Co-occurrence of microplastics, PFASs, antibiotics, and antibiotic resistance genes in groundwater and their composite impacts on indigenous microbial communities: A field study
Noman Yashir,
Qi Sun,
Xiqian Zhang
и другие.
The Science of The Total Environment,
Год журнала:
2025,
Номер
961, С. 178373 - 178373
Опубликована: Янв. 1, 2025
Язык: Английский
Study on Natural Attenuation of Groundwater Organic Pollutants by Integrating Microbial Community Dynamics and Isotope Analysis
Water,
Год журнала:
2025,
Номер
17(4), С. 555 - 555
Опубликована: Фев. 14, 2025
This
study
focuses
on
a
typical
chemically
contaminated
site
in
the
southeastern
coastal
region
of
China,
investigating
natural
attenuation
mechanisms
benzene
and
o-toluidine
groundwater
through
high-throughput
sequencing,
physicochemical
analyses,
stable
isotope
techniques.
The
results
demonstrate
significant
heterogeneity
spatial
distribution
degradation
processes
pollutants
within
zones
(W27,
W28,
W31).
Environmental
factors
such
as
HCO3−,
SO42−,
ORP
predominantly
influence
microbial
community
structure
functional
distribution.
Stable
data
reveal
that
δD
δ13C
enrichment
effects
are
most
pronounced
deep
layer
(W28_40m),
indicating
active
pollutant
degradation,
while
deeper
layers
W27
W31
is
constrained
by
anaerobic
conditions
reduced
activity.
combined
analysis
hydrogen
carbon
isotopes
elucidates
pathways
dynamic
zones,
providing
quantitative
evidence
for
scientific
support
optimizing
remediation
strategies.
Язык: Английский
Impact of Mixed Benzene Site Exposure on Bioaccessibility in Simulated Lung Fluids and Health Risk Assessment
Опубликована: Янв. 1, 2025
Язык: Английский
Compositional profiles and pollution characteristics of volatile organic compounds in urban underground train stations
Han Wang,
Zixuan Cui,
Mingyuan Wang
и другие.
Indoor and Built Environment,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 28, 2025
At
critical
transportation
hubs
in
modern
cities,
the
impact
of
volatile
organic
compound
(VOC)
pollution
on
public
health
underground
train
stations
is
great
concern
to
society.
However,
prevention
and
control
VOC
at
remain
insufficiently
explored
owing
complex
compositions
unclear
sources.
In
this
study,
samples
were
collected
from
12
Chengdu
investigate
their
composition,
characteristics
influence
health.
The
study
detected
93
VOCs
with
a
total
concentration
80.64
±
17.94
μg/m
3
.
primary
sources
solvent
(23.31%),
station
emanation
(13.33%),
traffic
emissions
(10.96%),
industrial
(21.49%)
human
emanations
(30.93%).
Although
not
found
pose
non-cancer
risks
population,
they
contribute
low
levels
cancer
risks.
This
poses
significantly
higher
risk
workers
than
passengers.
findings
offer
scientific
foundation
for
developing
effective
strategies
support
advancement
healthy
sustainable
environment
Язык: Английский
Does the sampling location or the species of aromatic hydrocarbons play a more significant role in determining the dominant bacterial species within the enriched sulfate-reducing consortia?
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116592 - 116592
Опубликована: Апрель 1, 2025
Язык: Английский
Investigation of BTX Concentrations and Effects of Meteorological Parameters in the Steelpoort Area of Limpopo Province, South Africa
Atmosphere,
Год журнала:
2024,
Номер
15(5), С. 552 - 552
Опубликована: Апрель 30, 2024
It
has
been
demonstrated
that
benzene,
toluene,
and
xylene
are
carcinogens.
Its
combined
effects
with
other
contaminants
have
the
potential
to
harm
several
ecosystem
components.
Since
most
human
benzene
exposure
takes
place
inside,
it
is
important
understand
how
outdoor
emissions
from
traffic
industry
affect
interior
concentrations.
However,
this
area
of
study
not
received
enough
attention
date.
Herein,
we
examine
concentrations
(BTX)
in
a
Steelpoort
mining
area.
BTX
pollutants
were
passively
sampled
on
first
seven
days
month,
January
December
2021
using
Radiello
samplers.
The
meteorological
parameters
such
as
temperature,
relative
humidity,
wind
speed,
solar
radiation
also
statistically
tested.
For
all
seasons,
greater
winter
than
summer
0.69
µg/m3,
2.97
µg/m3
0.80
for
toluene
xylene,
respectively.
In
addition,
was
common
compound
highest
when
compared
xylene.
Benzene,
had
yearly
average
0.61
1.48
0.64
below
international
limits
(annual,
5
benzene;
weekly,
260
toluene),
comparison
World
Health
Organization,
well
within
South
African
exceedance
limits.
Both
positive
negative
correlations
between
by
statistical
models.
Temperature,
humidity
depicted
weak
correlation
0.003,
0.019
0.006,
Toluene
showed
speed
(1.90)
(0.041).
Overall,
concentration
major
concern
since
an
agent
cancer
there
atmosphere.
Язык: Английский
Response of microbial communities in aquifers with multiple organic solvent contamination: Implications for MNA remedy
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
474, С. 134798 - 134798
Опубликована: Июнь 2, 2024
Язык: Английский
Migration and natural attenuation of leachate pollutants in bedrock fissure aquifer at a valley landfill site
Environmental Pollution,
Год журнала:
2024,
Номер
unknown, С. 124963 - 124963
Опубликована: Сен. 1, 2024
Язык: Английский
Field Demonstration of In Situ Slow-Release Oxygen Chemicals Coupled with Microbial Agents for Injection to Remediate BTEX Contamination
Water,
Год журнала:
2024,
Номер
16(19), С. 2815 - 2815
Опубликована: Окт. 3, 2024
The
global
concern
for
risk
control
of
organic
contaminated
sites
is
becoming
more
and
prominent.
Traditional
ex
situ
remediation
techniques
are
costly
damage
the
site,
seriously
destroying
soil
structure
ecological
functions.
Therefore,
in
means
combining
material
injection
microbial
have
become
a
potential
pathway
green,
economical,
efficient
sites.
In
this
work,
200
m2
test
block
was
selected
coupled
slow-release
oxygen
materials
agents,
long-term
monitoring
groundwater
carried
out.
results
showed
that
could
release
period
90
days,
which
provided
an
oxidizing
environment
microorganisms
to
rapidly
degrade
BTEX.
For
pre-adapted
indigenous
degradation
bacterial
agent
group,
degree
BTEX
up
98%
after
40
days
injection.
application
on
field
scale
proved
feasibility
reinforcing
biostimulation
underground
contamination
through
agents.
theoretical
technical
support
petroleum
hydrocarbon-contaminated
Язык: Английский