Materials,
Journal Year:
2023,
Volume and Issue:
16(21), P. 6903 - 6903
Published: Oct. 27, 2023
In
the
wake
of
economic
and
population
growth,
increased
wastewater
production
poses
a
challenge
related
to
sewage
sludge
treatment,
which
is
problematic
given
its
high
moisture
content,
amount,
hazardous
characteristics.
This
study
focuses
on
hydrothermal
carbonization
produce
carbonous
material–hydrochar,
may
be
an
alternative
fossil
fuels.
The
effect
process
parameters,
namely,
temperature
(180,
240,
300
°C)
duration
time
(30,
90,
180
min),
hydrochar
properties
(proximate
ultimate
analysis,
heating
values)
performance
were
studied.
Obtained
results
indicate
confirm
that
carbonization,
especially
increase,
improves
fuel
carbonized
sludge.
highest
low
value
was
obtained
for
derived
at
°C
in
min
(~23
MJ
×
kg−1).
energy
gain
noted
240
(~23%).
As
well
as
relatively
mass
yield
comparison
other
hydrochars,
these
parameters
are
considered
most
favorable
carbonization.
However,
consumption
(over
1300
kJ
g−1)
suggests
more
research
process’s
economical
efficacy
required.
Materials,
Journal Year:
2023,
Volume and Issue:
16(14), P. 5027 - 5027
Published: July 16, 2023
A
superior
heterojunction
of
HC-ZnBi-LDO
was
synthesized
in
two
steps,
namely
hydrothermal
carbonization,
followed
by
co-precipitation.
The
2%
photocatalysts
could
degrade
over
90.8%
30
mg/L
2,4-dichlorophenoxyacetic
acid
(2,4-D)
using
1.0
g/L
the
catalyst
after
135
min
visible
light
exposure
at
pH
4.
activity
HC-ZnO-LDO
remarkably
stable.
Approximately
86.4-90.8%
2,4-D
degraded,
and
more
than
79-86.4%
TOC
mineralized
4
during
four
consecutive
cycles.
rapid
separation
migration
charge
carriers
interfaces
between
HC
ZnBi-LDO
were
achieved
within
HC-ZnBi-LDO.
Moreover,
electron
acceptor
characteristic
caused
recombination
to
decrease
significantly,
thus
generating
reactive
radicals,
such
as
hydroxyl
radicals
(OH●)
superoxide
(O2●-).
These
results
demonstrate
that
novel
is
a
photocatalyst
for
remediation
hazardous
organic
pollutants.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(13), P. 10868 - 10868
Published: June 29, 2023
Chicken
cartilage
was
used
for
the
first
time
as
a
raw
material
microwave-assisted
synthesis
of
biochar
and
activated
carbon.
Various
microwave
absorbers,
i.e.,
commercial
active
carbon,
scrap
tyres,
silicon
carbide,
chicken
bone-derived
biochar,
well
various
powers,
were
tested
their
effect
on
rate
pyrolysis
type
products
formed.
Biochars
synthesised
under
400
W
in
presence
tyres
with
KOH
K2CO3
detergent
to
produce
carbon
highly
developed
porous
structure
that
would
be
able
effectively
adsorb
xylene
vapours.
All
carbons
thoroughly
characterised
(infrared
spectroscopy,
X-ray
fluorescence
spectrometry,
nitrogen
adsorption/desorption,
Raman
proximate
ultimate
analysis)
sorbents
dynamic
systems.
It
found
activation
causes
an
increase
up
1042
m2·g−1
specific
surface
area,
which
ensures
sorption
capacity
about
300
mg·g−1.
Studies
composition
biogas
emitted
during
revealed
particularly
valuable
gaseous
are
formed
when
is
carried
out
carbide
absorber.
Materials,
Journal Year:
2023,
Volume and Issue:
16(21), P. 6903 - 6903
Published: Oct. 27, 2023
In
the
wake
of
economic
and
population
growth,
increased
wastewater
production
poses
a
challenge
related
to
sewage
sludge
treatment,
which
is
problematic
given
its
high
moisture
content,
amount,
hazardous
characteristics.
This
study
focuses
on
hydrothermal
carbonization
produce
carbonous
material–hydrochar,
may
be
an
alternative
fossil
fuels.
The
effect
process
parameters,
namely,
temperature
(180,
240,
300
°C)
duration
time
(30,
90,
180
min),
hydrochar
properties
(proximate
ultimate
analysis,
heating
values)
performance
were
studied.
Obtained
results
indicate
confirm
that
carbonization,
especially
increase,
improves
fuel
carbonized
sludge.
highest
low
value
was
obtained
for
derived
at
°C
in
min
(~23
MJ
×
kg−1).
energy
gain
noted
240
(~23%).
As
well
as
relatively
mass
yield
comparison
other
hydrochars,
these
parameters
are
considered
most
favorable
carbonization.
However,
consumption
(over
1300
kJ
g−1)
suggests
more
research
process’s
economical
efficacy
required.
