ACS ES&T Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 30, 2025
Effective
management
of
food
waste
(FW)
is
essential
for
achieving
energy
self-sufficiency
and
carbon
neutrality
in
treatment
plants
(FWTPs).
Developing
a
multitandem
efficient
FW
process
crucial
performing
more
recovery
at
on-site
plants.
In
this
study,
cascading
was
developed
to
treat
from
generation
complete
disposal.
Compared
with
the
unpretreated
(UP-FW),
enzymolysis
exhibited
higher
hydrolysis
efficiencies
FW.
Specifically,
concentrations
glucose,
chemical
oxygen
demand,
total
organic
increased
by
259.42%,
49.31%,
33.08%,
respectively.
The
pretreated
considerable
hydrogen
yield
35.81
±
1.47
mL/g-VS,
roughly
double
that
raw
used
as
substrate,
which
also
accompanied
26.52%
19.10%
increases
ethanol
acetate
production,
recyclable
catalyst
(FRB800)
pyrolyzed
fermentation
residue
showed
superior
Orange
G
(OG)
removal
efficiency
better
anti-interference
ability
actual
water
body.
OG
could
be
completely
removed
within
30
min,
dominated
singlet
oxygen,
nonradical
pathways,
diverse
active
sites
on
FRB800.
This
synchronizes
resources
degradation
pollutants.
Overall,
these
findings
indicate
an
alternative
approach
disposal
possesses
significant
engineering
value
broad
application
prospects
FWTPs.
Sustainable Horizons,
Год журнала:
2024,
Номер
10, С. 100091 - 100091
Опубликована: Янв. 24, 2024
Recently,
nitrogen-doped
biochar
(NBC)
has
attracted
a
great
deal
of
attention
in
the
field
advanced
oxidation
processes
(AOPs)
for
treatment
various
pollutants.
However,
effect
nitrogen
doping
method
on
catalyst
efficiency
NBC
not
been
fully
understood.
In
this
study,
was
prepared
using
two
different
methods:
carbonization
urea
mixed
with
maize
straw
(NBC1)
and
pristine
obtained
from
(NBC2).
Catalytic
degradation
tetracycline
(TC)
presence
peroxydisulfate
(PDS)
examined,
process
factors
reaction
mechanism
were
explored.
Characterizations
revealed
that
NBC1
had
higher
content
(6.86
%)
carbon
defects
compared
to
NBC2.
Under
optimum
conditions
0.4
g
L−1,
PDS
3
mM,
TC
15
mg
solution
pH
4.6,
reached
over
86.55
%
within
120
min,
which
than
NBC2
(57.10
%).
Moreover,
catalytic
system
showed
resistance
anions
dissolved
organic
matter,
by
remained
82.47
after
secondary
carbonization.
Radical
quenching
electron
spin
resonance
spectroscopy
verified
co-existence
·OH,
SO4·−,
O2·−,
1O2
system,
made
significant
contribution
degradation.
More
importantly,
quantitative
structure-activity
relationships
(QSAR)
density
functional
theory
(DFT)
calculations
displayed
graphitic
N,
as
primary
active
site,
played
an
important
role
activation
This
work
provides
evidence
preparation
efficient
biochar,
elucidation
mechanism,
its
feasibility
wastewater
treatment.
