The
effect
of
hydrolysate
and
eluate
recirculation
on
the
solubilization
waste
activated
sludge
during
microwave-alkali
treatment
was
examined.
results
showed
that
numbers
had
a
significant
impact
carbon
sources
nutrients
recovery
from
sludge.
As
were
recirculated
twice,
concentrations
sCOD,
PO43-
NH4+
in
increased
by
1.50
5.02,
1.36
5.23,
1.61
4.98
times,
respectively.
And
dissolution
efficiency
COD,
TP,
TN
reached
64.15%,
81.95%,
68.50%,
However,
as
number
further,
their
values
changed
slightly
became
worse.
Longer
elutriation
time
can
effectively
alleviate
problem
low
caused
recirculation.
Furthermore,
strategy
significantly
reduced
generation
66.67%,
water
required
for
process
50.83%.
This
study
demonstrated
is
an
effective
to
improve
ACS symposium series,
Год журнала:
2024,
Номер
unknown, С. 1 - 28
Опубликована: Авг. 21, 2024
The
majority
of
the
hydrogen
produced
today
is
derived
from
fossil
fuels,
with
natural
gas
accounting
for
almost
half
total
production
worldwide
in
2018.
While
coal
remained
a
significant
contributor
to
global
2018,
18%
primarily
due
its
prevalent
use
China,
cleaner
sources
like
electricity
and
oil
each
contributed
only
0.48%.
remaining
fraction
came
by-products
industrial
processes.
Recognizing
transformative
potential
as
clean
energy
carrier
key
enabler
net-zero
goals,
community
embracing
unprecedented
enthusiasm.
Projections
point
towards
expansion,
demand
expected
surge
tenfold
or
more
foreseeable
future.
Hydrogen's
trajectory
has
shown
moderate
growth
28%
increase
since
2010.
However,
studies
predict
leap
fueled
by
strategic
incentives
investments.
By
2050,
under
optimal
conditions,
poised
account
24%
consumption,
individual
countries
potentially
exceeding
this
range.
landscape
climate
action
witnessing
paradigm
shift
potential,
regions
are
diligently
formulating
their
own
development
strategies.
These
country-specific
roadmaps
meticulously
chart
supply
pathways
end-use
applications,
aiming
fuel
transition
economies
carve
out
lucrative
niches
international
market.
With
ambitions
taking
center
stage,
these
nations
actively
crafting
policies
that
directly
incentivize
investments
technologies,
recognizing
pivotal
role
Through
comprehensive
examination
on
green
aims
inform
policymakers,
researchers,
industry
stakeholders,
contributing
ongoing
discourse
sustainable
fostering
deeper
understanding
multifaceted
dimensions
policy
development.
This
chapter
discusses
status
governmental
integration
at
level
achieve
an
effective
framework
production.
Journal of Agricultural and Food Chemistry,
Год журнала:
2023,
Номер
71(46), С. 17689 - 17699
Опубликована: Ноя. 7, 2023
Fungicide
carbendazim
accumulation
in
soils
and
plants
is
a
wide
concern.
Nitrogen
(N)
substantial
nutrient
limiting
crop
growth
affecting
soil
microbial
activity
the
community
degrading
fungicides.
We
investigated
effects
of
urea-hydrogen
peroxide
(UHP)
nitrification
inhibitors
Dicyandiamide
(DCD)
3,4-dimethylpyrazole
phosphate
(DMPP)
on
endophytic
communities.
The
UHP
application
had
negligible
influences
plant
accumulation,
but
combined
DCD
decreased
by
5.31%
DMPP
44.36%.
inhibitor
significantly
ratios
Firmicutes
Ascomycota.
Soil
assembly
was
governed
stochastic
process,
while
deterministic
processes
endophyte.
Our
findings
could
provide
considerable
methods
to
reduce
fungicide
soil–plant
systems
with
agricultural
N
management
strategies.
Biotechnology Journal,
Год журнала:
2024,
Номер
19(3)
Опубликована: Март 1, 2024
Abstract
This
study
first
employed
a
combined
pretreatment
of
low‐dose
peroxy‐disulfate
(PDS)
and
initial
pH
10
to
promote
short‐chain
fatty
acids
(SCFAs)
production
via
acidogenic
fermentation
using
different
types
sewage
sludge
as
substrates.
The
experimental
results
showed
that
the
yield
maximal
SCFAs
acetate
proportion
after
were
1513.82
±
28.25
mg
chemical
oxygen
demand
(COD)/L
53.64%,
promoted
by
1.28
1.56
times
higher,
respectively,
compared
sole
pretreatment.
Furthermore,
in
terms
disintegration
degree
sludge,
it
increased
more
than
18%
with
10.
Waste‐activated
(WAS)
from
A2/O
Bardenpho
processes
biodegradable,
explained
1.47‐
1.35‐times
higher
rate
those
oxidation
ditch
they
favored
dominant
fermentation.
Correlation
analysis
revealed
strong
correlation
(
p
≤
0.01)
between
soluble
COD,
total
proteins,
proteins
soluble‐extracellular
polymeric
substances
(SEPS),
polysaccharides,
polysaccharides
SEPS.
Mechanism
explorations
preoxidation
PDS
enhanced
solubilization
biodegradability
complex
substrates,
altered
microbial
community
structure
during
process.
Firmicutes
Tetrasphaera
proven
play
key
role
improving
SCFA
production,
especially
promoting
converting
additional
into
acetate.
Additionally,
addition
greatly
sulfur
iron‐related
metabolic
activities.
Finally,
was
estimated
be
cost‐effective
solution
for
reutilizing
treating
Fe‐sludge.
