Desalination and Water Treatment,
Journal Year:
2023,
Volume and Issue:
306, P. 220 - 235
Published: Sept. 1, 2023
This
work
aims
to
optimize
the
ozonation/adsorption
coupling
system
as
an
advanced
technique
for
removal
of
dye
crystal
violet
(CV)
in
presence
new
innovative
material
based
on
Capparis
spinosa
L
waste
(CSLW).Data
from
operational
parameters
such
adsorbent
dose
(X
1
),
CV
concentration
2
and
oxygen
flow
rate
3
)
were
used
(Y)
by
Box-Behnken
design
(BBD)
response
surface
methodology.Under
ideal
conditions
X
(2
g•L
-1
(100
mg•L
(4
L•min
Y
exceeded
99.75%.The
complete
results
selective
interactions
between
groups
CSLW
material,
ozone
,
various
charges
present
solution.The
mechanism
indicates
that
ozonation
partially
degrades
adsorption
process
significantly
increases
percentage
due
different
adsorbent-adsorbate
interactions.Due
low
power
consumption
oxygenator
ozonator
lack
cost,
treatment
could
cost
about
$1.8518
.Thus,
this
be
generalized
through
industrial
pilot-scale
application.
Environmental and Sustainability Indicators,
Journal Year:
2023,
Volume and Issue:
18, P. 100247 - 100247
Published: March 22, 2023
Surface
water
is
heavily
exposed
to
contamination
as
this
the
ubiquitous
source
for
most
of
needs.
This
situation
exaggerated
by
excessive
population,
heavy
industrialization,
rapid
urbanization,
and
improper
sanitation.
Comprehensive
measurement
knowledge
extraction
surface
quality
therefore
pivotal
ensuring
safe
hygienic
use.
Consequently,
profiling
has
received
remarkable
academic
attention
in
recent
decades
that
produces
an
ample
amount
research
results.
study,
therefore,
conducts
a
comprehensive
systematic
literature
review
summarize
structure
existing
identify
current
trends
hotspots.
Reported
results
suggest
terrain
fresh
includes
13
distinct
sources
are
predominantly
used
5
sectors.
These
sectors
often
cause
pollution
form
industrial
effluents,
agricultural
runoffs,
domestic
sewage.
For
quality,
around
23
Water
Quality
Index
(WQI)
models,
10
Pollution
(PI)
models
research.
use
several
parameters.
study
reports
exhaustive
taxonomy
69
prominent
parameters
three
categories
which
will
support
their
adoption
these
models.
Finally,
limitations
manual
approaches
summarized
propose
set
seven
requirements
tech-intensive
system
development.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
274, P. 116189 - 116189
Published: March 9, 2024
Throughout
the
literature,
word
"heavy
metal"
(HM)
has
been
utilized
to
describe
soil
contamination;
in
this
context,
we
characterize
it
as
those
elements
with
a
density
greater
than
5
g
per
cubic
centimeter.
Contamination
is
one
of
major
global
health
concerns,
especially
China.
China's
rapid
urbanization
over
past
decades
caused
widespread
urban
water,
air,
and
degradation.
This
study
provides
complete
assessment
contamination
by
heavy
metals
mining
smelting
regions.
The
(HMs)
includes
an
examination
their
potential
adverse
impacts,
origins,
strategies
for
remediation
contaminated
metals.
presence
can
be
linked
both
natural
anthropogenic
processes.
Studies
have
demonstrated
that
soils
present
risks
individuals.
Children
are
more
vulnerable
effects
metal
pollution
adults.
results
highlight
significance
operations
Soil
poses
significant
carcinogenic
non-carcinogenic,
particularly
children
individuals
living
heavily
polluted
areas.
Implementing
physical,
chemical,
biological
techniques
most
productive
approach
addressing
metal-contaminated
soil.
Among
these
methods,
phytoremediation
emerged
advantageous
option
due
its
cost-effectiveness
environmentally
favorable
characteristics.
Monitoring
utmost
importance
facilitate
implementation
improved
management
soils.
Arabian Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
17(6), P. 105777 - 105777
Published: April 5, 2024
Soil
contamination
by
lead,
zinc,
iron,
manganese,
and
copper
is
a
widespread
environmental
issue
associated
with
the
mining
industry.
Primary
sources
include
activities,
production
processing
operations,
waste
disposal
management
practices,
atmospheric
sediments.
degradation,
water
pollution
impacting
aquatic
ecosystems,
plant
absorption
leading
to
agricultural
product
contamination,
health
risks
exposure
copper,
along
effects
on
fauna
biodiversity,
constitute
primary
impacts
of
contamination.
In
this
study,
diverse
sampling
analysis
methods,
geographic
information
systems,
remote
sensing
techniques
are
investigated
for
monitoring
assessing
soil
these
metals.
modification
techniques,
phytoremediation,
other
strategies
reduction
considered
among
most
crucial,
alongside
protection
risk
strategies.
Finally,
article
explores
innovative
methods
solutions
mineral
remediation,
application
green
chemistry
sustainable
practices
in
industry,
utilization
artificial
intelligence
controlling
heavy
metal
ion
pollution.
Groundwater for Sustainable Development,
Journal Year:
2023,
Volume and Issue:
23, P. 101049 - 101049
Published: Nov. 1, 2023
Groundwater
plays
a
pivotal
role
as
global
source
of
drinking
water.
To
meet
sustainable
development
goals,
it
is
crucial
to
consistently
monitor
and
manage
groundwater
quality.
Despite
its
significance,
there
are
currently
no
specific
tools
available
for
assessing
trace/heavy
metal
contamination
in
groundwater.
Addressing
this
gap,
our
research
introduces
an
innovative
approach:
the
Quality
Index
(GWQI)
model,
developed
tested
Savar
sub-district
Bangladesh.
The
GWQI
model
integrates
ten
water
quality
indicators,
including
six
heavy
metals,
collected
from
38
sampling
sites
study
area.
enhance
precision
assessment,
employed
established
machine
learning
(ML)
techniques,
evaluating
model's
performance
based
on
factors
such
uncertainty,
sensitivity,
reliability.
A
major
advancement
incorporation
metals
into
framework
index
model.
best
authors
knowledge,
marks
first
initiative
develop
encompassing
heavy/trace
elements.
Findings
assessment
revealed
that
area
ranged
'good'
'fair,'
indicating
most
indicators
met
standard
limits
set
by
Bangladesh
government
World
Health
Organization.
In
predicting
scores,
artificial
neural
networks
(ANN)
outperformed
other
ML
models.
Performance
metrics,
root
mean
square
error
(RMSE),
(MSE),
absolute
(MAE)
training
(RMSE
=
0.361;
MSE
0.131;
MAE
0.262),
testing
0.001;
0.00;
0.001),
prediction
evaluation
statistics
(PBIAS
0.000),
demonstrated
superior
effectiveness
ANN.
Moreover,
exhibited
high
sensitivity
(R2
1.0)
low
uncertainty
(less
than
2%)
rating
These
results
affirm
reliability
novel
monitoring
management,
especially
regarding
metals.
Water Environment Research,
Journal Year:
2025,
Volume and Issue:
97(1)
Published: Jan. 1, 2025
Abstract
This
study
was
carried
out
to
determine
the
current
state
of
physicochemical
water
quality
parameters
and
effects
urbanization
over
50
years
in
peripheral
rivers
by
using
primary
secondary
data
adjacent
Dhaka
city.
These
waterways
had
DO
levels
much
below
recommended
standard
Bangladesh,
occasionally,
they
even
approached
0.
suggests
that
these
is
highly
polluted
unfit
for
aquatic
life.
For
most
part,
high
rates
pollution
also
contribute
BOD
readings.
Besides,
weighted
arithmetic
method
discovered
urban
have
deficient
quality,
which
requires
immediate
attention.
Compared
seasonal
variations,
worse
dry
season
compared
wet
season.
Among
all
rivers,
lowest
WQI
found
11.89
123.65
Moreover,
Heavy
Metal
Pollution
Index
(HPI)
calculation
done,
with
from
1
3797
indicating
heavy
metal
sets
are
unsuitable
drinking
household
uses.
The
built‐up
areas
grown
288%,
bodies
declined
60%
last
30
years.
shows
river
city
hinders
objectives
SDG
6
Goal:
Clean
Water
Sanitation.
Revitalizing
supply
attention
authorities.
Practitioner
Points
Rapid
has
made
one
least
habitable
cities,
industrial
growth
contributing
significantly
pollution.
far
than
Bangladesh's
standards,
sometimes
approaching
zero,
making
reveals
a
decline
especially
during
season,
indicates
extremely
low
standards.
Built‐up
increased
while
decreased
past
Water,
Journal Year:
2023,
Volume and Issue:
15(8), P. 1466 - 1466
Published: April 9, 2023
Jazan
province
on
Saudi
Arabia’s
southwesterly
Red
Sea
coast
is
facing
significant
challenges
in
water
management
related
to
its
arid
climate,
restricted
resources,
and
increasing
population.
A
total
of
180
groundwater
samples
were
collected
tested
for
important
hydro-chemical
parameters
used
determine
adaptability
irrigation.
The
principal
components
analysis
(PCA)
was
applied
evaluate
the
consistency/cluster
overlapping,
agglomeration
datasets,
identify
sources
variation
between
11
major
ion
concentrations
(pH,
K+,
Na+,
Mg2+,
Ca2+,
SO42−,
Cl−,
HCO3−,
NO3−,
TDS,
TH).
EC
values
ranged
from
excellent
unsuitable,
with
10%
being
good,
43%
permissible,
47%
improper
SAR
classification
determined
that
91.67%
good
irrigation,
indicating
they
are
suitable
irrigation
no
sodium-related
adverse
effects.
Magnesium
hazard
showed
1.67%
unsuitable
while
remaining
98.33%
suitable.
Chloro-alkaline
indices
signify
most
show
positive
ratios
exchange
dominant
aquifer.
Gibb’s
diagram
reflects
evaporation,
seawater
interaction,
water–rock
interaction
foremost
processes
impacting
quality,
besides
other
regional
environmental
variables.
strong
correlation
declared
TDS
SO42−
addition
TH
also
Cl−
Mg2+
connections,
coefficients
over
0.8
p
<
0.0001.
extracted
factor
observed
TH,
have
high
loading
Factor
1,
around
52%
variance.
This
confirms
roles
evaporation
as
mostly
affect
along
very
little
human
impact.
spatial
distribution
maps
various
quality
majority
falling
where
there
overcrowding
a
variety
anthropogenic
activities
possible
impact
intrusion.
results
hierarchical
cluster
agreed
correlations
mentioned
matrix.
As
result,
incorporating
physicochemical
variables
into
PCA
assess
practical
adaptable
approach
exceptional
abilities
new
perspectives.
According
study’s
findings,
different
techniques
beneficial
understanding
factors
control
can
assist
officials
effectively
controlling
enhancing
resources
study
area.
Water Environment Research,
Journal Year:
2024,
Volume and Issue:
96(2)
Published: Feb. 1, 2024
Abstract
The
widespread
application
of
antibiotics
in
human
and
veterinary
medicine
has
led
to
the
pervasive
presence
antibiotic
residues
environment,
posing
a
potential
hazard
public
health.
This
comprehensive
review
aims
scrutinize
fate
impact
residues,
with
particular
focus
on
context
developing
nations.
investigation
delves
into
diverse
pathways
facilitating
entry
environment
meticulously
examines
their
effects
delineates
current
state
evaluates
exposure
nations,
elucidates
existing
removal
methodologies.
Additionally,
it
probes
factors
contributing
endurance
ecotoxicity
correlating
these
aspects
usage
rates
associated
mortalities
study
also
investigates
techniques
for
assessing
efficiency
environmental
compartments.
concurrent
emergence
antibiotic‐resistant
bacteria,
engendered
by
adverse
ecological
threats
underscore
necessity
enhanced
regulations,
vigilant
surveillance
programs,
adoption
sustainable
alternatives.
underlines
pivotal
role
education
awareness
campaigns
promoting
responsible
use.
synthesis
concludes
strategic
recommendations,
strengthening
imperative
further
research
encompassing
monitoring,
ecotoxicological
effects,
alternative
strategies,
socio‐economic
considerations,
international
collaborations,
all
aimed
at
mitigating
detrimental
health
environment.
Practitioner
Points
Antibiotic
are
widely
distributed
different
Developing
countries
use
more
than
developed
countries.
Human
wastes
one
most
sources
pollution.
Antibiotics
interact
biological
systems
trigger
pharmacological
reactions
low
doses.
can
be
removed
using
modern
biological,
chemical,
physical–chemical
techniques.
Regional Studies in Marine Science,
Journal Year:
2024,
Volume and Issue:
70, P. 103378 - 103378
Published: Jan. 21, 2024
This
groundbreaking
study
conducted
a
meticulous
examination
of
heavy
metal
concentrations,
including
Pb,
Cd,
Cr,
Cu,
Co,
Ni,
Zn,
and
As,
in
water
samples
from
five
distinct
coastal
areas
Bangladesh.
Employing
advanced
techniques
such
as
flame
atomic
absorption
spectrometry
(FAAS)
hydride
generation
AAS,
the
researchers
provided
detailed
analysis
distribution
pollution
levels.
The
quantification
results
illuminated
Pb
with
highest
average
concentration,
followed
by
As
samples.
Halda
River
area
stood
out
an
alarming
load,
exceeding
safe
limits
staggering
58
times,
accompanied
elevated
levels
As.
Similarly,
Naf
River,
located
southernmost
part
Bangladesh
near
Saint
Martin,
exhibited
concentrations
Cd
Ni.
Thstudy
incorporated
spatial
maps,
revealing
consistent
pattern
concentration
river
inlets.
To
gauge
pollution,
utilized
indices
quality
index
(WQI),
(MQI),
(MPI).
Martin
emerged
most
polluted
area,
particularly
concerning
drinking
irrigation,
according
to
WQI.
MQI
pinpointed
Galachipa
(Kuakata)
highly
terms
water.
Further
using
combined
approach
involving
self-organizing
maps
(SOM),
positive
matrix
factorization
(PMF),
geographical
information
systems
(GIS)
identified
anthropogenic
activities
primary
sources
pollution.
PMF
revealed
percentage
contributions
industrial,
agricultural,
natural
for
each
metal.
In
essence,
this
serves
clarion
call
urgent
effective
management
strategies
Bangladesh's
regions.
findings
underscore
critical
need
mitigate
arising
predominantly
activities,
emphasizing
importance
safeguarding
human
health
delicate
balance
aquatic
ecosystems
region.
Journal of Hazardous Materials Advances,
Journal Year:
2024,
Volume and Issue:
14, P. 100436 - 100436
Published: May 1, 2024
Bangladesh
is
one
of
the
hubs
textile
industry
in
world;
consequently,
microfibers
are
an
emerging
threat
to
aquatic
ecosystem.
Traditional
effluent
treatment
plants
(ETPs)
might
not
be
capable
removing
most
pollutants
like
surfactants,
dyes,
and
additives,
including
microfibers,
may
a
major
source
microfiber
pollution
through
products
ETPs.
This
study
investigated
eleven
woven,
knit,
denim
industries'
ETP
abundance
removal
efficiency.
The
average
(range)
found
influent,
effluent,
sludge
samples
was
615.45
±
377.52
particles/L
(170−1,460),
212.72
80.14
(130−380),
10,545.45
7,989.54
particles/kg
(4,400−31,000),
respectively.
abundant
shape
fiber,
microfibres
had
sizes
between
0
100
μm.
Eight
distinct
colors
were
samples;
black
color
among
all
samples,
followed
by
brown
blue.
studied
ETPs
showed
23.52%
82.19%
rate,
which
satisfactory
for
minimizing
pollution.
Fourier
transform
infrared
(FTIR)
analysis
revealed
that
main
polymers
nylon,
ethylene-vinyl
acetate
(EVA),
polyethylene
terephthalate
(PETE),
acrylonitrile
butadiene
styrene
(ABS),
cellulose
(CA),
low-density
(LDPE
or
linear
LDPE),
high-density
(HDPE).
contamination
factor
(CF)
load
index
(PLI),
assess
ecological
risks,
moderately
very
highly
contaminated
could
pose
findings
would
help
identify
transformative
challenges
required
from
industrial
sectors
improving
systems.