Biochar-supported Fe₃O₄ nanoparticles affects bacterial community diversity and phosphorus speciation transformation during pig manure aerobic composting by generating hydroxyl radicals and hydrogen peroxide
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 115364 - 115364
Опубликована: Янв. 1, 2025
Язык: Английский
Reducing nitrogen losses in chicken manure composting with acetic acid: Importance of rare bacteria in nitrogen transformation during the thermophilic phase
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116130 - 116130
Опубликована: Март 1, 2025
Язык: Английский
Coupling anaerobic digestion with ammonification for the treatment of hydrothermal carbonization liquid: An innovative approach
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116879 - 116879
Опубликована: Май 1, 2025
Язык: Английский
The degradation of biochemical fractions coupled with the dynamics of bacterial community and function driven by Taihu lake blue algae in biodrying of sewage sludge
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 117228 - 117228
Опубликована: Май 1, 2025
Язык: Английский
Ferrous coupling biological pretreatment of straw combined with chicken manure mixed composting promotes the formation of humic acid
Weiye Tao,
Yutong Tang,
Ruifang Li
и другие.
Chemical Engineering Journal,
Год журнала:
2024,
Номер
unknown, С. 158611 - 158611
Опубликована: Дек. 1, 2024
Язык: Английский
Exploring the Influence of Biochar-Supported Nano-Iron Oxide on Phosphorus Speciation Transformation and Bacterial Community Structure in Aerobic Pig Manure Composting Processes
Microorganisms,
Год журнала:
2024,
Номер
12(12), С. 2593 - 2593
Опубликована: Дек. 14, 2024
Existing
studies
have
demonstrated
the
positive
effects
of
nano-sized
iron
oxide
on
compost
maturity,
yet
impact
phosphorus
speciation
and
bacterial
communities
during
composting
process
remains
unclear.
In
this
study,
pig
manure
straw
were
used
as
raw
materials,
with
biochar-supported
(BC-Fe3O4NPs)
an
additive
calcium
peroxide
(CaO2)
a
co-agent,
to
conduct
aerobic
experiment
manure.
Four
treatments
tested:
CK
(control),
F1
(1%
BC-Fe3O4NPs),
F2
(5%
F3
BC-Fe3O4NPs
+
5%
CaO2).
Key
findings
include
following.
(1)
increased
temperatures,
reaching
61℃;
showed
optimal
maturity
(C/N
ratio:
12.90).
(2)
promoted
stable
forms;
Residual-P
proportions
higher
in
F1,
F2,
(25.81%,
51.16%,
51.68%)
than
(19.32%).
(3)
Bacterial
phyla
Firmicutes,
Actinobacteria,
Proteobacteria
dominated.
altered
community
composition,
especially
day
7.
Firmicutes
dominated
CK,
F3;
F2.
At
genus
level,
7
Corynebacterium
(CK),
Clostridum
(F1,
F3),
Caldibacillus
(F2)
predominant.
(4)
Pearson
correlation
analysis
revealed
shifted
correlations
between
forms
after
addition.
positively
correlated
NaOH-OP
thermophilic
phase,
facilitating
phosphate
release
adsorption
by
BC-Fe3O4NPs.
The
significance
diminished
increasing
concentration;
F3,
all
various
forms.
Язык: Английский