Valorization and Bioremediation of Digestate from Anaerobic Co-Digestion of Giant Reed (Arundo donax L.) and Cattle Wastewater Using Microalgae
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(23), P. 10328 - 10328
Published: Nov. 26, 2024
Anaerobic
digestion
followed
by
microalgal
cultivation
is
considered
a
promising
renewable
alternative
for
the
production
of
biomethane
with
reduced
effluent
generation,
thus
lowering
environmental
impact.
In
this
arrangement,
in
addition
to
generating
energy,
microalgae
act
potentiating
refinement
effluents
generated
via
anaerobic
(digestates).
study,
microalga
Tetradesmus
obliquus
was
cultivated
photobioreactors
final
digestate
resulting
from
co-digestion
Arundo
donax
L.
plant
biomass
and
cattle
wastewater.
The
biotechnological
route
used
efficient,
biogas
ranged
50.20
94.69
mL
gVS−1.
first-order
kinetic
model
variable
dependence
(FOMT)
provided
best
fit
data.
post-treatment,
removal
values
81.5
93.8%
chemical
oxygen
demand,
92.0
95.3%
NH4+-N,
41.7
83.3%
PO43−
after
26
days.
macromolecular
composition
algal
reached
lipid
contents
ranging
33.4
42.7%.
Thus,
proposed
process
mediated
can
be
bioremediation
recovery
produced
agriculture
through
use
bioproduct
production.
Language: Английский
Determination of Compressed Liquid Densities for CO2 + n-Decane Using a Vibrating Tube Densimeter
Tao Jia,
No information about this author
Jinpeng Yang,
No information about this author
Yu Jia
No information about this author
et al.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(20), P. 9232 - 9232
Published: Oct. 11, 2024
Understanding
the
density
of
CO2
+
n-decane
is
crucial
for
designing
and
operating
capture,
transport,
storage.
The
safety
effectiveness
burial
directly
affected
by
mixtures.
liquid
densities
CO2(1)
n-decane(2)
mixtures
with
mole
fractions
x1
=
0,
0.2032,
0.4434,
0.7589,
0.8947
were
measured
using
a
vibrating
tube
densimeter.
combined
expanded
uncertainties
level
confidence
0.95
are
estimated
to
be
0.6
kg·m−3.
A
total
221
compressed
along
five
isotherms
between
T
(283
363)
K
pressures
up
100
MPa
presented.
correlated
modified
Tait
equation,
resulting
in
absolute
average
deviations
experimental
calculated
values
0.028%,
0.013%,
0.017%,
0.044%,
0.042%.
In
addition,
isothermal
compressibility,
isobaric
thermal
expansivity,
excess
molar
volume
derived
from
equation.
Language: Английский
A Biorefinery Approach Integrating Lipid and EPS Augmentation Along with Cr (III) Mitigation by Chlorella minutissima
Cells,
Journal Year:
2024,
Volume and Issue:
13(24), P. 2047 - 2047
Published: Dec. 11, 2024
The
quest
for
cleaner
and
sustainable
energy
sources
is
crucial,
considering
the
current
scenario
of
a
steep
rise
in
consumption
fuel
crisis,
exacerbated
by
diminishing
fossil
reserves
rising
pollutants.
In
particular,
bioaccumulation
hazardous
substances
like
trivalent
chromium
has
not
only
disrupted
fragile
equilibrium
ecological
system
but
also
poses
significant
health
hazards
to
humans.
Microalgae
emerged
as
promising
solution
achieving
sustainability
due
their
ability
remediate
contaminants
produce
greener
alternatives
such
biofuels.
This
integrated
approach
provides
an
ambitious
strategy
address
global
concerns
pertaining
economic
stability,
environmental
degradation,
crisis.
study
investigates
intricate
defense
mechanisms
deployed
freshwater
microalgae
Chlorella
minutissima
response
Cr
(III)
toxicity.
microalga
achieved
impressive
92%
removal
efficiency
with
IC50
value
200
ppm,
illustrating
its
extraordinary
resilience
towards
chromium-induced
stress.
Furthermore,
this
research
embarked
on
thorough
explorations
encompassing
morphological,
pigment-centric,
biochemical
analyses,
aimed
at
revealing
adaptive
strategies
associated
resilience,
well
dynamics
carbon
pool
flow
that
contribute
enhanced
lipid
extracellular
polysaccharide
(EPS)
synthesis.
FAME
profile
biodiesel
produced
complies
benchmark
established
American
European
regulations,
emphasizing
suitability
high-quality
vehicular
fuel.
Elevated
levels
ROS,
TBARS,
osmolytes
(such
glycine-betaine),
along
increased
activity
antioxidant
enzymes
(CAT,
GR,
SOD),
reveal
activation
robust
against
oxidative
stress
caused
(III).
finding
investigation
presents
effective
framework
algal-based
biorefinery
approach,
integrating
pollutant
detoxification
generation
vehicular-quality
additional
value-added
compounds
vital
under
concept
circular
economy.
Language: Английский