Application of corn straw biochar in pavement asphalt: Suppression of hazardous fume emissions and maintenance of rheological properties
Construction and Building Materials,
Год журнала:
2025,
Номер
481, С. 141635 - 141635
Опубликована: Май 6, 2025
Язык: Английский
A review of the effects of environmental photochemical processes of black carbon: mechanisms, challenges, and perspective
Process Safety and Environmental Protection,
Год журнала:
2025,
Номер
unknown, С. 106793 - 106793
Опубликована: Янв. 1, 2025
Язык: Английский
Biochars from Cotton Seed, Camelia Seed Shell, and Coffee Ground in Modification of Asphalt: Fundamental Properties, Rheological Performance, and Inhibition of VOC Emissions
Materials,
Год журнала:
2025,
Номер
18(7), С. 1504 - 1504
Опубликована: Март 27, 2025
With
the
increasing
requirement
for
asphalt
modification,
a
new
environmentally
friendly
modifier
is
needed.
In
this
study,
three
varieties
of
biomass,
cotton
seed
(CO),
camelia
shell
(CA),
and
coffee
ground
(CG),
were
chosen
biochar
preparation
modification
to
find
an
modifier.
A
segregation
test
was
applied
evaluate
storage
stability
modified
asphalt.
dynamic
shear
rheometer
(DSR)
temperature
sweep
frequency
used
characterize
high-temperature
performance.
The
low-temperature
performance
evaluated
by
bending
beam
(BBR)
test.
DSR
results
indicate
that
rutting
factor
increase
at
high
temperatures
CO
≈
CG
>
CA,
could
reflect
biochar's
properties
better
in
Furthermore,
deterioration
well
controlled
CA
biochar-modified
Finally,
volatile
organic
compound
(VOC)
emission
behavior
using
gas
chromatography-mass
spectrometry
(GC-MS).
Язык: Английский
The effect of additives on the storage and pyrolysis of biomass: Greenhouse gas reduction and biochar's properties variation
Biomass and Bioenergy,
Год журнала:
2025,
Номер
197, С. 107828 - 107828
Опубликована: Апрель 4, 2025
Язык: Английский
Research progress of bio-filler and its application in asphalt materials: review and discussion
Clean Technologies and Environmental Policy,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 27, 2025
Язык: Английский
Regenerative and Innovative Utilization of Coffee Residue and Waste Cooking Oil: Improving Rheological Properties of Recycled Asphalt
Buildings,
Год журнала:
2024,
Номер
15(1), С. 54 - 54
Опубликована: Дек. 27, 2024
Currently,
there
is
limited
research
on
the
utilization
of
spent
coffee
grounds
(SCG)
in
asphalt
pavement.
This
study
explores
using
SCG
as
a
novel
rejuvenator
together
with
waste
cooking
oil
(WCO)
to
enhance
performance
aged
(AA).
The
high-temperature
recycled
was
preserved
containing
oily
components.
However,
low-temperature
long-term
could
not
be
completely
restored
level
virgin
asphalt.
Therefore,
various
dosages
and
WCO
were
utilized
optimize
recovery
properties
while
maintaining
performance.
(RA)
analyzed
through
conventional
indexes,
microscopic
characteristics,
rheological
penetration
softening
point
tests,
Fourier
transform
infrared
spectroscopy
(FTIR),
scanning
electron
microscopy
(SEM),
dynamic
shear
rheometer
(DSR).
results
showed
that
G*
W7S12
increased
by
90%
relative
Additionally,
at
strain
levels
2.5%
5%,
fatigue
life
W8S18
approximately
3.39
times
2.34
greater,
respectively,
than
addition
can
cracking
resistance
Moreover,
FTIR
indicated
regeneration
mechanism
consisted
physical
blending.
In
summary,
exhibited
highest
performance,
demonstrated
superior
life.
may
promote
sustainable
development
pavements
utilizing
organic
resource
recovery.
Язык: Английский
Differences in Rejuvenation Mechanisms and Physical Properties of Aged Styrene–Butadiene–Styrene (SBS)-Modified Bitumen by Mono-Epoxy and Di-Epoxy Compounds
Polymers,
Год журнала:
2024,
Номер
17(1), С. 86 - 86
Опубликована: Дек. 31, 2024
Studying
the
mechanisms
and
effects
of
rejuvenators
on
SBS-modified
bitumen
is
crucial
for
repairing
degraded
SBS
recycling
aged
(ASMB),
thereby
contributing
to
sustainable
development
pavements.
This
research
examines
roles
mono-epoxy
Alkyl
(C12-C14)
glycidyl
ether
(AGE)
di-epoxy
1,6-Hexanediol
diglycidyl
(HDE)
under
catalysis
N,N-dimethyl
benzyl
amine
(BDMA)
in
chains.
Aromatic
oil
(ORSMB)-,
AGE–aromatic
(ARSMB)-,
HDE–aromatic
(HRSMB)-rejuvenated
are
analyzed
their
chemical
structures,
physical
properties,
rheological
properties.
Fluorescence
microscopy
(FM)
Fourier
transform
infrared
spectroscopy
(FTIR)
reveal
that
HDE
chemically
reconnects
chains,
enhancing
ASMB
while
AGE
improves
properties
through
softening.
balances
high-temperature
mid-temperature
fatigue
resistance
a
rigid
repair
effect
flexible
chain
structure.
enhances
but
significantly
reduces
rutting
due
softening
effect.
The
findings
demonstrate
restores
ductility
chemically,
crack
These
differences
rejuvenation
provide
theoretical
basis
optimizing
rejuvenator
design
advancing
pavement
recycling.
Язык: Английский