Case Studies in Chemical and Environmental Engineering,
Journal Year:
2024,
Volume and Issue:
10, P. 100856 - 100856
Published: July 22, 2024
Anthropogenic
pressures
on
the
environment
are
increasingly
evident,
characterized
by
uncontrolled
changes
in
land
use
that
adversely
affect
water
quality.
This
study
aims
to
assess
how
and
cover
contribute
quality
evaluate
influence
of
spatial
landscape
metrics
variability
eight
tributary
sub-basins
Paraopeba
River.
The
analysis
considers
two
seasonal
periods
reflective
region's
tropical
climate.
dataset
includes
data
cover,
digital
elevation
models,
soil
types,
geology,
geomorphology,
spatial-temporal
data,
fragmentation
metrics.
First,
differences
collected
at
each
sampling
site
were
tested,
significance
variations
was
assessed.
Correlation
analyses
then
conducted
determine
relationships
between
parameters
across
sub-basins,
considering
both
periods.
Key
findings
include
identification
mixed
pollution
sources,
such
as
pasture,
urban
areas,
mining,
which
significantly
quality,
particularly
during
rainy
period.
Conversely,
forest
plantations
found
be
category
most
positively
contributed
preservation
patterns
analyzed
using
redundancy
analysis,
revealed
variation
more
pronounced
dry
period,
explaining
75
%
variation,
compared
49
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: April 30, 2024
River
Danro
in
Garhwa
(India)
plays
a
vital
role
as
significant
source
of
surface
water
and
crucial
tributary
the
North
Koel
River,
ultimately
joining
Ganga
Basin.
Serving
both
urban-industrial
rural
areas,
region
faces
challenges,
including
sand
mining
near
Belchampa
Ghat.
This
study
aimed
to
assess
physicochemical
heavy
metals
pollution
at
nine
sampling
locations,
utilizing
Overall
Index
Pollution
(OIP),
Nemerow
(NPI),
Heavy
Metal
(HPI).
OIP
values
indicated
excellent
quality
(0.71)
non-monsoon
slight
(6.28)
monsoon.
NPI
ranged
from
0.10
1.74
0.22
(clean)
27.15
(heavily
polluted)
HPI
results
suggested
groundwater
contamination,
particularly
by
lead.
Principal
component
analysis
(PCA)
geospatial
mapping
showed
similar
outcomes,
highlighting
influence
adjacent
land
use
on
quality.
Recognizing
significance
sustaining
life,
livelihoods,
economic
growth,
recommends
implementing
measures
like
floating
bed
remediation
regulatory
actions
for
effective
river
management.
The
acknowledges
weaknesses
current
practical
assessment
methods
contamination.
These
make
it
difficult
put
plans
cleaning
up
controlling
contamination
into
action.
Because
this,
future
research
developing
new
in-place
techniques
should
focus
creating
better
ways
measure
how
cleanup
is.
Geothermal
reservoir
engineering
is
pivotal
to
sustainable
energy,
focusing
on
optimizing
heat
extraction
for
enhanced
geothermal
production.
This
discipline
integrates
geological
and
geophysical
studies
characterize
reservoirs,
considering
permeability,
porosity,
temperature
distribution.
Enhanced
Systems
(EGS)
improve
subsurface
permeability
exchange
through
hydraulic,
thermal,
chemical
stimulation.
Advanced
numerical
modeling
predicts
behavior,
fluid
flow,
transfer,
sustainability
under
diverse
conditions.
Cutting-edge
techniques
such
as
directional
drilling
downhole
sensors
minimize
environmental
impact
while
providing
real-time
data
effective
management.
Reservoir
optimization
combines
characterization,
modeling,
innovative
technologies.
Insights
from
global
projects
demonstrate
how
optimized
strategies
boost
energy
output
sustainability.
These
advancements
highlight
engineering's
role
in
meeting
demands
with
minimal
impact,
ensuring
a
cleaner,
greener
future.
Measurement,
Journal Year:
2024,
Volume and Issue:
236, P. 115171 - 115171
Published: June 22, 2024
This
paper
presents
a
simple
and
low-cost
one-step
synthesis
method
of
cobalt
molybdates.
Several
structural,
optical
catalytic
characterization
techniques
are
used
in
synergy
to
highlight
the
properties
synthesized
material.
EDX,
FTIR,
X-ray
diffraction
analysis
confirmed
formation
pure
β-CoMoO4
phase.
The
obtained
particles
polydisperse
with
quasi-agglomerated
nanowires
shape
diameters
estimated
range
(115
±
22)
nm
by
atomic
force
microscopy
(AFM).
In
addition,
band
gap
energy,
Eg
=
2.81
eV,
shows
that
can
absorb
near-UV
visible
therefore
act
as
photocatalyst.
A
photocatalytic
activity
against
methylene
blue
(MB)
degradation
up
52
%
was
observed
under
light
irradiation.
As
result,
pseudo-first-order
kinetic
rate
constant
MB
photodegradation,
presence
nanowires,
be
0.013
min−1.
photodegradation
efficiency
material
could
mainly
related
positions
conduction
(ECB
0.23
eV)
valence
(EVB
3.04
potential
energies,
which
favorable
generation
reactive
oxygen
species
(ROS).
Moreover,
sample
recovered
from
solution
centrifugation
reused
three
times
without
significant
loss
activity.
We
experimentally
prove
show
strong
stability
for
consecutive
cycles.
