Water Practice & Technology,
Journal Year:
2024,
Volume and Issue:
19(3), P. 937 - 959
Published: Feb. 13, 2024
Abstract
The
occurrence
of
persistent
organic
pollutants
(POPs)
in
almost
every
sphere
life
and
their
notorious
effects
have
been
a
global
concern
for
quite
few
decades,
regardless
the
fact
that
notable
conventions
banned
standard
POPs.
Control
measures
numerous
technologies
are
being
researched,
but
still
exhibits
challenges
to
completely
curb
these
chemicals’
destructive
effects.
negative
impacts
POPs
terms
environmental
human
health
growing
concern.
In
recent
years,
studies
proven
list
keeps
increasing,
concentrations
levels
widely
varied
region
wise.
current
review
presents
sources
classification
Furthermore,
deleterious
consequences
due
on
environment
illustrated.
A
potential
methodologies
can
be
implemented
control
hazardous
discussed.
Water Cycle,
Journal Year:
2023,
Volume and Issue:
4, P. 26 - 36
Published: Jan. 1, 2023
The
continued
increase
in
urbanisation
and
industrialisation
across
the
world
has
dramatically
increased
amount
variety
of
waste,
and,
particular,
wastewater,
being
generated.
Wastewaters
contain
a
large
both
organic
inorganic
contaminants.
Various
wastewater
treatment
technologies
have
been
developed
over
last
few
decades
to
address
increasing
concern
around
effective
contaminant
removal
from
wastewater.
Electrocoagulation
(EC)
is
one
such
technology
that
broad-based,
highly
reliable,
cost-effective.
It
also
high
pollutant
efficiency
generates
less
sludge
when
compared
with
other
techniques.
However,
despite
effectively
used
treat
wide
range
thorough
examination
its
under
various
process
variables
not
critically
examined.
operating
factors,
as
pH,
current
density,
conductivity
solution,
electrode
material,
mixing
conditions,
impact
electrocoagulation
system.
This
paper
aims
provide
comprehensive
overview
technique
examine
challenges
due
conditions.
Some
recent
advances
EC
present
opportunities
improve
scope
newer
varieties
are
addressed.
Heliyon,
Journal Year:
2022,
Volume and Issue:
8(5), P. e09383 - e09383
Published: May 1, 2022
Electrocoagulation
(EC)
is
a
process
used
by
supply
of
electric
current
with
sacrificial
electrodes
for
the
removal
pollutant
from
wastewater.
The
study
was
experimentally
investigated
taking
into
account
various
factors
such
as
pH
(3-7.5),
(0.03-0.09
A),
distance
between
(1-2
cm),
electrolytic
concentration
(1-3
g/L),
and
electrolysis
time
(20-60
min)
which
impact
on
%
efficiency
color,
chemical
oxygen
demand
(COD),
turbidity
determination
energy
consumption
aluminum
(Al)
electrode
used.
surface
response
design
based
central
composite
(CCD)
has
been
to
optimize
different
operational
parameters
treatment
hospital
wastewater
using
EC
process.
COD
removal,
under
conditions
were
predicted
aid
quadratic
model,
significance
their
interaction
independent
variables
assessed
analysis
variance
(ANOVA).
optimal
obtained
through
mathematical
statistical
methods
reach
maximum
COD,
minimum
consumption.
results
showed
that
color
(92.30%),
(95.28%),
(83.33%)
achieved
at
pH-7.5,
current-0.09A,
concentration-3g/L,
electrodes-2
cm
reaction
60
min.
This
means
that,
can
remove
pollutants
types
wastewaters
industrial
effluent
operating
parameters.
Environmental Chemistry Letters,
Journal Year:
2023,
Volume and Issue:
22(1), P. 373 - 418
Published: Aug. 25, 2023
Abstract
The
presence
of
pharmaceuticals
in
ecosystems
is
a
major
health
issue,
calling
for
advanced
methods
to
clean
wastewater
before
effluents
reach
rivers.
Here,
we
review
adsorption
remove
ibuprofen,
with
focus
on
ibuprofen
occurrence
and
toxicity,
adsorbents,
kinetics,
isotherms.
Adsorbents
include
carbon-
silica-based
materials,
metal–organic
frameworks,
clays,
polymers,
bioadsorbents.
Carbon-based
adsorbents
allow
the
highest
from
10.8
408
mg/g
activated
carbon
2.5–1033
biochar.
Metal–organic
frameworks
appear
promising
due
their
high
surface
areas
tunable
properties
morphology.
95%
published
reports
reveal
that
kinetics
follow
pseudo-second-order
model,
indicating
predominantly
governed
by
chemical
adsorption.
70%
disclose
Langmuir
model
describes
isotherm,
suggesting
involves
monolayer