Typical pollutants in secondary water supply systems: Source, spread, and elimination
Gaolei Liu,
No information about this author
Zhenghao Yan,
No information about this author
Rong Mao
No information about this author
et al.
Journal of Water Process Engineering,
Journal Year:
2025,
Volume and Issue:
70, P. 106926 - 106926
Published: Jan. 9, 2025
Language: Английский
Alum sludge-driven electro-phytoremediation in constructed wetlands: a novel approach for sustainable nutrient removal
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(4), P. 2947 - 2957
Published: Jan. 1, 2025
In
addition
to
their
advantages
as
promising
methods
for
wastewater
treatment,
CWs
exhibit
poor
performance
in
terms
of
N
and
P
removal
efficiency
the
effluent
treatment
plants.
By
focusing
on
this
issue,
we
designed
integrated
with
a
biochar-doped
activated
carbon
cloth
(ACC)
electrode
alum
sludge
from
water
plants
substrate
achieve
concomitant
organic
matter
nutrient
efficiency.
Compared
use
one
layer
(CWs-C3)
ACC
electrodes
inserted
two
layers,
which
uses
sludge,
significant
improvement
was
achieved
(96%
COD;
89%
TN;
77%
TP).
The
findings
revealed
that
application
potential
accompanied
by
insertion
cathode
into
first
beneficial
completing
nitrification
facilitating
denitrification
anode
regions,
respectively,
resulting
increased
nutrients.
Further
evaluation
TN-TP
synergetic
mechanism
influenced
Fe2+
an
electron
donor
driving
force
development
autotrophic
denitrifying
bacteria
increase
nitrate
reduction.
Additionally,
formation
FePO4
AlPO4
adsorption
through
interaction
FeOOH
AlOOH
phosphate
constitute
main
TP
wastewater.
Another
reason
CW-C3
reactor
greater
abundance
microbial
diversity
effectuated
regions.
summary,
strategy
simultaneously
promoting
nutrients
utilizing
large
scale
practical
applications
proposed.
Language: Английский
Date Seed-Derived Activated Carbon: A Comparative Study on Heavy Metal Removal from Aqueous Solutions
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(6), P. 3257 - 3257
Published: March 17, 2025
The
presence
of
heavy
metals
in
groundwater
and
wastewater
has
been
a
concern
for
health
organizations.
This
study
investigated
the
effectiveness
activated
carbon
derived
from
various
natural
precursors,
including
acorns
red
oak
trees
(Quercus
rubra),
date
seeds,
peach
employing
thermal
activation
method
removal
aqueous
solutions.
Batch
adsorption
tests
effects
sorbent
quantity,
pH
levels,
disinfectant
presence,
dissolved
organic
matter
(DOM)
on
efficiency
Pb
Cu.
Characterization
prepared
was
conducted
using
scanning
electron
microscopy
(SEM).
Lead
diminished
at
7
relative
to
3
5,
but
copper
exhibited
superior
efficiencies
compared
5.
addition
monochloramine
4
parts
per
million
(ppm)
effectively
eliminated
lead
solution.
A
rise
free
chlorine
concentration
2
mg/L
led
reduction
metal
water
by
20
60%.
DOM
concentrations
1
6
reduced
efficacy
mg/L.
Date
seed-activated
carbons
underscore
their
distinctive
potential,
offering
useful
insights
enhancement
treatment
systems.
Language: Английский
EFFECT OF THERMAL DRYING ON THE PHYSICO-CHEMICAL AND MICROBIOLOGICAL CHARACTERISTICS OF DRINKING WATER TREATMENT SLUDGE
Cleaner Engineering and Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100947 - 100947
Published: March 1, 2025
Language: Английский
Removal of multiple metals from real wastewater combining sludges with carbon black and chitosan: integrating sustainable remediation and waste recycling
Noemi Colozza,
No information about this author
Alessio Mattiello,
No information about this author
Leonardo Duranti
No information about this author
et al.
Journal of environmental chemical engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 116660 - 116660
Published: April 1, 2025
Language: Английский
Harnessing Explainable AI for Sustainable Agriculture: SHAP-Based Feature Selection in Multi-Model Evaluation of Irrigation Water Quality Indices
Water,
Journal Year:
2024,
Volume and Issue:
17(1), P. 59 - 59
Published: Dec. 29, 2024
Irrigation
water
quality
is
crucial
for
sustainable
agriculture
and
environmental
health,
influencing
crop
productivity
ecosystem
balance
globally.
This
study
evaluates
the
performance
of
multiple
deep
learning
models
in
classifying
Water
Quality
Index
(IWQI),
addressing
challenge
accurate
prediction
by
examining
impact
increasing
input
complexity,
particularly
through
chemical
ions
derived
indices.
The
tested
include
convolutional
neural
networks
(CNN),
CNN-Long
Short-Term
Memory
(CNN-LSTM),
CNN-bidirectional
Long
(CNN-BiLSTM),
Gated
Recurrent
Unit
(CNN-BiGRUs).
Feature
selection
via
SHapley
Additive
exPlanations
(SHAP)
provided
insights
into
individual
feature
contributions
to
model
predictions.
objectives
were
compare
16
identify
most
effective
approach
IWQI
classification.
utilized
data
from
166
wells
Algeria’s
Naama
region,
with
70%
training
30%
testing.
Results
indicate
that
CNN-BiLSTM
outperformed
others,
achieving
an
accuracy
0.94
area
under
curve
(AUC)
0.994.
While
CNN
effectively
capture
spatial
features,
they
struggle
temporal
dependencies—a
limitation
addressed
LSTM
BiGRU
layers,
which
further
enhanced
bidirectional
processing
model.
importance
analysis
revealed
index
(qi)
qi-Na
was
significant
predictor
both
Model
15
(0.68)
(0.67).
qi-EC
showed
a
slight
decrease
importance,
0.19
0.18
between
models,
while
qi-SAR
qi-Cl
maintained
similar
levels.
Notably,
included
qi-HCO3
minor
score
0.02.
Overall,
these
findings
underscore
critical
role
sodium
levels
predictions
suggest
areas
enhancing
performance.
Despite
computational
demands
model,
results
contribute
development
robust
management,
thereby
promoting
agricultural
sustainability.
Language: Английский