F1000Research,
Journal Year:
2025,
Volume and Issue:
13, P. 1503 - 1503
Published: April 28, 2025
Background
Microalgae-based
products
offer
a
sustainable
solution
for
food,
fuel,
and
agricultural
inputs,
presenting
environmental
benefits
economic
opportunities.
A
comprehensive
assessment
is
needed
to
understand
their
potential
in
supporting
sustainability
goals,
considering
the
complex
interplay
between
production
methods,
energy
sources,
impacts.
Methods
This
study
evaluated
impacts
of
three
microalgae-derived
–
biodiesel,
fish
feed,
biofertilizer
through
life
cycle
assessment.
Nine
scenarios
were
explored
comparing
electricity
profiles
(current
Thai
mix,
50%
renewable/50%
current
mix
hybrid,
100%
renewable)
across
products.
The
transitioning
these
microalgae-based
alternatives.
Results
discussion
All
demonstrated
significant
under
increased
renewable
scenarios.
Fish
feed
consistently
exhibited
lowest
all
categories
examined,
showing
substantial
improvements
with
use.
With
an
annual
demand
0.4
million
tonnes,
could
generate
USD
560
revenue
reduce
CO2
emissions
by
1.1
tonnes.
Fulfilling
projected
biodiesel
4,015
liters
per
year
microalgae
yield
approximately
3.5
billion
30
tonnes
compared
conventional
fossil-based
diesel.
Additionally,
algal
meet
5
demand,
offering
2
while
reducing
6
yearly.
Collectively,
offset
37
CO2,
representing
about
14%
Thailand’s
total
emissions,
contributing
significantly
country’s
Nationally
Determined
Contribution
(NDC)
target
20-30%
greenhouse
gas
reduction.
Conclusion
Transitioning
transform
aquaculture,
energy,
sectors,
potentially
national
climate
change
mitigation
if
implemented.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 6, 2025
AbstractChromochloris
zofingiensis
(C.
zofingiensis)
and
Haematococcus
lacustris
(H.
lacustris)
were
cultivated
in
an
autotrophic
conditions.
The
algae
cell
sizes
measured
to
determine
their
size
light
absorption
for
oxygen
production
consumption
rates.
Methodologies
developed
measure
the
rates
of
both
species
using
different
wavelengths
(blue
red)
intensities
(20–80
µmol
m–2
s–1).
H.
lacustris,
with
larger
cells,
potentially
exhibited
slower
growth
(0.09
d–1)
at
20
s–1
blue-light
high
O2
red-light,
which
resulted
increase
pH
(11.8)
80
red-light.
Conversely,
C.
was
distinguished
by
smaller,
non-motile
streamlined
production,
transport,
responded
favorably
changes
intensities,
a
higher
specific
rate
0.19
d–1.
Both
had
environment
due
its
short
wavelength.
While
environment,
optimized
photosynthetic
quotient
(2.3)
60
s–1.
This
study
underscores
biotechnological
potential
as
source
high-value
products.
Critical Reviews in Environmental Science and Technology,
Journal Year:
2023,
Volume and Issue:
53(23), P. 2055 - 2070
Published: May 7, 2023
The
continuous
release
of
greenhouse
gases
(GHG)
is
negatively
affecting
the
sustainability
ocean
as
a
carbon
sink
via
acidification
and
warming.
capture
storage
GHGs
important
to
reduce
long-term
effects
emissions.
use
microalgae
biofilms
for
GHG
sequestration
promising
method
due
their
ability
adapt
different
environmental
conditions
rapid
growth
characteristics.
current
review
shows
how
process
biofilm
nitrogen
contributes
economic
sustainability.
that
wastewater
medium
cultivation
cost
effective
will
increase
feasibility
sequestration,
but
dynamic
nature
structure,
which
directly
influenced
by
type
substrate,
liquid
flow,
conditions,
limitation.
results
cannot
assure
highly
economically
viable
using
techno-economic
analysis
lack
accessible
data
showing
precise
estimation
operating
expenditures
capital
expenditures.
also
lead
because
in
availability
bioresources
caused
decrease
world's
dependency
on
fossil
resources.
