Antibiotics
(ANTs)
deep
purification
using
pyrolytic
carbons
(PyCs)
has
been
demonstrated
as
a
promising
strategy.
Since
PyCs
structural
modification
is
the
key
to
enhancing
their
capacity,
underlying
mechanisms
need
be
further
clarified.
Here,
three
nitrogen-doped
porous
with
solid-sphere,
hollow-sphere,
and
bowl-shape
were
prepared
soft-template-KHCO3
copyrolysis
method.
The
bowl-shaped
bNPyC,
BET/micropore
surface
area
of
2072.79/1415.9
cm2/g,
showed
highest
adsorption
capacity
for
sulfamethoxazole
(SMZ,
Qfitted,
max
=
5.44)
ciprofloxacin
(CIP,
3.23
mmol/g)
rapid
equilibrium.
Despite
slight
N
doping
(0.69%),
SMZ/CIP
on
bNPyC
improved
significantly
48.6%/64.2%.
Additionally,
outperformed
other
reported
in
Q/N
exposure
value.
exhibited
excellent
performance
ANTs
across
wide
pH
range
2–10,
particularly
CIP.
interactions
semiquantitatively
identified
by
probe
competition
experiments
confirmed
spectra
characterizations
density
functional
theory
calculations.
Mechanism
analysis
revealed
that
facilitates
not
only
π–π
EDA
but
also
charge-assisted
H-bond
between
ANTs.
anti-interference
properties,
recyclability,
universality
removal
demonstrated.
These
findings
may
guide
design
deepen
our
understanding
structure–property
mechanism
ANT
PyCs.
Hybrid Advances,
Год журнала:
2024,
Номер
6, С. 100267 - 100267
Опубликована: Авг. 1, 2024
The
prodigious
consumption
of
an
extensive
array
plastic
products
have
engendered
enormous
amount
wastes.
Incineration
waste
in
the
open
atmosphere
serves
to
be
one
predominant
sources
air
pollution,
due
liberation
various
noxious
gases
like
Polychlorinated
biphenyls,
mercury,
dioxins,
and
furans
into
atmosphere.
Conversion
generated
plastics
biochar
address
dual
concerns
associated
with
mitigating
pollution
concerns,
while
also
opening
up
avenues
for
environmental
remediation
applications.
synthesis
biochar,
a
carbonaceous
substance
possessing
greater
specific
surface
area,
porosity,
total
pore
volume,
abundant
functionalities
obtained
by
thermochemical
conversion
distinctively,
along
mixtures
containing
biomass
feedstock
can
utilized
as
adsorbent
elimination
toxic
from
atmosphere,
being
applicable
effluent
treatment.
In
this
regard,
present
review
is
first
that
analytically
contemplates
pristine
wastes
via
pyrolysis,
hydrothermal
carbonization,
mixed
other
co-pyrolysis,
co-hydrothermal
carbonization
techniques,
activated
plastic-derived
char
modified
physical,
or
chemical
methodologies
adsorb
detrimental
contaminants
spanning
dyes,
heavy
metal
ions,
pharmaceutical
compounds,
organic
compounds
wastewater,
capturing
Various
adsorption
advanced
characterization
methodologies,
kinetics
models,
isotherm
underlying
mechanism
governing
sorption
these
pollutants
are
accentuated
review.
Furthermore,
prospects
regenerability
spent
adsorbents
roadmap
leading
future
directives
domain
heading
towards
green,
sustainable
environment
presented
here.
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Июль 18, 2024
Dehalogenating
bacteria
are
still
deficient
when
targeted
to
deal
with
chlorinated
hydrocarbons
(CHCs)
contamination:
e.g.,
slow
metabolic
rates,
limited
substrate
range,
formation
of
toxic
intermediates.
To
enhance
its
dechlorination
capacity,
biochar
and
composites
appropriate
surface
activity
biocompatibility
selected
for
coupled
dechlorination.
Because
special
physical
chemical
properties,
it
promotes
biofilm
by
dehalogenating
on
improves
the
living
environment
bacteria.
Next,
provide
active
sites
removal
CHCs
through
adsorption,
activation
catalysis.
These
can
be
specific
metal
centers,
functional
groups
or
structural
defects.
Under
microbial
mediation,
these
undergo
catalytic
cycles,
thereby
increasing
efficiency.
However,
there
is
a
lack
systematic
understanding
mechanisms
in
biogenic
abiogenic
systems
based
biochar.
Therefore,
this
article
comprehensively
summarizes
recent
research
progress
as
“Taiwan
balm”
degradation
terms
catalysis,
improvement
community
structure
promotion
metabolism
CHCs.
The
efficiency,
influencing
factors
reaction
mechanism
degraded
were
also
discussed.
following
conclusions
drawn,
pure
system,
fixed
adsorption
bonds
surface;
composite
material
relies
persistent
free
radicals
electron
shuttle
react
CHCs,
disrupting
their
molecular
reducing
them;
biochar-coupled
microorganisms
reduce
primarily
forming
an
“electron
bridge”
between
biological
non-biological
organisms.
Finally,
experimental
directions
carried
out
future
suggested
explore
optimal
solution
improve
treatment
efficiency
water.
Sustainability,
Год журнала:
2024,
Номер
16(23), С. 10595 - 10595
Опубликована: Дек. 3, 2024
The
current
treatment
of
wastewater
has
unintended
negative
environmental
impacts.
Conventional
methods
frequently
involve
the
use
harmful
chemicals,
generate
disinfectant
by-products,
consume
significant
amounts
energy,
and
produce
wastes
requiring
additional
efforts
for
safe
disposal.
Water
stress
exacerbated
by
contaminants
emerging
concern
(CECs)
climate
change,
is
further
straining
aging
systems.
A
slow
sand
filter
(SSF),
with
ligno-cellulosic
layers,
offers
a
novel,
promising,
economic
alternative
reclamation.
This
review
examines
key
SSF
characteristics,
obtained
from
recent
studies,
explores
sustainable
materials
such
as
ligno-cellulose,
companion.
optimal
design
includes
bed
depth
>0.6
m,
particle
effective
size
(D10)
between
0.15
mm
0.40
mm,
uniformity
coefficient
(CU
grain
ratio)
≤2.0.
It
established
that
SSF’s
characteristic
biolayer
microorganisms
enhances
contaminant
removal
via
biodegradation.
While
biofilm-based
micropollutants
proven
mechanism,
research
needed
to
address
CEC
challenges.
For
example,
inclusion
sawdust
in
layers
can
reduce
energy
consumption
compared
conventional
be
recycled
through
thermal
conversion,
aligning
circular
economy
principles.
approach
potential
improve
economies,
contributing
achievement
UN
Sustainability
Goals.
