New Wine in Old Bottles: The Sustainable Application of Slow Sand Filters for the Removal of Emerging Contaminants, a Critical Literature Review
Sustainability,
Год журнала:
2024,
Номер
16(23), С. 10595 - 10595
Опубликована: Дек. 3, 2024
The
current
treatment
of
wastewater
has
unintended
negative
environmental
impacts.
Conventional
methods
frequently
involve
the
use
harmful
chemicals,
generate
disinfectant
by-products,
consume
significant
amounts
energy,
and
produce
wastes
requiring
additional
efforts
for
safe
disposal.
Water
stress
exacerbated
by
contaminants
emerging
concern
(CECs)
climate
change,
is
further
straining
aging
systems.
A
slow
sand
filter
(SSF),
with
ligno-cellulosic
layers,
offers
a
novel,
promising,
economic
alternative
reclamation.
This
review
examines
key
SSF
characteristics,
obtained
from
recent
studies,
explores
sustainable
materials
such
as
ligno-cellulose,
companion.
optimal
design
includes
bed
depth
>0.6
m,
particle
effective
size
(D10)
between
0.15
mm
0.40
mm,
uniformity
coefficient
(CU
grain
ratio)
≤2.0.
It
established
that
SSF’s
characteristic
biolayer
microorganisms
enhances
contaminant
removal
via
biodegradation.
While
biofilm-based
micropollutants
proven
mechanism,
research
needed
to
address
CEC
challenges.
For
example,
inclusion
sawdust
in
layers
can
reduce
energy
consumption
compared
conventional
be
recycled
through
thermal
conversion,
aligning
circular
economy
principles.
approach
potential
improve
economies,
contributing
achievement
UN
Sustainability
Goals.
Язык: Английский
Biodegradation of Free Cyanide by a New Isolated Alkaliphilic Bacillus licheniformis Strain
Microbiology Research,
Год журнала:
2023,
Номер
15(1), С. 33 - 49
Опубликована: Дек. 21, 2023
Microbial
treatment
of
free-cyanide-polluted
wastewater
is
a
cost-effective,
efficient,
and
eco-friendly
method.
Free-cyanide-degrading
microbial
cultures
were
isolated
from
different
sources
using
batch-enrichment
culture
techniques,
with
acetate
as
the
carbon
source.
Five
able
to
tolerate
grow
at
1500
mg/L
free
cyanide,
which
was
used
only
nitrogen
source
under
strongly
alkaline
conditions
(pH
=
11).
Among
them,
one
bacterial
strain
(B11)
selected
for
further
study
because
its
high
free-cyanide-biodegradation
efficiency.
Bacterial
B11
molecularly
identified
Bacillus
licheniformis
CDBB
B11.
Free
cyanide
inhibited
growth
rate
B.
initial
concentrations
>75
mg/L.
Despite
this,
demonstrated
100%
cyanide-biodegradation
efficiency
ranging
25
75
mg/L,
decreased
32%
concentration
increased
Free-cyanide
biodegradation
corresponds
ammonia
accumulation
in
medium.
The
alkaliphilic
robust
candidate
detoxification
free-cyanide-laden
it
tolerates
efficiently
degrades
up
Язык: Английский
System dynamic modelling to assess the influential factors affecting roughing filter and slow sand filter performance in treating culinary wastewater
Journal of Water Process Engineering,
Год журнала:
2023,
Номер
56, С. 104274 - 104274
Опубликована: Сен. 16, 2023
Язык: Английский
Exploring the antibacterial potential of tunicate-associated bacteria (Ascidiacea) at the shipwreck site of Menjangan Kecil Waters, Karimunjawa
Asia-Pacific Journal of Molecular Biology and Biotechnology,
Год журнала:
2024,
Номер
unknown, С. 127 - 136
Опубликована: Май 8, 2024
Menjangan
Kecil
Island
is
situated
south
of
Karimunjawa
and
boasts
a
rich
diversity
coral
reefs
associated
marine
life,
including
tunicates.
Tunicates,
also
known
as
sea
squirts,
produce
secondary
metabolites
to
defend
against
predators.
This
study
aims
explore
the
antibacterial
potential
tunicate-associated
bacteria
from
shipwrecks
in
Waters.
The
research
adopts
an
exploratory
descriptive
approach.
Seventy-two
bacterial
isolates
were
recovered
five
tunicate
specimens.
Fifteen
exhibited
activity
Vibrio
harveyi,
with
two
isolates,
KJ1.3.02.05
KJ1.4.02.02,
displaying
highest
activity.
Molecular
identification
via
16S
rRNA
gene
amplification
revealed
that
was
Sinomicrobium
oceani
(99.64%
similarity),
KJ1.4.02.02
Bacillus
haynesii
(98.64%
similarity).
Язык: Английский