Abstract
Water
pollution
has
emerged
as
an
important
concern
because
polluted
water
damages
the
whole
ecosystem.
In
order
to
prevent
loss
of
contaminated
water,
reduced
graphene
oxide‐based
materials
i.e
rGO@Fe3O4
and
rGO@Co3O4
have
been
synthesized.
Synthesized
nanomaterials
were
characterized
by
different
techniques
like
UV–visible
spectroscopy,
EDX,
XRD
which
confirmed
synthesis
with
average
size
3.34
3.07
nm,
respectively.
Functional
groups
involved
in
stabilization
nanocomposites
identified
FTIR
spectrophotometry,
while
crystalline
structure
was
depicted
SEM.
By
optimizing
factors
maximum
%
removal
dyes
96%
94%
for
rhodamine
B
alizarin
R,
respectively,
92%
within
contact
time
20
min
observed
under
tungsten
lamp.
Kinetics
study
revealed
adsorption
mechanism
followed
pseudo
2nd
reaction
R2
values
both
0.98
0.99
synthesized
nanomaterials.
Freundlich
isotherm
best‐fitted
isotherm,
thermodynamics
described
spontaneity
endothermic
nature
mechanism.
Reusability
analyzed
about
5
times,
hydroxyl
radicals
photocatalytic
degradation,
examined
through
types
scavengers.
Environment International,
Год журнала:
2021,
Номер
153, С. 106522 - 106522
Опубликована: Апрель 1, 2021
Microorganisms
can
mediate
arsenic
(As)
and
antimony
(Sb)
transformation
thus
change
the
As
Sb
toxicity
mobility.
The
influence
of
on
innate
microbiome
has
been
extensively
characterized.
However,
how
microbial
metabolic
potentials
are
influenced
by
co-contamination
is
still
ambiguous.
In
this
study,
we
selected
two
contrasting
sites
located
in
Shimen
realgar
mine,
largest
mine
Asia,
to
explore
adaptability
response
soil
impact
potentials.
It
observed
that
geochemical
parameters,
including
fractions,
were
driving
forces
reshaped
community
composition
Bacteria
associated
with
Bradyrhizobium,
Nocardioides,
Sphingomonas,
Burkholderia,
Streptomyces
predicted
be
tolerant
high
concentrations
Sb.
Co-occurrence
network
analysis
revealed
genes
related
C
fixation,
nitrate/nitrite
reduction,
N
sulfate
reduction
positively
correlated
suggesting
biogeochemical
cycling
may
interact
benefit
from
C,
N,
S
cycling.
results
suggest
not
only
influences
As-related
genes,
but
also
other
