Nanomaterials,
Год журнала:
2024,
Номер
14(23), С. 1933 - 1933
Опубликована: Ноя. 30, 2024
With
the
growth
of
global
population
and
acceleration
industrialization,
problem
water
pollution
has
become
increasingly
serious,
posing
a
major
threat
to
ecosystem
human
health.
Traditional
treatment
technologies
make
it
difficult
cope
with
complex
pollution,
so
scientific
community
is
actively
exploring
new
efficient
methods.
Biochar
(BC),
as
low-cost,
green
carbon-based
material,
exhibits
good
adsorption
catalytic
properties
in
due
its
porous
structure
abundant
active
functional
groups.
However,
BC's
pure
or
capacity
limited,
researchers
have
dramatically
enhanced
performance
through
modification
means,
such
loading
metals
heteroatoms.
In
this
paper,
we
systematically
review
recent
applications
BC
modified
materials
for
adsorption,
Fenton-like,
electrocatalytic,
photocatalytic,
sonocatalytic
systems,
discuss
their
adsorption/catalytic
mechanisms.
most
research
field
at
laboratory
simulation
stage
still
needs
much
improvement
before
can
be
applied
large-scale
wastewater
treatment.
This
improves
understanding
pollutant
mechanisms
BC-based
materials,
analyzes
limitations
current
studies,
investigates
future
directions.
Water Research,
Год журнала:
2024,
Номер
256, С. 121595 - 121595
Опубликована: Апрель 9, 2024
Micropollutants
and
bacteria
are
prevalent
pollutants
in
wastewater,
posing
significant
risks
to
ecosystems
human
health.
As
peracetic
acid
(PAA)
is
being
increasingly
used
as
a
disinfectant,
activation
of
PAA
by
low-cost
high-performance
activators
promising
strategy
for
wastewater
treatment.
In
this
study,
the
sulfur-doped
magnetic
CoFe
Nano Letters,
Год журнала:
2024,
Номер
24(23), С. 6939 - 6947
Опубликована: Май 30, 2024
The
risk
of
harmful
microorganisms
to
ecosystems
and
human
health
has
stimulated
exploration
singlet
oxygen
(1O2)-based
disinfection.
It
can
be
potentially
generated
via
an
electrocatalytic
process,
but
is
limited
by
the
low
production
yield
unclear
intermediate-mediated
mechanism.
Herein,
we
designed
a
two-site
catalyst
(Fe/Mo–N/C)
for
selective
1O2
generation.
Mo
sites
enhance
generation
precursors
(H2O2),
accompanied
intermediate
•HO2/•O2–.
Fe
site
facilitates
activation
H2O2
into
•OH,
which
accelerates
•HO2/•O2–
1O2.
A
possible
mechanism
promoting
through
ROS-mediated
chain
reaction
reported.
as-developed
electrochemical
disinfection
system
kill
1
×
107
CFU
mL–1
E.
coli
within
8
min,
leading
cell
membrane
damage
DNA
degradation.
effectively
applied
medical
wastewater.
This
work
provides
general
strategy
electrocatalysis
efficient
