Water,
Journal Year:
2023,
Volume and Issue:
15(11), P. 2076 - 2076
Published: May 30, 2023
In
this
study,
a
sulfur-based
autotrophic
denitrifying
filter
(SADF)
was
developed
for
the
purpose
of
removing
nitrate
from
simulated
recirculating
mariculture
wastewater.
Results
showed
that
over
90%
could
be
effectively
eliminated
by
utilizing
thiosulfate
as
electron
donor,
with
molar
ratio
thiosulfate-S
to
2:1
or
greater.
Additional
batch
tests
confirmed
suitable
sulfur
source
removal
even
without
prior
accumulation
biomass
nitrite.
Excess
had
minor
impact
on
N-removal
efficiency,
so
an
external
not
required
removal,
however,
it
still
help
reduce
and
water
replacement
some
extent.
High-throughput
sequencing
results
illustrated
Thiomicrospira
Thioalkalivibrio
were
dominant
genera
in
SADF,
while
more
significantly
affected
case
insufficient
sources.
As
issue
system
has
been
resolved,
only
small
amount
needs
added
daily.
Therefore,
thiosulfate-based
SADF
process
potential
implemented
systems,
which
present
promising
sustainable
solution
pollution
issue.
Life,
Journal Year:
2024,
Volume and Issue:
14(5), P. 591 - 591
Published: May 6, 2024
Microorganisms
are
key
players
in
the
global
biogeochemical
sulfur
cycle.
Among
them,
some
have
garnered
particular
attention
due
to
their
electrical
activity
and
ability
perform
extracellular
electron
transfer.
A
growing
body
of
research
has
highlighted
extensive
phylogenetic
metabolic
diversity,
revealing
crucial
roles
ecological
processes.
In
this
review,
we
delve
into
transfer
process
between
sulfate-reducing
bacteria
anaerobic
alkane-oxidizing
archaea,
which
facilitates
growth
within
syntrophic
communities.
Furthermore,
review
phenomenon
long-distance
potential
multicellular
filamentous
sulfur-oxidizing
bacteria.
These
bacteria,
with
vast
application
prospects
significance,
play
a
pivotal
role
various
Subsequently,
discuss
important
pili/cytochrome
for
presented
cutting-edge
approaches
exploring
studying
electroactive
microorganisms.
This
provides
comprehensive
overview
microorganisms
participating
By
examining
mechanisms,
applied
implications,
offer
novel
insights
microbial
metabolism,
thereby
advancing
applications
development
sustainable
bioelectronics
materials
bioremediation
technologies.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: June 19, 2023
Abstract
The
objectives
of
the
article
are:
to
assess
spatio-temporal
evolution
eutrophication
and
water
quality
Turawa
dam
reservoir,
located
in
south-western
Poland
on
Mała
Panew
River;
identify
location
relationship
between
potential
sources
physicochemical
pollution
related
progressing
process
eutrophication;
determine
trophic
status
indices
selected
research
object.
analysis
(Mann–Whitney
U
test,
PCA,
HCA,
Spearman
correlation
matrix)
showed
a
high
susceptibility
reservoir
processes,
especially
due
influence
dangerous
loads
compounds
emerging
from
areas
with
tourist
intensity
pollutants
flowing
River.
parameters
deteriorating
ecological
were
TP,
DO,
BOD
5
,
COD.
Considering
cumulative
results
for
period
1998–2020,
average
was
classes
II
or
III.
A
noticeable
deterioration
appeared
years
2016–2020,
which
proves
reservoir.
In
classified
as
eutrophic
mesoeutrophic
based
calculated
three
indices.
This
would
help
developing
strategy
dealing
blooms,
reliable
system
monitoring
pressures
causing
eutrophication,
optimal
technologies
reconstruction
multifunctional
reservoirs.
Current Opinion in Biotechnology,
Journal Year:
2024,
Volume and Issue:
88, P. 103164 - 103164
Published: July 3, 2024
The
sulfur
cycle
is
a
complex
biogeochemical
characterized
by
the
high
variability
in
oxidation
states
of
sulfur.
While
essential
for
life
processes,
certain
compounds,
such
as
hydrogen
sulfide,
are
toxic
to
all
forms.
Micro-organisms
facilitate
cycle,
playing
prominent
role
even
extreme
environments,
soda
lakes,
acid
mine
drainage
sites,
hot
springs,
and
other
harsh
habitats.
activity
these
micro-organisms
presents
unique
opportunities
mitigating
sulfur-based
pollution
enhancing
recovery
metals.
This
review
highlights
application
sulfur-oxidizing
-reducing
environmental
biotechnology
through
three
illustrative
examples.
Additionally,
it
discusses
challenges,
recent
trends,
prospects
associated
with
applications.
