Hydration behavior and chloride binding of seawater-mixed sintered sludge cement paste: Experimental and thermodynamic study
Construction and Building Materials,
Год журнала:
2024,
Номер
426, С. 136170 - 136170
Опубликована: Апрель 10, 2024
Язык: Английский
Utilization of Sintered Sludge Ash with Different Mechanical–Thermal Activation Parameters as a Supplementary Cementitious Material: Mechanical Properties and Life Cycle Assessment of Cement-Based Paste
Materials,
Год журнала:
2024,
Номер
17(16), С. 4101 - 4101
Опубликована: Авг. 19, 2024
The
proposal
of
sintered
sludge
cement
(SSC)
paste
aligns
with
the
low-carbon
development
goals
building
materials.
However,
there
is
a
lack
scientific
guidance
for
preparation
ash
(SSA).
Herein,
this
study
systematically
investigates
influence
mechanism
mechanical–thermal
activation
parameters
SSA
on
mechanical
properties
and
life
cycle
assessment
(LCA)
SSC
paste,
conducts
comprehensive
evaluation
using
radar
chart
TOPSIS
method.
results
show
that
increase
in
calcination
temperature
duration,
compressive
flexural
strengths
are
improved,
especially
at
600
°C
above,
increasing
by
57.92%
62.52%,
respectively.
longer
time
1000
decrease
its
properties.
addition
significantly
reduces
LCA
indicators
paste.
Specifically,
30%
only
contributes
8.1%
to
global
warming
potential.
Compared
calcination,
have
less
sensitivity
ball
milling,
prolonging
hardly
increases
them.
Based
performance
environmental
impact,
optimal
obtained
calcining
800
2
h
milling
10
min.
This
can
provide
theoretical
efficient
material
utilization
dredged
sludge.
Язык: Английский
Improving the performance of phosphogypsum-based cementitious materials by controlling water consumption and introducing CaCl2
Sustainable Chemistry and Pharmacy,
Год журнала:
2025,
Номер
44, С. 101971 - 101971
Опубликована: Март 7, 2025
Язык: Английский
Mechanical-thermal activated dredged sludge as a supplementary cementitious material: Microstructure reconstruction and pozzolanic activity enhancement
Construction and Building Materials,
Год журнала:
2025,
Номер
476, С. 141256 - 141256
Опубликована: Апрель 14, 2025
Язык: Английский
Microstructure regulation and performance enhancement of waste gypsum-based supersulfated cement with sintered sludge ash
Construction and Building Materials,
Год журнала:
2025,
Номер
477, С. 141358 - 141358
Опубликована: Апрель 19, 2025
Язык: Английский
Electric heating curing regimes of temperature self-controlled concrete with nano-carbon black for performance improvement in cold regions
Cement and Concrete Composites,
Год журнала:
2024,
Номер
152, С. 105689 - 105689
Опубликована: Июль 30, 2024
Язык: Английский
Chemical erosion resistance and sustainability of cement containing incinerated sludge ash
Construction and Building Materials,
Год журнала:
2024,
Номер
458, С. 139535 - 139535
Опубликована: Дек. 13, 2024
Язык: Английский
A sludge-modified foam concrete for road fill material: Performance evaluation and carbon footprint analysis
Journal of CO2 Utilization,
Год журнала:
2024,
Номер
91, С. 103006 - 103006
Опубликована: Дек. 18, 2024
Язык: Английский
Hydrothermal mineralization enabled upgrading reuse of construction-generated sludge waste for sustainable building material production
Developments in the Built Environment,
Год журнала:
2024,
Номер
19, С. 100507 - 100507
Опубликована: Июль 17, 2024
This
work
reports
an
upgrading
reuse
of
construction-generated
sludge
waste
(CGSM)
to
manufacture
value-added
building
materials
using
hydrothermal
mineralization
(HM).
The
optimization
mixture
proportions
and
the
influential
factors
curing
temperature
duration
were
explored.
Results
showed
that
high-strength
HM-CGSW
blocks
over
50
MPa
with
a
strength-to-calcium
ratio
2.95
MPa/percentage
can
be
produced
under
optimal
Ca/Si
0.5
HM
200
°C
for
12
h.
production
block
would
generate
305.81
kg
e-CO2/m3
cost
222.44
CNY/m3,
lower
than
those
concrete
autoclaved
fly-ash
block.
An
industrial
application
was
proposed
use
CGSW
produce
new
constructions.
findings
in
this
study
not
only
deepen
mechanistic
understandings
treatment
waste,
but
also
shed
much
light
on
developing
path
enables
sustainable
material
production.
Язык: Английский
Experimental investigation on mechanical property and hydration process of sintered sludge cement paste at different water‐binder ratios and curing ages
Structural Concrete,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 8, 2024
Abstract
This
research
investigated
the
mechanical
property
and
hydration
process
of
sintered
sludge
cement
(SSC)
paste,
focusing
on
effects
calcination
temperature
sludge,
ash
(SSA)
content,
curing
age,
water‐binder
ratio
using
isothermal
calorimetry,
X‐ray
diffraction,
scanning
electron
microscopy,
multiple
regression.
Increasing
enhanced
compressive
strength
SSC
paste
due
to
decomposition
minerals
like
Clinochlore
Muscovite.
The
decreased
by
2.4%–49.4%
when
SSA
content
increased
from
0%
50%,
with
more
significant
declines
noted
at
higher
ratios.
Notably,
7‐day
10%
showed
little
change,
28‐day
actually
a
0.4.
slowed
down
rate
induced
Monocarbonate
form
in
early
stage.
A
linear
regression
model
was
developed
predict
12%
error
margin.
Язык: Английский