analysis
various
pollutant
parameters,
evaluating
impact
contact
time
reduction.
Electrochemical
methods
are
explored
for
their
potential
mitigating
these
parameters.
Conclusions:
findings
demonstrate
effectiveness
reducing
range
with
significant
reductions
observed
turbidity
(up
to
99%),
color
(51%),
BOD
(99%),
COD
(60%),
microbial
contaminants
such
as
coli
coliform
48%).
Notably,
reveals
that
higher
voltage
doesn't
consistently
result
superior
performance.
Limitations/Consequences
Research:
While
showcases
promising
results,
certain
limitations
challenges
acknowledged,
need
further
research
address
constraints
optimize
processes.
Practical
Value:
highlights
practical
an
effective
means
wastewater
treatment
settings,
offering
insights
into
application
benefits
environmental
sustainability.
Originality
Significance
Results:
contributes
novel
treatment,
emphasizing
providing
foundation
future
directions
this
field.</p>
Photochemistry and Photobiology,
Год журнала:
2024,
Номер
100(4), С. 830 - 896
Опубликована: Май 16, 2024
Rapid
industrial
advancement
over
the
last
few
decades
has
led
to
an
alarming
increase
in
pollution
levels
ecosystem.
Among
primary
pollutants,
harmful
organic
dyes
and
pharmaceutical
drugs
are
directly
released
by
industries
into
water
bodies
which
serves
as
a
major
cause
of
environmental
deterioration.
This
warns
severe
need
find
some
sustainable
strategies
overcome
these
increasing
eliminate
pollutants
before
being
exposed
environment.
Photocatalysis
is
well-established
strategy
field
pollutant
degradation
various
metal
oxides
have
been
proven
exhibit
excellent
physicochemical
properties
makes
them
potential
candidate
for
remediation.
Further,
with
aim
rapid
industrialization
photocatalytic
technology,
constant
efforts
made
activity
oxides.
One
such
introduction
defects
lattice
parent
catalyst
through
doping
or
vacancy
plays
role
enhancing
catalytic
achieving
rates.
review
provides
comprehensive
analysis
their
altering
material.
Various
defect-rich
like
binary
oxides,
perovskite
spinel
summarized
application
degradation.
Finally,
summary
existing
research,
followed
challenges
along
countermeasures
provided
pave
path
future
studies
this
promising
field.
Heliyon,
Год журнала:
2023,
Номер
9(4), С. e14840 - e14840
Опубликована: Март 25, 2023
The
high
nutrient
concentration
in
domestic
wastewater
effluent
can
endanger
the
aquatic
life
via
eutrophication.
Thus,
research
have
been
carried
out
to
prevent
harm
life.
In
regard
biofilm
reactors
successful
by
far
with
few
limitations.
Bio-carrier
fabrication
of
desired
shape
is
one
Recently,
invention
additive
manufacturing
(AM)
object
made
it
feasible
fabricate
shape.
this
study
manufactured
bio‒carrier
(AMB)
was
printed
using
AM
technique,
surface
area
volume
ratio
as
well
density
higher
than
water.
submerged
attach
growth
sequencing
batch
reactor
(SAGSBBR)
for
organic
and
removal
from
(DWW)
conducted
determine
optimum
filling
(FR)
cycle
time
(CT)
response
methodology
(RSM)
CT
ranging
between
12
h
24
FR
0
20%.
maximum
chemical
oxygen
demand
(COD),
ammonia-nitrogen
(NH4+‒N),
total
phosphorus
(TP)
96.8
mg/L,
93.32
88.89
mg/L
respectively,
which
achieved
attached
sequential
10%
(SAGSBBR‒10).
optimization
determined
optimal
solution
be
17.07
12.38%
desirability
0.987.
predicted
mean
responses
were
96.64%,
94.40%
89.94%
COD
removal,
NH4+‒N
TP
respectively.
rate
biomass
attachment
at
first
stage
SAGSBBR‒10
SAGSBBR‒20
about
11.39
mg/carrier.d
8.64
mg/carrier.d,
whereas
highest
accumulation
98.27
mg/carrier
80.15
assist
us
achieve
sustainable
development
goal
(SDG)
6.
Water,
Год журнала:
2025,
Номер
17(2), С. 163 - 163
Опубликована: Янв. 9, 2025
The
rapid
development
of
the
residential
and
industrial
sectors
produces
a
huge
amount
treated
domestic
wastewater.
wastewater
is
discharged
could
affect
environment
in
long
term.
Improving
quality
for
water
reclamation
would
benefit
both
sectors.
This
study
aims
to
determine
efficiency
biofilm-phytoremediation
integration
process
reclaiming
A
cuboid-shaped
reactor
was
filled
with
15
L
wastewater,
utilizing
hyacinth
polyethylene
carrier
as
supporting
media
process.
integrated
tested
two
phases:
initial
adaptation
bacteria
synthetic
(Phase
I)
biofilm-phytoremediation,
based
on
factors
NH3-N
concentration
hydraulic
retention
time
(HRT),
24
48
h
II).
In
Phase
II,
pollutant
removal
observed
at
varying
concentrations:
C1
(11–13
mg/L),
C2
(9–11
C3
(3–5
mg/L).
study’s
findings
indicate
consistent
performance
first
phase,
rates
COD
ranging
between
86.7–100.0%
79.0–99.6%,
respectively.
effectively
removed
pollutants
concentrations
NH3-N,
average
up
100%
(COD),
99%
(NH3-N),
80%
(PO43−).
shows
finest
outcomes
non-potable
recovery,
well
offers
an
alternative
resolve
scarcity
use
various
Scientific African,
Год журнала:
2023,
Номер
20, С. e01630 - e01630
Опубликована: Март 12, 2023
We
conducted
this
study
to
assess
the
efficiency
of
combination
three
floating
macrophytes
(Eichhornia
crassipes
(water
hyacinth),
Pistia
stratiotes
L.
lettuce),
and
Lemna
minor
(duckweed))
for
treatment
domestic
wastewater.
The
experiments
were
performed
on
a
pilot
scale
consisting
four
basins
aligned
in
series:
one
anaerobic
pond,
two
facultative
ponds
(containing
water
hyacinth
lettuce
respectively),
maturation
pond
duckweed).
showed
that
combining
different
studied
led
significantly
reduced
pollution
Based
inlet
loads,
better
eliminate
carbon
pollution.
was
good
at
removing
nitrogen
pollution,
duckweed
better-eliminated
phosphorus.
overall
yield
TSS,
COD,
BOD5,
TKN,
PO43−
92%,
98%,
87%,
80%
respectively.
results,
wastewater
plant
could
improve
its
performance.
