ChemEngineering,
Journal Year:
2024,
Volume and Issue:
8(2), P. 43 - 43
Published: April 8, 2024
The
generation
of
platform
chemicals
and
hydrochar
is
great
interest
because
they
reduce
dependence
on
fossil
resources
contribute
to
climate
change
mitigation
by
reducing
carbon
emissions.
main
objective
this
study
was
evaluate
the
effect
biomass
particle
size
biomass-to-water
ratio
in
a
hydrothermal
conversion
system
for
value-added
products
obtained
from
sugarcane
bagasse.
Biomass
characterization
performed
using
proximal,
elemental,
structural
analysis;
carbonization
carried
out
at
220
260
°C
one
hour;
monitored
pH,
conductivity,
IR
spectroscopy.
Platform
were
quantified
HPLC-IR.
Hydrochars
characterized
scanning
electron
microscopy
energy
dispersive
Optimizing
water
crucial
maximizing
yield
hydrochar.
study’s
outcomes
revealed
that
specific
combinations,
such
as
1:50
212
μm
°C,
resulted
substantial
31.07%
dry
basis.
This
highlights
critical
role
these
parameters
play
influencing
production
efficiency
valuable
chemicals.
Furthermore,
variations
also
affect
characteristics
For
instance,
utilizing
larger
600
led
with
higher
content
increased
porosity.
These
findings
underscore
how
adjustments
factors
can
impact
not
only
chemical
yields,
but
properties
quality
resulting
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(1), P. 287 - 287
Published: Jan. 2, 2025
The
increasing
demand
for
renewable
energy
sources
has
led
to
significant
interest
in
second-generation
biofuels
derived
from
lignocellulosic
biomass
and
waste
materials.
This
review
underscores
the
pivotal
role
of
valorization
meeting
global
needs,
mitigating
greenhouse
gas
emissions,
fostering
a
circular
bioeconomy.
Key
pretreatment
methods—including
steam
explosion,
pressure
treatment,
chemical
pretreatment—are
analyzed
their
ability
enhance
accessibility
cellulose
hemicellulose
enzymatic
saccharification.
Advances
cellulolytic
enzyme
development
fermentation
strategies,
such
as
use
genetically
engineered
microorganisms
capable
fermenting
both
hexoses
pentoses,
are
discussed
detail.
Furthermore,
potential
biorefinery
systems
is
explored,
highlighting
capacity
integrate
into
biofuel
production
alongside
high-value
bioproducts.
Case
studies
recent
trends
bioethanol
biogas
examined,
providing
insights
current
state
research
its
industrial
applications.
While
hold
considerable
promise
sustainable
emissions
reduction,
challenges
related
cost
optimization,
process
scalability,
technological
barriers
must
be
addressed
enable
large-scale
implementation.
serves
comprehensive
foundation
bridging
gap
between
laboratory
application,
emphasizing
need
continued
innovation
interdisciplinary
collaboration
technologies.
Fuel Processing Technology,
Journal Year:
2023,
Volume and Issue:
254, P. 107943 - 107943
Published: Sept. 8, 2023
Hydrothermal
carbonization
(HTC)
is
an
effective
way
to
harmlessly
dispose
municipal
sludge
(MS).
This
work
comprehensively
reviewed
critical
hydrothermal
parameters
of
HTC,
reaction
mechanisms,
physicochemical
characteristics,
applications
target
products,
technology
coupling,
energy
balance,
economic
evaluation
and
life
cycle
analyses.
The
formation
hydrochar
predominantly
attributed
the
polymerization
remarkably
reactive
intermediates
generated
through
degradation
biopolymers
in
MS,
as
well
solid-solid
conversion
their
insoluble
components.
Physicochemical
properties
products
are
closely
related
process
chemical
compositions
which
provide
a
promising
opportunity
acquire
desired
by
optimizing
conditions.
combination
other
wastes
with
coupling
different
processes
(e.g.,
pyrolysis)
potential
optimization
methods
HTC.
synergy
technological
enables
augmentation
value
within
product.
Typical
balances
HTC
indicate
that
net
recovery
exists
even
when
moisture
content
up
91%.
substitute
for
fossil
fuels
anaerobic
digestion
or
recycling
water
very
favorable
assessment
MS.
Ultimately,
some
prospects
MS
highlighted.
The Chemical Record,
Journal Year:
2024,
Volume and Issue:
24(8)
Published: July 25, 2024
Global
agricultural
by-products
usually
go
to
waste,
especially
in
developing
countries
where
products
are
exported
as
raw
products.
Such
waste
streams,
once
converted
"value-added"
could
be
an
additional
source
of
revenue
while
simultaneously
having
positive
impacts
on
the
socio-economic
well-being
local
people.
We
highlight
utilization
thermochemical
techniques
activate
and
convert
streams
such
rice
straw
husk,
coconut
fiber,
coffee
wastes,
okara
power
wastes
commonly
found
world
into
porous
activated
carbons
biofuels.
suitable
for
various
applications
environmental
remediation,
climate
mitigation,
energy
storage,
conversions
batteries
supercapacitors,
improving
crop
productivity
producing
useful
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(24), P. 9257 - 9267
Published: June 4, 2024
Bioplastics
are
produced
in
growing
amounts
due
to
their
environmental
benefits,
but
disposal
routes
remain
ambiguous.
A
hydrothermal
treatment
(HT)
may
be
a
sustainable
process
improve
the
fate
of
waste
bioplastics,
nearly
no
information
is
available
on
how
they
respond
it.
In
this
work,
HT
biodegradable
bioplastics
was
performed,
and
resulting
solid
liquid
products
were
characterized
by
elemental
analysis,
analytical
pyrolysis-based
techniques,
ion
chromatography,
gas
chromatography
coupled
with
mass
spectrometry.
We
selected
tableware
based
polylactic
acid
(PLA),
cellulose,
Mater-Bi
(MB)
performed
at
160–200
°C.
MB
identified
as
mixture
PLA
polybutylene
succinate
(PBS).
Higher
temperatures
enhanced
solubilization,
which
very
marked
for
minor
cellulose.
Characterization
residues
revealed
that
quantitatively
degraded
180
°C
above,
while
cellulose
could
never
fully
degraded.
The
analysis
aqueous
phases
from
presence
an
array
oligomers
PBS
low
corresponding
monomers
(lactic
succinic
acid)
high
temperatures:
recovery
represent
way
give
new
life
bioplastics.
