The
sustainable
synthesis
of
value-added
products
through
the
use
lignocellulosic
materials
stands
out
as
one
main
emerging
routes
in
circular
bioeconomy
transition.
In
this
view,
present
study
investigated
valorisation
industrial
hemp
(Cannabis
sativa
L.)
biomass
residues
(HBRs)
such
hurds
(HH)
and
a
mix
leaves
inflorescences
(Mix)
together
with
cheese
whey
(CW)
semi-continuous
acidogenic
co-fermentation
process
(co-AF),
aiming
to
maximise
volatile
fatty
acid
(VFA)
production.
Preliminary
batch
co-AF
tests
showed
an
almost
similar
net
VFA
production
5212
5106
mg
acetic
equivalent
per
litre
(HAc/L)
for
Mix
HH,
respectively,
after
4
days
initial
pH
8.50.
Based
on
these
results,
fed
both
HBRs
(HH
+
Mix)
CW
was
implemented.
Different
conditions
were
tested
by
removing
or
increasing
amount
terms
VS
(i.e.,
2
times)
evaluate
performance
process.
increase
resulted
proportional
up
3115
HAc/L),
experimental
40%
higher
than
calculated
one,
thereby
pointing
towards
potential
synergy
between
CW.
Resources Environment and Sustainability,
Journal Year:
2022,
Volume and Issue:
11, P. 100101 - 100101
Published: Dec. 7, 2022
PAHs
are
largely
spread
in
the
aquatic
environment,
and
drawbacks
of
conventional
remediation
techniques
as
well
expenditures
for
alternative
disposal
polluted
sediments
lead
to
seek
more
effective,
environmentally-friendly
sustainable
approaches.
Therefore,
present
review
shows
a
critical
overview
literature
evaluated
with
VOSviewer,
focusing
on
problem
PAH-contaminated
marine
knowledge
available
processes
shed
light
what
research
technology
lack.
This
supplies
specific
information
about
key
factors
affecting
biological,
physical-chemical
thermal
techniques,
carefully
examines
associated
their
employment
remediating
PAH-polluted
by
showing
adequate
alternatives.
The
technologies
thoroughly
discussed
here
biostimulation,
bioaugmentation,
sediment
washing,
carbonaceous
adsorbent
addition
desorption.
environmental
economic
impacts
application
mentioned
have
been
also
taken
into
account.
Finally,
this
new
directions
future
recommendations.
Bioresource Technology,
Journal Year:
2023,
Volume and Issue:
383, P. 129237 - 129237
Published: May 26, 2023
This
study
evaluated
the
possibility
of
combining
methane
oxidizing
bacteria
(MOB)
with
sulfur
(SOB)
to
enable
utilization
sulfide-rich
biogas
for
microbial
protein
production.
For
this
purpose,
a
MOB-SOB
mixed-culture
enriched
by
feeding
both
and
sulfide
was
benchmarked
against
an
enrichment
solely
MOB.
Different
CH4:O2
ratios,
starting
pH
values,
levels
nitrogen
sources
were
tested
two
enrichments.
The
culture
gave
promising
results
in
terms
biomass
yield
(up
0.07
±
0.01
g
VSS/g
CH4-COD)
content
73
5%
VSS)
at
1500
ppm
equivalent
H2S.
latter
able
grow
also
under
acidic
(5.8–7.0),
but
as
inhibited
outside
optimal
ratio
2:3.
obtained
show
capability
mixed-cultures
directly
upcycle
into
potentially
suited
feed,
food
or
biobased
product
applications.
Energies,
Journal Year:
2023,
Volume and Issue:
16(12), P. 4698 - 4698
Published: June 14, 2023
The
request
for
alternative
sources
of
energy
has
led
to
evaluating
untapped
routes
production,
such
as
using
abundant
and
low-cost
waste
materials,
e.g.,
lignocellulosic
wastes,
the
substrate
biological
processes
aimed
at
biofuel
production.
This
study
focused
on
peanut
shells
(PS)
valorisation
via
anaerobic
digestion
(AD).
Two
emerging
pretreatments,
i.e.,
organosolv
ultrasounds,
were
investigated
unlock
full
AD
potential
PS.
impact
a
substrate-to-solvent
ratio
in
pretreatment
was
(i.e.,
1:5
vs.
1:10
1:20).
Different
exposure
times
tested
ultrasound
pretreatment,
corresponding
applied
densities
30,000,
12,000,
6000
kJ/kg
VS,
respectively.
Organosolv
achieved
maximal
polyphenol
solubilisation,
4.90
mg/g
TS,
when
increasing
ratio,
whereas
methane
production
did
not
benefit
from
being
comparable
with
that
raw
PS
most
55.0
mL
CH4/g
VS).
On
other
hand,
ultrasounds
mainly
affected
sugar
solubilisation
(up
37.90
TS),
enhancing
up
an
extra
64%,
highest
density.
route
would
further
downstream
steps
recover
biomolecules
released
liquid
fraction,
provided
slurry
suitable
direct
AD.
Environmental Science Water Research & Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Hydrogenotrophic
denitrification
driven
by
granular
sludge
is
an
eco-friendly
alternative
to
conventional
separation-based
techniques,
which
ensure
process
stability,
high
NO
3
−
removal
efficiency
and
minimal
greenhouse
gas
emissions.
