Feasibility of nitrogen and phosphorus removal from treated wastewater using microalgae and potential microalgae use as biofertilizer
Journal of Water Process Engineering,
Год журнала:
2025,
Номер
70, С. 107023 - 107023
Опубликована: Янв. 25, 2025
Язык: Английский
Microalgae and Black Soldier Fly Larvae as Sustainable Methods for Decentralized Sewage Treatment in Sub-Saharan Africa
Ali Shee,
Mariam N. Swaleh,
L. Abubakar
и другие.
IntechOpen eBooks,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 13, 2025
Human
population
in
many
African
countries
is
on
upward
trajectory
resulting
increased
waste
generation.
Currently,
the
generation
of
human
wastes
supersedes
their
collection,
treatment
and
disposal.
Sewage
management
therefore
a
major
problem.
Available
traditional
sewage
systems
comprise
pit
latrines,
soak
pits,
cesspools,
septic
tank-soakage
pits.
Non-traditional,
but
conventional
include
constructed
wetlands
(CWs)
municipal
wastewater
plants
(MWWTPs).
Whereas
former
are
largely
ineffective,
CWs
MWWTPs
achieve
significant
detoxification
enabling
reuse
sludge
effluent
water,
require
considerable
land
sizes
coupled
with
high
investments
capital,
operational
maintenance
costs.
Hence
less
common.
Pit-latrines,
cesspools
pits
locally
preferred
due
to
lower
construction
repair
costs,
ineffective
treatment.
Herein,
we
present
opportunities
using
black
soldier
fly
larvae
(BSFL)
microalgae
as
cost-effective
sustainable
methods.
A
deeper
understanding
technicalities
suitability
BSFL
provided.
Microalgae
tailored
for
secondary
into
high-quality
or
discharge
environment.
Accumulated
biomass
convertible
bio-oil,
biofertiliser
biofuel.
relevant
primary
producing
nutrient-rich
frass
biofertilizer.
The
pupae
rich
protein,
fats
fatty
acids
hence
usable
animal
feed.
Significant
gains
obtained
by
combining
batch
processes
employing
pump
treat.
process
requirements,
environmental
socio-economic
benefits
these
methods
presented
guide
decision
making.
Язык: Английский
Establishing microalgal-bacterial biofilm for estuary remediation and the impacts of salinity, nutrients, and hydrodynamic loads on biofilm performances
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116559 - 116559
Опубликована: Апрель 1, 2025
Язык: Английский
The Impact of the Mechanism of Biocarriers on Bacterial–Microbial Symbiosis for Mariculture Wastewater Treatment: Performance and Microbial Community Evolution
Water,
Год журнала:
2025,
Номер
17(8), С. 1127 - 1127
Опубликована: Апрель 10, 2025
Mariculture
wastewater
is
an
intractable
wastewater,
owing
to
its
high
salinity
inhibiting
microbial
metabolism.
The
biocarrier
bacterial–microbial
consortium
(BBM)
and
(BM)
were
developed
investigate
the
mechanism
of
pollutant
degradation
community
evolution.
BBM
exhibited
excellent
mariculture
treatment,
with
highest
removal
for
TOC
(91.78%),
NH4+-N
(79.33%)
PO43−-P
(61.27%).
Biocarriers
accelerated
anaerobic
region
formation,
levels
denitrifying
bacteria
accumulation
improving
nitrogen
in
BBM.
Moreover,
enhanced
production
soluble
products
(SMPs)
(11.53
mg/L)
extracellular
polymeric
substances
(EPSs)
(370.88
mg/L),
which
formation
bacterial
microalgal
flocs
fluorescence
excitation–emission
matrix
(EEM)
results
demonstrated
that
addition
biocarriers
successfully
decreased
aromatic-like
components
anoxic
aerobic
supernatants.
Additionally,
shifted
constitutions
significantly.
provided
microenvironment,
enrichments
Rhodobacteraceae
(66%)
Ruegeria
(70%),
a
satisfying
denitrification
This
study
novel
system
actual
treatment.
Язык: Английский
New insights into microalgal-bacterial immobilization systems for wastewater treatment: mechanisms, enhancement strategies, and application prospects
Bioresource Technology,
Год журнала:
2025,
Номер
unknown, С. 132609 - 132609
Опубликована: Апрель 1, 2025
Язык: Английский
Impact of light spectrum on outdoors tubular photobioreactors used for microalgae-based wastewater treatment
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
unknown, С. 114884 - 114884
Опубликована: Ноя. 1, 2024
Язык: Английский
Microalgae biofilm barrier to assist the simultaneous nitrogen and phosphorus removal in anammox: Molecular mechanism on sludge granulation and microbial metabolism
Chemical Engineering Journal,
Год журнала:
2024,
Номер
unknown, С. 157887 - 157887
Опубликована: Ноя. 1, 2024
Язык: Английский
Coupling Iron Coagulation and Microalgal–Bacterial Granular Sludge for Efficient Treatment of Municipal Wastewater: A Proof–of–Concept Study
Water,
Год журнала:
2024,
Номер
16(21), С. 3035 - 3035
Опубликована: Окт. 23, 2024
The
rapid
expansion
of
global
urbanization
and
industrialization
has
significantly
increased
the
discharge
municipal
wastewater,
leading
to
issues
carbon
emissions
energy
consumption
when
using
traditional
biological
treatment
processes.
This
study
proposes
an
innovative
process
that
couples
iron
coagulation
with
microalgal–bacterial
granular
sludge
(MBGS),
optimization
regulation
based
on
operational
conditions.
found
performance
achieved
optimal
levels
at
concentration
25
mg/L
anionic
polyacrylamide
1
mg/L,
which
could
remove
approximately
61%
organics
over
90%
phosphorus
from
raw
wastewater.
By
relying
heterotrophic
microorganisms,
such
as
Proteobacteria,
Bacteroidota,
Chloroflexi,
along
synergistic
interaction
between
algae
bacteria,
subsequent
MBGS
further
effectively
day-night
cycles.
Moreover,
addition
inorganic
sources
NaHCO3
abundance
denitrification-related
genes,
reduced
accumulation
nitrite
within
MBGS,
led
effective
total
nitrogen
removal.
These
results
indicate
coagulation–MBGS
coupling
can
efficiently
treat
offering
potential
for
environment-sustainable
pollutant
removal
consumption.
findings
provide
valuable
insights
practical
engineering
application
in
wastewater
systems
aiming
carbon-neutral
treatment.
Язык: Английский