Partially saturated vertical surface flow constructed wetland for emerging contaminants and antibiotic resistance genes removal from wastewater: The effect of bioaugmentation with Trichoderma
Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(2), P. 112128 - 112128
Published: Feb. 3, 2024
Language: Английский
Effect of intermittent water flow on biodegradation of organic micropollutants in the hyporheic zone
Chemosphere,
Journal Year:
2025,
Volume and Issue:
371, P. 144082 - 144082
Published: Jan. 8, 2025
Language: Английский
Relevance of photocatalytic redox transformations of selected pharmaceuticals in a copper- and iron-rich Mediterranean intermittent river
Chemosphere,
Journal Year:
2023,
Volume and Issue:
339, P. 139762 - 139762
Published: Aug. 7, 2023
Language: Английский
In-stream attenuation and enantioselective fractionation of psychiatric pharmaceuticals in a wastewater effluent-dominated river basin
Weimin Wang,
No information about this author
Tian Xie,
No information about this author
Ning Ma
No information about this author
et al.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
951, P. 175521 - 175521
Published: Aug. 13, 2024
Language: Английский
Partially Saturated Vertical Surface Flow Constructed Wetland for Emerging Contaminants and Antibiotic Resistance Genes Removal from Wastewater: The Effect of Bioaugmentation with <i>Trichoderma</i> Fungus
SSRN Electronic Journal,
Journal Year:
2022,
Volume and Issue:
unknown
Published: Jan. 1, 2022
The
removal
of
contaminants
emerging
concern
and
antibiotic
resistance
genes
(ARGs)
were
investigated
at
pilot-scale
with
partially
saturated
vertical
flow
constructed
wetland
bioaugmented
or
not
the
Trichoderma
asperellum
T34
strain
by
means
non-target
liquid
chromatography
high-resolution
mass
spectrometry
SmartChip™
Real-Time
PCR
methodological
approaches.
High
variability
in
efficiency
along
a
four-week
experiment
precluded
to
statically
conclude
that
bioaugmentation
was
able
significantly
improve
treatment
performances
for
most
CECs
except
diclofenac
benzotriazole.
Trichodermasp.
grew
fed
secondary
treated
domestic
wastewater
but
quick
wash-out
external
secreted
laccase
peroxidase
enzymes
likely
occurred.
In
contrast,
there
clear
relationship
between
biodegradability
as
well
sorption
capacity
identified
compounds.
As
expected,
biodegradation
main
driver
accounting
moderate
when
log
Dow
<
3.
However,
types
reaction
(hydrolysis
vs
oxidation
reactions)
key
determinant
rates
rather
substituents
functional
groups
chemical
structures
leading
different
levels
electronic
steric
hindrances.
Sorption
prevailed
over
only
hydrophobic
(log
>
3)
slowly
biodegradable
fate
selected
transformation
products
(TPs)
could
also
be
first
time
such
treatments.
formation
persistence
N-oxide
TPs
highlighted
while
which
prone
undergo
further
N-dealkylation
hydroxylation
partly
eliminated.
Noteworthy
exception
14-hydroxyclarithromycin
tended
accumulate
preserving
an
antimicrobial
activity.
Investigated
treatments
did
reduce
overall
bacterial
load
flowing
water.
may
have
cause
shift
ARGs
composition
no
statistical
difference
average
rates.
Language: Английский
Effect of Water Flow Intermittency on Organic Micropollutants Biodegradation Capacity of the Hyporheic Zone
Published: Jan. 1, 2023
A
lab-scale
study
using
column
experiments
was
conducted
to
provide
knowledge
on
the
biodegradation
capacity
of
river
hyporheic
zone
under
flow
intermittency.
River
water
contamination
simulated
a
mixture
six
compounds
including
pesticides
(chloranthraniliprole,
fluopyram
and
trifloxystrobin)
pharmaceuticals
(venlafaxine,
amisulpride
paroxetine)
spiked
at
1
µg/L
level
for
degradation
kinetic
studies
mg/L
transformation
products
identification
suspect
non-target
liquid
chromatography
high-resolution
mass
spectrometry
approaches.
The
results
suggested
that
intermittent
flows
stimulated
three
namely
fluopyram,
trifloxystrobin
venlafaxine,
showing
large
range
profiles
in
batch
water/sediment
testing
system.
Biodegradation
rate
enhancement
ascribed
occurrence
additional
routes
after
desiccation
period
sediment.
16S
rDNA
sequencing
revealed
favored
growth
nitrifying
denitrifying
bacteria
which
could
partially
explain
emergence
new
pathways
most
specifically
those
leading
N-oxide
derivatives.
Identification
also
reductive
were
relevant
this
study,
being
dehydrogenation,
dehalogenation,
ether
bond
cleavage
sulfone
reduction
into
sulphide
important
reactions.
Language: Английский