As
a
new
type
of
environmentally
friendly
adsorbent,
biochar
has
been
increasingly
applied
in
water
pollution
treatment.
Herein,
catalyzed
and
activated
adsorbent
(CABC)
which
was
derived
from
hazelnut
shell
modified
by
FeCl3
ZnCl2
synthesized
successfully.
The
prepared
used
to
remove
two
typical
Pharmaceutical
Personal
Products
(PPCPs):
sulfamethoxazole
(SMX)
diclofenac
(DCF)
wastewater.
CABC
obtained
high
specific
surface
area
1413.02
m2/g.
removal
rates
for
SMX
DCF
could
reach
97.04%
98.65%,
respectively.
adsorption
process
consistent
with
the
pseudo-second-order
kinetic
model
Langmuir
isothermal
model,
illustrated
that
conformed
chemical
monolayer
adsorption.
thermodynamics
indicated
endothermic
occur
spontaneously.
After
5
cycles,
still
remained
efficiency
DCF,
showed
good
reusability.
universality
practical
utilization
value
were
proved
multiple
pollutants
actual
experiments.
Furthermore,
three
machine
learning
models
based
on
Decision
Tree,
Random
Forest
Gradient
Boosting
Tree
algorithm
predict
determine
relative
importance
different
influencing
factors.
gradient
boosting
regressor
best
performance,
pH
most
important
factor.
mechanism
between
included
pore
adsorption,
electrostatic
interactions,
intramolecular
hydrogen
bonding,
reaction
oxygen-containing
functional
groups
metal
complexation.
possessed
potential
PPCPs
removing.
In
addition,
method
play
more
undeniable
role
subsequent
Toxics,
Год журнала:
2023,
Номер
11(12), С. 966 - 966
Опубликована: Ноя. 29, 2023
In
recent
years,
there
has
been
growing
concern
about
antibiotic
contamination
in
water
bodies,
particularly
the
widespread
presence
of
fluoroquinolones
(FQs),
which
pose
a
serious
threat
to
ecosystems
due
their
extensive
use
and
phenomenon
"pseudo-persistence".
This
article
provides
comprehensive
review
literature
on
FQs
summarizing
analyzing
levels
global
surface
over
past
three
as
well
bioaccumulation
metabolism
patterns
aquatic
organisms,
ecological
toxicity,
influencing
factors.
The
results
show
that
is
across
surveyed
32
countries,
with
ciprofloxacin
norfloxacin
being
most
heavy
contaminants.
Furthermore,
are
generally
higher
developing
developed
countries.
It
observed
compound
types,
species,
environmental
factors
influence
bioaccumulation,
metabolism,
toxicity
organisms.
tend
accumulate
more
organisms
lipid
content,
experiments
have
shown
exhibit
highest
bacteria
weakest
mollusk.
summarizes
analyzes
current
research
status
shortcomings
FQs,
providing
guidance
theoretical
support
for
future
directions.
Health Education Research,
Год журнала:
2025,
Номер
40(2)
Опубликована: Фев. 21, 2025
Abstract
Drug
take-back
system
provides
a
legal,
safe
and
eco-friendly
avenue
to
appropriately
dispose
of
unwanted
medicines,
contributing
both
environmental
sustainability
reducing
medication
misuse.
This
study
designed
implemented
brief
educational
intervention,
which
took
<1
min
on
average,
enhance
awareness
community
residents
regarding
the
dangers
hoarding
improperly
disposing
expired
unused
at
home.
In
Chinese
urban
community,
104
eligible
households
were
evenly
assigned
into
2
groups
receiving
leaflet-based
awareness-raising
interventions.
Messages
about
risks
medicines
delivered
two
focused
either
concerns
pharmaceutical
emerging
contaminants
(eco-directed)
or
health
hazards
associated
with
misuse
overuse
(health-focused).
Compared
those
in
health-focused
significantly
more
participating
an
eco-directed
activity
returned
supported
community-level
drug
program
agreed
that
should
be
mandatory
paid
for
by
consumers.
Data
suggested
intervention
might
attractive
approach
public’s
active
participation
program.
Transylvanian Review of Systematical and Ecological Research,
Год журнала:
2025,
Номер
27(1), С. 1 - 16
Опубликована: Апрель 1, 2025
Abstract
This
study
presents
environmental
analysis
of
the
Yangtze
River
Basin,
Wuhan
region
central
China,
performed
using
machine
learning
(ML)
methods
Remote
Sensing
(RS)
data
classification.
The
workflow
is
Geographic
Resources
Analysis
Support
System
(GRASS)
Information
(GIS)
scripting
software
for
processing
Landsat
images
by
two
approaches:
unsupervised
clustering
and
supervised
ML
algorithms.
Six
were
taken
biennially
in
autumn
from
2013
to
2023
detect
wetland
changes
area.
article
demonstrates
application
GIS
landscape
dynamics
riverine
lacustrine
areas
around
River.
Emerging contaminants,
Год журнала:
2023,
Номер
10(1), С. 100263 - 100263
Опубликована: Сен. 14, 2023
It
is
essential
to
determine
the
occurrence
of
emerging
organic
contaminants
(EOCs),
such
as
pharmaceuticals
and
personal
care
products
(PPCPs),
in
ambient
environment
address
growing
public
concerns.
However,
analysis
quite
challenging
due
low
trace
level
water,
which
therefore
requires
several
litres
water
samples.
In
this
study,
a
large
volume
solid
phase
extraction
(LV-SPE)
device
was
developed
evaluated
for
its
performance
monitoring
PPCPs
an
example.
Relatively
good
recoveries
reproducibility
were
obtained
under
specific
operating
conditions:
sample
no
more
than
20
L,
flow
rate
not
exceeding
120
mL/min,
methanol
elution
at
least
30
mL.
addition,
results
from
onsite
enrichment
approach
using
LV-SPE
compared
with
those
conventional
standard
SPE
laboratory
real
groundwater
Among
eight
selected
(nalidixic
acid,
carbamazepine,
bezafibrate,
clofibric
sulfadiazine,
sulfamethoxypyridazine,
sulfamethazine
sulfamonomethoxine),
detected
target
compounds.
While
concentrations
generally
comparable,
slightly
higher
observed
sulfadiazine
method.
The
provides
alternative
may
also
be
applicable
other
contaminants.
