Frontiers in Materials,
Год журнала:
2024,
Номер
11
Опубликована: Июль 15, 2024
The
escalating
accumulation
of
toxic
wastes
and
biowastes
constitutes
a
critical
environmental
crisis
that
demands
immediate
effective
solutions.
Traditional
waste
treatment
methods,
predominantly
chemical
physical,
are
increasingly
viewed
as
unsustainable,
burdened
by
high
operational
costs
the
risk
generating
secondary
pollutants.
Against
this
backdrop,
bioremediation
emerges
crucial
sustainable
alternative,
utilizing
natural
detoxifying
capabilities
microorganisms.
This
review
article
focuses
on
use
fungal
bacterial
strategies
in
bioremediation,
emphasizing
their
vital
role
degradation,
stabilization,
or
detoxification
We
provide
an
in-depth
analysis
mechanisms
which
fungi
bacteria
break
down
various
contaminants,
presenting
current
snapshot
field’s
state
knowledge.
highlights
recent
innovative
advancements
improve
effectiveness
expand
applicability
technologies.
Moreover,
it
discusses
practical
challenges
scaling
these
solutions
to
meet
global
needs
suggests
directions
for
future
research
implementation.
synthesis
not
only
underscores
significance
microbial
addressing
pressing
problems
but
also
acts
call
action
continued
innovation
management
hazardous
wastes.
Poultry,
Год журнала:
2025,
Номер
4(2), С. 19 - 19
Опубликована: Апрель 10, 2025
Rearing
broiler
chickens
generates
large
quantities
of
waste
material
in
the
form
bedding.
Anaerobic
digestion
(AD)
is
a
technology
that
can
be
applied
to
this
waste.
This
study
aimed
evaluate
AD
litter,
either
screened
(S)
or
unscreened
(US),
from
different
flocks,
collected
each
production
batch,
totaling
nine,
commercial
farm.
was
conducted
batch
biodigesters,
and
fraction
separation
performed
through
screening
prior
loading.
The
S
substrate
second
fifth
flocks
did
not
produce
biogas.
Reductions
total
(TS)
volatile
solids
were
highest
for
substrates
third
flock
(50.5%
58.3%,
respectively).
Only
flock’s
showed
greater
reductions
than
US
substrates.
Potential
biogas
methane
also
bedding
both
(336.8
218.2
L/kg
TS,
respectively)
(296.8
213.4
concentration
(64.8%),
while
substrate,
it
fourth
(70.3%).
Screening
litter
reduced
process
efficiency.
We
conclude
inadvisable
litter.
Processes,
Год журнала:
2024,
Номер
12(8), С. 1549 - 1549
Опубликована: Июль 24, 2024
The
use
of
agricultural
residues
in
biogas
plants
is
becoming
increasingly
important,
as
they
represent
an
efficient
and
sustainable
substrate
alternative.
Pelletizing
straw
can
have
positive
effects
on
transportation,
handling,
production.
In
this
study,
different
grain
pellets
from
mobile
stationary
pelleting
Germany
well
the
corresponding
untreated
were
characterized
investigated
for
their
suitability
anaerobic
digestion
(AD).
Therefore,
tests
biochemical
methane
potential
(BMP)
chemical–physical
characterization
unpelletized
carried
out.
revealed
a
high
average
total
solid
content
91.8%
industrially
produced
90.8%
straw.
particle
size
distribution
within
tested
pellet
samples
varied
greatly
depending
process
pre-treatment
addition,
C/N
ratio
91:1
was
determined
pellets,
whereas
higher
heating
value
(HHV)
17.58
MJ
kg−1.
BMP
tests,
production
yields
ranged
260–319
normal
liter
(NL)
CH4
kg−1
volatile
solids
(VS)
between
262
289
NL
VS
Overall,
increases
yield
274
to
286
VS,
which
corresponds
increase
4.3%.
Based
results,
feasibility
using
AD
could
be
confirmed,
facilitate
possibility
increased
such
thus
make
supply
more
sustainable.
The
present
study
aimed
to
enhance
the
co-anaerobic
digestion
system
of
mushroom
residues
and
cattle
manure
by
incorporating
sophorolipid.
Results
demonstrated
that
addition
75
mg/L
sophorolipid
increased
cumulative
methane
production
33.68%,
acetate
content
9-10
times,
abundance
dominant
archaea
Methanosarcina
37.67%.
electroactive
microorganisms
(Bacteroides,
Petrimonas,
etc.)
were
enriched,
while
up-regulation
functional
genes
associated
with
carbon
metabolism
was
observed.
Petrimonas
identified
as
predominant
host
involved
in
quorum
sensing
riboflavin
production.
supplementation
significantly
enhanced
its
during
late
anaerobic
period
(by
10.95%-39.34%).
Metagenomic
assembly
genome
analysis
further
validated
potential
engaged
findings
highlight
significant
role
riboflavin-mediated
interspecies
electron
transfer
digestion,
particularly
under
intervention.
results
emphasize
crucial
function
biosurfactant
enhancing
efficiency
digestion.
Scientific and Social Research,
Год журнала:
2024,
Номер
6(5), С. 246 - 254
Опубликована: Июнь 11, 2024
This
study
explores
a
new
way
of
utilizing
biomass
waste
as
fertilizer
based
on
the
hydrothermal
heat
treatment
method.
Hydrothermal
was
carried
out
common
waste,
including
corn
stalks,
livestock
manure,
and
vegetable
waste.
by
heating
them
to
120°C
then
240°C
respectively,
while
measuring
contents
organic
matter,
total
nutrients,
humus
in
solid
products.
The
experimental
results
are
follows.
With
increase
temperature,
pH
three
kinds
products
is
reduced
different
degrees.
content
matter
stalk
increased
with
opposite
that
stalk,
pig
manure
higher
than
30%
at
temperatures.
nutrient
product
decreased
first
reached
minimum
value
10.12
g/L
180°C.
showed
negative
correlation
raw
material
60.55
g/kg.
after
temperature
treatments
41.8–59.03
g/kg,
which
lower
materials.
humic
acid
decreased,
continued
temperature.
At
210°C,
fulvic
maximum,
humification
rate
maximum
0.856.
