While
Deltas
represent
about
5%
of
the
global
land
surface,
they
occupy
over
550
million
people
(i.e.,
a
high
population
density).
The
Delta
area,
which
is
characterized
by
flat
topography,
fertile
alluvial
soils,
and
abundant
natural
resources,
vital
for
human
habitation.
However,
this
area
subjected
to
diverse
anthropogenic
threats,
owing
climate
change
vulnerability.
delicate
equilibrium
delta
ecosystems
threatened
as
activities
escalate
(e.g.,
illegal
solid-waste
dumping),
necessitating
innovative
solutions.
This
chapter
includes
main
concluding
remarks
on
evolution
waste
management
practices
within
Deltas,
emphasizing
significance
sustainable
approaches
balance
ecological
socio-economic
aspects.
As
continue
confront
dynamic
seasonal
challenges,
book
tends
provide
foundation
promoting
resilient
in
solid
(SWM)
these
ecosystems.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2025,
Volume and Issue:
12
Published: Jan. 9, 2025
This
study
evaluated
the
growth
performance
of
Tetradesmus
obliquus
and
Chlorella
vulgaris
microalgae
cultivated
in
diluted
liquid
digestate
supplemented
with
CO2,
comparing
their
efficiency
to
that
a
conventional
synthetic
media.
The
presence
an
initial
concentration
ammonium
125
mg
N-NH4
+.L-1
combined
continuous
injection
1%
v/v
CO2
enhanced
optimal
responses
bioremediation
potential
for
both
strains
200-mL
cultures.
In
6-L
flat
panel
reactors,
T.
exhibited
superior
biomass
production,
achieving
final
1.29
±
0.06
g.L-1,
while
C.
reached
only
0.36
0.02
g.L-1.
Both
effectively
contributed
digestate-based
culture
media,
up
100%
+,
50%
COD,
55%
P-PO4
3-
removals.
high
nitrogen
levels
medium
significantly
increased
protein
content,
46.21%
3.98%
dry
weight
(DW)
44.17%
2.24%
DW
as
compared
commercial
Additionally,
metal
content
microalgal
was
analyzed
assess
its
use
biostimulants
compliance
European
regulations.
While
chromium
concentrations
slightly
exceeded
regulatory
thresholds
strains,
other
metals
remained
within
permissible
limits.
Discover Agriculture,
Journal Year:
2024,
Volume and Issue:
2(1)
Published: Dec. 26, 2024
Recent
climate
variability,
limited
fertile
land
availability
and
soil
degradation
are
major
constraints
to
achieve
food
security
for
an
ever-increasing
human
population.
The
adoption
of
intensive
agriculture
practices
highly
productive
agrosystems
coupled
with
use
agrochemicals
has
caused
significant
increases
in
production
worldwide.
This
exhaustive
system
generation
accumulation
large
quantities
organic
wastes,
which
cause
environmental
pollution,
deteriorate
health
increase
public
hazards.
Conventional
methods
waste
management
such
as
situ
burning
landfilling
chemical
labour
intensive,
expensive
energy-consuming,
negatively
impact
the
environment.
Therefore,
sustainable,
eco-friendly
socially
acceptable
agri-technologies
have
been
developed
value-added
wastes
obviate
pollution
problem.
These
biological
technologies
composting,
anaerobic
digestion,
vermicomposting,
biochar,
phytostimulants,
bioremediation
pollutants
opened
new
vista
management.
addition
processed
amendments
(i.e.,
compost,
vermicompost,
biogas
slurry
biochar)
matter
nutrients
availability,
stimulates
microbial
community,
contributes
towards
biocontrol
pathogens
also
causes
detoxification
pesticides.
Furthermore,
amendment
material,
singly
or
beneficial
microbes,
improved
health,
promoted
growth
plants
increased
crop
yields
less
dependency
on
fertilizers.
In
this
article,
current
used
accumulated
discussed
improving
sustainable
production,
while
maintaining
sustainability.
JOURNAL OF RENEWABLE MATERIALS,
Journal Year:
2023,
Volume and Issue:
12(1), P. 1 - 28
Published: Dec. 12, 2023
The
huge
volumes
of
crop
residues
generated
during
the
production,
processing,
and
consumption
farm
products
constitute
an
ecological
nuisance
when
ineffectively
managed.
conversion
to
green
hydrogen
is
one
sustainable
management
strategies
for
ubiquitous
residues.
Production
from
residue
sources
will
contribute
deepening
access
clean
affordable
energy,
mitigating
climate
change,
ensuring
environmental
sustainability.
However,
deployment
conventional
thermochemical
technologies
costly,
requires
long
residence
time,
produces
low-quality
products,
therefore
needs
be
upgraded.
current
review
examines
conventional,
advanced,
integrated
production.
After
a
brief
overview
techniques,
delves
into
broad
narration
advanced
including
catalytic
pyrolysis,
microwave
co-pyrolysis,
hyropyrolysis,
autothermal
pyrolysis.
study
advocates
anaerobic
digestion,
gasification
ensure
scalability,
decomposition
recalcitrant
feedstocks,
generation
high
grade
hydrogen.
outlook
provides
suggestions
future
research
cost-saving
production
towards
achieving
carbon
neutrality
circular
bio-economy.
