Processes,
Год журнала:
2024,
Номер
12(11), С. 2514 - 2514
Опубликована: Ноя. 12, 2024
Growing
awareness
of
resource
sustainability
and
waste
management
has
driven
the
search
for
circular-economy
solutions.
Lignocellulosic
biomass
waste,
most
abundant
renewable
carbon
resource,
offers
green
potential
as
an
alternative
to
declining
non-renewable
fuels.
However,
due
its
recalcitrant
nature,
it
requires
pre-processing
convert
into
valuable
products
like
energy
chemicals.
Biorefineries
play
a
key
role
in
this
process
by
promoting
integral
use
biomass,
finding
ways
utilize
lignin,
previously
treated
waste.
Common
pretreatment
methods
are
unsustainable,
prompting
research
eco-friendly
solvents
advanced
techniques
ultrasound-
microwave-assisted
methods.
Recent
approaches
have
also
explored
eutectic
solvents,
which,
when
combined
with
these
intensification
techniques,
offer
promising
results.
These
technologies
improve
delignification
efficiency,
which
turn
improves
saccharification
process,
reduces
solvent
use,
minimizes
environmental
impact.
Despite
progress,
challenges
remain
making
economically
viable
adaptable
diverse
types.
This
review
article
highlights
recent
advances
sustainable
treatment
technologies,
including
process-intensification
obtained
lignin
various
industrial
applications.
It
discusses
future
prospects
more
environmentally
friendly
processes
utilization.
The Journal of Chemical Physics,
Год журнала:
2024,
Номер
161(16)
Опубликована: Окт. 22, 2024
Recent
studies
have
demonstrated
that
the
presence
of
water
in
deep
eutectic
solvents
(DESs)
significantly
affects
their
dynamics,
structure,
and
physical
properties.
Although
structural
changes
due
to
addition
are
well
understood,
microscopic
dynamics
these
been
rarely
studied.
Here,
we
performed
molecular
simulation
30%
(v/v)
(∼0.57
molar
fraction)
mixture
DES
containing
CH3CONH2
NaSCN/KSCN
at
various
salt
fractions
understand
structure
water.
The
simulated
results
reveal
a
heterogeneous
environment
for
molecules
aqueous
(ADES),
which
is
influenced
by
nature
cation.
diffusion
coefficients
ADESs
lower
than
neat
concentrated
solution.
When
Na+
ions
replaced
K+
ADES
system,
coefficient
increases,
consistent
with
measured
nuclear
magnetic
resonance
data.
Self-dynamic
factor
other
dynamic
quantities,
such
as
reorientation,
hydrogen-bond,
residence
time
correlation
functions,
show
markedly
slower
inside
Moreover,
become
faster
when
ions.
suggest
Na+-rich
rigid
cation-bound
geometrically
constrained
medium
becomes
less
KSCN
fraction
increases
relatively
weaker
interaction
ions,
accelerates
dynamical
processes.
Journal of Korea Technical Association of The Pulp and Paper Industry,
Год журнала:
2024,
Номер
56(1), С. 38 - 44
Опубликована: Фев. 28, 2024
The
basic
properties
such
as
pH,
electrical
conductivity,
and
viscosity
of
four
different
deep
eutectic
solvents
(DESs)
were
analyzed
in
this
study.
Additionally,
the
effects
temperature
mixing
ratio
water
on
DESs
evaluated.
As
a
result,
pH
DES
was
found
to
be
affected
by
two
reagents
includeed
DES.
Organic
acid
based
(lactic
acid:choline
chloride
=
5:1)
had
lowest
highest
conductivity.
While,
alkaline
inorganic
salt
(glycerine:potassium
carbonate
relatively
low
increased,
conductivity
value
while
decreased.
change
due
increase
also
consistent
with
temperature.
