Materials,
Год журнала:
2024,
Номер
17(6), С. 1306 - 1306
Опубликована: Март 12, 2024
Adsorptive,
catalytic,
and
antibacterial
properties
of
clinoptilolite-rich
tuffs
(ZT)
are
presented
here.
ZT
transformed
into
Fe-containing
(Fe-ZT)
removes
various
organic
inorganic
anions
from
water.
Fe-ZT,
which
contains
selenium,
is
beneficial
for
growing
Pleurotus
ostreatus
mushrooms.
The
fungi
convert
Se
Fe-ZT
a
more
useful
organically
bonded
form.
as
supplements
retain
nitrogen
potassium
in
sandy,
silty
loam
clay
soils.
shows
an
affinity
toward
toxic
metal
cations,
essential
cleaning
contaminated
adsorption
atenolol,
acetylsalicylic,
salicylic
acid
onto
M-ZT
(M-Cu2+,
Mn2+,
Ni2+,
or
Zn2+)
water
solutions
suggests
that
both
the
natures
M
pharmaceuticals
have
significant
impact
on
mechanism
determine
capability
ZT.
excellent
carrier
ultrafine
(2-5
nm)
nano
oxide
particles,
been
shown
to
catalytic
activity
different
chemical
processes
photodegradation
reactions
pollutants.
can
also
be
SO4-SnO2-ZT,
catalytically
active
solid
acid.
effective
valuable
bacteria.
Ag-ZT
possesses
bactericidal
disinfecting
soil
remediation.
Water,
Год журнала:
2024,
Номер
16(17), С. 2525 - 2525
Опубликована: Сен. 5, 2024
Marine
eutrophication,
primarily
driven
by
nutrient
over
input
from
agricultural
runoff,
wastewater
discharge,
and
atmospheric
deposition,
leads
to
harmful
algal
blooms
(HABs)
that
pose
a
severe
threat
marine
ecosystems.
This
review
explores
the
causes,
monitoring
methods,
control
strategies
for
eutrophication
in
environments.
Monitoring
techniques
include
remote
sensing,
automated
situ
sensors,
modeling,
forecasting,
metagenomics.
Remote
sensing
provides
large-scale
temporal
spatial
data,
while
sensors
offer
real-time,
high-resolution
monitoring.
Modeling
forecasting
use
historical
data
environmental
variables
predict
blooms,
metagenomics
insights
into
microbial
community
dynamics.
Control
treatments
encompass
physical,
chemical,
biological
treatments,
as
well
advanced
technologies
like
nanotechnology,
electrocoagulation,
ultrasonic
treatment.
Physical
such
aeration
mixing,
are
effective
but
costly
energy-intensive.
Chemical
including
phosphorus
precipitation,
quickly
reduce
levels
may
have
ecological
side
effects.
Biological
biomanipulation
bioaugmentation,
sustainable
require
careful
management
of
interactions.
Advanced
innovative
solutions
with
varying
costs
sustainability
profiles.
Comparing
these
methods
highlights
trade-offs
between
efficacy,
cost,
impact,
emphasizing
need
integrated
approaches
tailored
specific
conditions.
underscores
importance
combining
mitigate
adverse
effects
on
Water,
Год журнала:
2025,
Номер
17(2), С. 238 - 238
Опубликована: Янв. 16, 2025
Lakes
are
vital
freshwater
ecosystems
that
sustain
biodiversity,
support
livelihoods,
and
drive
socio-economic
growth
globally.
However,
they
face
escalating
threats
from
anthropogenic
activities,
including
urbanization,
agricultural
runoff,
pollution,
which
exacerbated
by
climate
change.
Phewa
Lake
in
Nepal
was
selected
for
this
study
due
to
its
increasing
rates
of
nutrient
enrichment,
sedimentation,
pollution.
This
evaluated
seasonal
spatial
water
quality
variations
within
the
lake
analyzing
samples
30
sites
during
pre-monsoon
post-monsoon
seasons.
Twenty
physicochemical
parameters,
potential
hydrogen
(pH),
dissolved
oxygen
(DO),
electrical
conductivity
(EC),
major
ions,
e.g.,
calcium
(Ca2+),
magnesium
(Mg2+),
sodium
(Na+),
potassium
(K+),
bicarbonate
(HCO3−),
chloride
(Cl−),
sulfate
(SO42−),
nitrate
(NO3−),
phosphate
(PO43−),
ammonium
(NH4+),
were
measured.
The
average
pH
ranged
8.06
(pre-monsoon)
8.24
(post-monsoon),
reflecting
dilution
monsoon
rains
increased
carbonate
runoff.
Furthermore,
DO
levels
averaged
7.46
mg/L
8.62
with
higher
values
observed
rainfall-driven
oxygenation.
Nutrient
concentrations
shown
be
elevated,
concentration
reaching
2.31
period,
peaking
at
0.15
particularly
near
runoff
zones.
dominant
cations
lake’s
hydrochemistry
Ca2+
Mg2+,
while
HCO3−
primary
anion,
influence
weathering.
Cluster
analysis
identified
outlet
as
a
high-pollution
zone,
total
solids
(TDS)
108–135
mg/L.
Additionally,
Principal
component
revealed
sewage
effluents
main
pollution
sources.
Seasonal
dynamics
highlighted
monsoon-induced
peaks.
These
findings
underscore
need
targeted
control
eutrophication
management.
By
aligning
sustainable
development
goals
(SDGs)
relevant
clean
action,
research
provides
replicable
framework
management
is
applicable
worldwide.
Materials,
Год журнала:
2024,
Номер
17(5), С. 1155 - 1155
Опубликована: Март 1, 2024
This
article
explores
recent
advancements
and
innovative
strategies
in
biosorption
technology,
with
a
particular
focus
on
the
removal
of
heavy
metals,
such
as
Cu(II),
Pb(II),
Cr(III),
Cr(VI),
Zn(II),
Ni(II),
metalloid,
As(V),
from
various
sources.
Detailed
information
biosorbents,
including
their
composition,
structure,
performance
metrics
metal
sorption,
is
presented.
Specific
attention
given
to
numerical
values
adsorption
capacities
for
each
metal,
showcasing
efficacy
biosorbents
removing
Cu
(up
96.4%),
Pb
95%),
Cr
99.9%),
Zn
99%),
Ni
93.8%),
As
92.9%)
wastewater
industrial
effluents.
In
addition,
issue
biosorbent
deactivation
failure
over
time
highlighted
it
crucial
successful
implementation
practical
applications.
Such
phenomena
blockage
by
other
cations
or
chemical
decomposition
are
reported,
chemical,
thermal,
microwave
treatments
indicated
effective
regeneration
techniques.
Ongoing
research
should
development
more
resilient
materials,
optimizing
techniques,
exploring
approaches
improve
long-term
sustainability
technologies.
The
analysis
showed
that
emerges
promising
strategy
alleviating
pollutants
effluents,
offering
sustainable
environmentally
friendly
approach
addressing
water
pollution
challenges.
Molecules,
Год журнала:
2024,
Номер
29(5), С. 1005 - 1005
Опубликована: Фев. 26, 2024
Nitrogen
and
phosphorus
play
essential
roles
in
ecosystems
organisms.
However,
with
the
development
of
industry
agriculture
recent
years,
excessive
N
P
have
flowed
into
water
bodies,
leading
to
eutrophication,
algal
proliferation,
red
tides,
which
are
harmful
aquatic
Biochar
has
a
high
specific
surface
area,
abundant
functional
groups,
porous
structure,
can
effectively
adsorb
nitrogen
water,
thus
reducing
environmental
pollution,
achieving
reusability
elements.
This
article
provides
an
overview
preparation
biochar,
modification
methods
advancements
adsorption
by
factors
influencing
as
well
mechanisms.
Furthermore,
difficulties
encountered
future
research
directions
regarding
biochar
were
proposed,
providing
references
for
application
adsorption.
