Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 5910 - 5910
Published: Dec. 15, 2024
Tequila
vinasses
are
organic
wastes
generated
during
ethanol
fermentation
at
elevated
temperatures
(≥90
°C)
and
pH
≤
4.0,
making
them
hazardous
to
the
environment.
This
paper
describes
a
new,
simplified
UV–vis
spectroscopy-based
procedure
for
monitoring
adsorption
of
color
compounds
in
tequila
onto
silica-based
adsorbents,
along
with
an
optimized
synthesis
method
produce
most
efficient
sol–gel
synthesized
thiol-functionalized
adsorbent.
Under
conditions,
uptake
capacity
this
adsorbent
reaches
0.8
g
g−1
90
min.
Experimental
results
demonstrate
that
has
specific
affinity
melanoidin-type
molecules.
The
demonstrates
excellent
thermal
stability
(~316
°C).
work
indicate
possesses
potential
treatment
from
wastewater
discharges.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(2), P. 155 - 155
Published: Jan. 9, 2025
In
this
paper,
alumina-modified
wood
liquefaction
(AL-WP)
was
prepared
by
blending
nano-alumina
(Al2O3)
into
phenolic
resin
(WP)
using
a
co-blending
method.
Alumina-modified
protofilament
fiber
(AL-WPF)
obtained
melt-spinning,
curing,
and
thermo-curing
processes,
which
were
followed
carbonization
to
obtain
carbon
(AL-WCF).
This
paper
focuses
on
the
enhancement
effect
of
doping
mechanical
properties
heat
resistance
(WCF),
explores
evolution
graphite
microcrystalline
structure
during
high-temperature
process,
optimizes
curing
conditions
AL-WPF.
The
results
showed
that
introduction
Al2O3
significantly
improved
fibers.
When
1.5%
doped
carbonized
at
1000
°C,
tensile
strength
AL-WCF
increased
from
33.78
MPa
95.74
MPa,
there
an
183%,
its
residual
rate
could
reach
79.2%,
better
than
undoped
it
exhibited
more
substantial
heat-resistant
property.
addition,
best
process
for
alumina
nanoparticle
liquefiers
optimizing
conditions:
hydrochloric
acid
concentration
16%,
formaldehyde
18.5%,
temperature
increase
15
°C/min,
holding
time
3
h,
100
°C.
These
studies
provide
theoretical
basis
technical
support
developing
applying
fibers
liquefiers.
Energies,
Journal Year:
2024,
Volume and Issue:
17(18), P. 4582 - 4582
Published: Sept. 12, 2024
Climate
change
demands
urgent
action
to
limit
greenhouse
gas
(GHG)
emissions
and
explore
methods
for
atmospheric
carbon
removal.
Forest
residues,
a
significant
biomass
resource,
represent
readily
available
solution.
With
the
use
of
life
cycle
assessment
(LCA),
this
study
investigates
environmental
advantages
thermochemical
processes
utilizing
forest
residues
produce
valuable
energy-dense
products,
like
syngas,
bio-oil,
biochar,
providing
sink.
While
slow
pyrolysis
emphasizes
biochar
production
sequestration,
gasification
focuses
on
bioenergy
generation.
This
research
evaluates
performance
both
techniques
in
terms
sequestration
GHG
mitigation.
comprehensive
analysis
aims
identify
critical
factors
influencing
sustainability
management.
The
findings
aim
contribute
achieving
sustainable
development
goals
by
highlighting
mitigating
climate
change.
Inorganics,
Journal Year:
2024,
Volume and Issue:
12(11), P. 296 - 296
Published: Nov. 19, 2024
The
present
study
addressed
the
removal
of
Trypan
blue
(TB)
from
water
using
a
novel
Ni-Zn-Bi-layered
triple
hydroxide
(NZB
LTH
or
NZB)
synthesized
through
co-precipitation
technique.
physiochemical
properties
NZB
were
analyzed
before
and
after
TB
adsorption
XRD,
BET,
FESEM,
FTIR-ATR,
Raman,
XPS.
Studies
on
indicate
that
80
mg
has
maximum
effectiveness
around
96.7%
at
natural
pH
(~4.5–5.0).
This
found
capacity
(qmax)
5.3
mg·g−1
dye
concentrations
ranging
5
to
30
mg·L−1.
When
combined
with
various
anionic
mixtures,
NZB’s
selectivity
studies
showed
it
is
highly
selective
for
also
effective
removing
cationic
dyes.
compared
Na2SO4
NaCl
salts,
had
lower
percentage
in
presence
Na2SO3.
In
an
process,
interaction
between
aqueous
solution
caused
by
hydrogen
bonding
electrostatic
interactions,
which
are
investigated
mechanism.
comparison
ethanol
methanol,
recyclability
investigation
revealed
notable
0.1
M
NaOH
desorption.
Therefore,
suggests
appropriate
adsorbent
solution.
Forests,
Journal Year:
2024,
Volume and Issue:
15(8), P. 1410 - 1410
Published: Aug. 12, 2024
In
this
thesis,
wood
loaded
with
a
silica–titanium
(Si-Ti)
composite
film
was
prepared
using
the
sol–gel
method
in
order
to
achieve
improved
high
hydrophobicity
and
photocatalytic
activity
under
visible
light.
The
factors
affecting
structure
properties
of
film,
as
well
optimization
process,
were
discussed.
Infrared
analysis
revealed
that
vibrational
intensity
Si-O-Si,
Ti-O-Ti,
Ti-O-Si
telescopic
vibration
peaks
increased
an
increase
vinyltriethoxysilane
(VETS).
Additionally,
number
Ti-O-Ti
also
VETS.
Furthermore,
-NO3,
enhanced
higher
dosage
nitric
acid.
Conversely,
-OH
decreased
drying
temperature.
XRD
showed
acid
could
promote
transformation
TiO2
from
amorphous
anatase,
while
SiO2
would
reduce
grain
size
anatase
growth
rutile
TiO2.
surfaces
Si-Ti
changed
hydrophilic
hydrophobic,
significant
differences
observed
between
different
levels
each
factor.
surface-loaded
films
on
most
affected
by
amount
acid,
which
influenced
crystallinity
thus
impacted
activity.
changes
VTES
not
only
crystalline
phase
but
through
generating
SiO2.
Finally,
based
optimal
preparation
process
(titanium–alcohol
ratio
1:5,
titanium–silicon
1:0.2,
titanium–acid
1:0.5,
temperature
100
°C),
achieved
contact
angle
up
125.9°
exhibited
decolorization
rate
for
rhodamine
B
UV
light
reaching
94%
within
180
min.