Energies,
Год журнала:
2024,
Номер
17(24), С. 6392 - 6392
Опубликована: Дек. 19, 2024
This
article
aims
to
provide
a
comprehensive
review
of
the
use
logging
residues
in
manufacturing
briquettes,
and
demonstrate
their
potential
as
renewable
energy
source.
Technical
aspects
briquetting
are
examined,
including
wood
properties,
particle
size,
moisture
content,
process
temperature.
Forest
residues,
such
branches
treetops,
have
high
with
calorific
values
reaching
up
20
MJ∙kg−1
after
briquetting.
Densifying
these
increases
density
(achieving
1120
kg∙m−3)
reduces
waste
greenhouse
gas
emissions.
Briquetting
processes
were
analyzed
economically
environmentally,
studies
showing
that
production
costs
can
be
reduced
by
25%
when
using
locally
sourced
residues.
recommends
optimizing
improve
briquette
durability
quality.
Future
research
directions
focused
on
developing
cost-effective
technologies
tailored
for
small-
medium-sized
businesses
identified
study.
Rural
disadvantaged
regions
could
benefit
from
advancements
paper
advocates
improved
collaboration
international
organizations
standardize
quality,
promoting
market
acceptance
trade.
Technology
has
advance
systems
achieve
global
climate
goals.
Abstract
A
recent
renaissance
of
industrial
hemp
has
been
driven
by
a
plethora
ecologically
amicable
products
and
their
profitability.
To
identify
its
environment
economic
fate
across
the
value
chain
(VC),
this
study
conducts
systematic
review
98
studies
published
in
ScienceDirect,
Web
Science,
Scopus‐indexed
journals.
The
thematic
content
articles
is
categorized
using
three
deductively
derived
classification
categories:
lifecycle
analysis
(
n
=
40),
VC
30),
feasibility
28).
Bibliometric
indicates
that
majority
(>90%)
were
conducted
selected
regions
Europe
or
North
America,
with
further
findings
around
regionally
prioritized
products,
such
as
hempcrete
Southwest
Europe,
solid
biofuel
European
states,
textile
fiber
bio‐composites
East
America.
Lifecycle
highlight
nitrogenous
fertilizer
use
during
cultivation
major
ecological
hotspot,
which
taking
toll
on
climate
change
index.
However,
hemp‐based
are
generally
climate‐friendly
solutions
when
contrasted
against
fossil
fuel
counterparts,
particular
highly
touted
carbon‐negative
(−4.28
to
−36.08
kg
CO
2
eq/m
)
product.
also
identifies
key
issues
within
presents
innovative
alongside
recognition
value‐adding
opportunities.
Furthermore,
unprofitability
for
bioenergy
production
there
relative
cost
worthiness
at
upstream
level.
Positive
returns
observed
under
co‐production
schemes.
In
contemplating
literature
findings,
we
discussed
identified
gap
existing
future
exploration,
including
more
provide
insights
from
Global
South,
biophysically
constrained
landscape.
Energies,
Год журнала:
2024,
Номер
17(9), С. 2210 - 2210
Опубликована: Май 4, 2024
The
adaptation
of
lignocellulosic
materials
such
as
Cannabis
sativa
L.
a
new
renewable
energy
source
is
linked
to
the
fact
that
technology
must
be
developed
able
adapt
local
market
conditions.
Bioenergy
consumers
are
faced
with
this
problem
because,
when
it
comes
selection
briquettes
and
pellets
for
production,
there
only
individual
standards
in
place.
This
research
intended
provide
better
understanding
hemp
product
potential
material
can
used
production
biofuel
purpose.
Nevertheless,
anisotropic
raw
interferes
compaction
process
may
expose
poor
durability
briquettes.
was
conducted
evaluated
conditions
biofuels
by
measuring
physical
chemical
parameters.
ash
content,
compressive
strength,
samples
were
examined.
statistical
data
analysis
performed
after
strength
tests
on
prepared
samples.
Energies,
Год журнала:
2025,
Номер
18(7), С. 1853 - 1853
Опубликована: Апрель 7, 2025
Research
on
seed
hemp
and
pine
was
carried
out
to
improve
sustainability
energy
efficiency.
The
mechanical
properties
of
different
species
lignocellulosic
biomass
are
still
undocumented
in
the
context
granulation
processes,
even
though
is
widely
studied
for
biofuel
production.
Hemp
have
not
been
thoroughly
compared
process.
Under
compressive
forces
pertinent
pelletizing,
study
investigated
materials,
such
as
Scots
pine.
Based
their
properties,
microscopic
analysis
strength
tests
were
conducted
compare
pellets
briquettes.
In
recent
years,
a
significant
trend
has
towards
eco-friendly
innovative
production,
motivating
research
compaction
technologies
material
enhancement.
(Cannabis
sativa
L.)
with
(Pinus
sylvestris)
during
compaction.
Compared
briquettes,
exhibit
superior
durability
(durability
factor
=
0.98)
(average
2.5
kN),
demonstrating
hemp’s
potential
renewable
fuel
source.
results
contribute
development
sustainable
production
processes.
Materials,
Год журнала:
2024,
Номер
17(21), С. 5177 - 5177
Опубликована: Окт. 24, 2024
This
study
investigates
lignocellulosic
biocomposites’
physicochemical
properties
and
strength
parameters
with
varying
thermoplastic
content.
Biocomposites
were
prepared
using
wood
(Pinus
sylvestris)
or
hemp
shives
(Cannabis
sativa
L.)
combined
25%
50%
ABS
regranulate.
The
research
focused
on
evaluating
the
mechanical
energy
consumption
during
compaction
of
wood-ABS
biocomposites
different
pine
fractions
pretreated
hot
water
extraction
(HWE)
analyzing
relationship
between
Results
indicate
that
composition
mixture
size
fraction
did
not
significantly
influence
densification.
Energy
values
ranged
from
1.234
×
10⁻8
J
to
8.296
J.
While
densification
after
HWE
was
unsuccessful
without
ABS,
preheating
mixtures
facilitated
production
a
uniform
composite.
work
required
for
1.404
10⁻5
2.711
ABS.
For
1.954
0
÷
0.4
(f1)
0.042
0.8.
Agrosystems Geosciences & Environment,
Год журнала:
2024,
Номер
8(1)
Опубликована: Дек. 30, 2024
Abstract
Industrial
hemp
(
Cannabis
sativa
L.),
displaying
more
than
25,000
products,
has
been
grown
in
North
America
since
the
16
th
century.
However,
knowledge
gaps
persist
optimizing
agronomic
practices,
including
precision
nitrogen
(N)
management,
which
is
crucial
for
yield
and
phytochemical
quality,
example,
delta‐9‐tetrahydrocannabinol
(THC)
cannabidiol
(CBD).
Addressing
these
gaps,
a
2‐year
field
trial
(2022
2023)
was
conducted
at
Rodale
Institute‐Pocono
Organic
Center
Blakeslee,
PA,
aiming
to
optimize
CBD
production
through
N
management.
Forty
experimental
plots
were
established,
with
each
assessing
two
main
factors:
(i)
rate:
0,
56,
112,
168,
224
kg
ha
−1
using
an
OMRI‐listed
fertilizer,
blood
meal
(12%
N)
(ii)
application
method:
banding
broadcasting.
The
3‐week‐old
seedlings
transplanted
into
plots,
followed
by
fertilizer
drip
irrigation.
Parameters
plant
height,
bud
weight,
biomass,
assessed,
alongside
THC
concentrations
floral
components
concentration
leaves
flowers.
There
significant
interaction
of
rate
method,
impacting
biomass
yield,
while
also
influenced
concentration.
Blood
supplied
yielded
highest
elevated
concentrations;
however,
this
did
not
differ
significantly
from
168
application.
Therefore,
recommended
optimal
Northeastern
,
upper
limit
.
Furthermore,
method
effective
Energies,
Год журнала:
2024,
Номер
17(23), С. 5950 - 5950
Опубликована: Ноя. 27, 2024
Organic
matter
is
converted
into
a
variety
of
fuels,
including
potential
replacements
for
transport
fuels.
New
sources
raw
materials
are
being
sought
their
acquisition.
One
such
material
that
currently
attracting
growing
degree
attention
hemp.
The
objective
this
study
was
to
produce
biodiesel
from
hemp
oil
ascertain
its
selected
properties
and
compare
them
with
the
obtained
rapeseed
diesel
fuel.
A
reactor
designed
non-industrial,
local
conversion
available
fatty
acid
esters
used
manufacture
biodiesel.
were
evaluated
in
comparison
those
biodiesel,
fuel,
requirements
set
forth
EN
14214
standard,
pertaining
specification
methyl
utilization
compression-ignition
internal
combustion
engines.
kinematic
viscosity
value
yielded
just
below
upper
limit
defined
standard.
Furthermore,
research
has
demonstrated
contains
considerable
proportion
linoleic
linolenic
acids,
which
susceptible
oxidation.
content
ester
produced
clearly
higher
than
oil.
This
contributes
high
iodine
number,
significantly
exceeding
standard
requirements.
remaining
designated
accordance
laid
down
exhibit
similarities
Further
recommended
enhance
characteristics
