Current status and performance evaluation of emerging advanced remediation techniques for the removal of steroidal hormones in water
Environmental Chemistry and Ecotoxicology,
Journal Year:
2024,
Volume and Issue:
6, P. 315 - 337
Published: Jan. 1, 2024
Language: Английский
Carbon source regulation of microalgal-fungal system for the resource recovery of wastewater: A review
Qirui Wu,
No information about this author
Yue Teng,
No information about this author
Wei Wang
No information about this author
et al.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
488, P. 150851 - 150851
Published: March 30, 2024
Language: Английский
Microwave-assisted CuO-modified porous ZnO nanosheet for photocatalytic degradation of organic pollutants and antibacterial inactivation
Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
unknown, P. 114453 - 114453
Published: Oct. 1, 2024
Language: Английский
Removal processes and estrogenic activity of bisphenol—A and triclosan using microalgae
Algal Research,
Journal Year:
2024,
Volume and Issue:
82, P. 103670 - 103670
Published: Aug. 1, 2024
This
study
aimed
to
evaluate
the
effect
of
microalgal
photoautotrophic
treatment
on
estrogenic
activity
(EA)
and
removal
process
two
emerging
contaminants
(ECs),
bisphenol-A
(BPA)
triclosan
(TCS),
in
synthetic
wastewater
(SWW).
The
concentration
used
for
BPA
(17
mg/L)
TCS
(325
μg/L)
is
median
effective
(EC50).
Two
conditions
were
evaluated,
using
a
microalgae
inoculum
≈300
≈500
mg
TSS/L
(Total
Suspended
Solids
per
liter).
For
BPA,
biodegradation
was
found
be
contributing
highest
percentage
removal,
reaching
>40
%
both
initial
(≈300
TSS/L).
TCS,
photodegradation,
with
>28
(sum
direct
indirect
removal).
However,
it
observed
that
TSS
≈
500
mg/L
TSS,
sorption
(adsorption
absorption)
increased
by
≈17
respect
determined
300
mg/L.
Microalgae
treatment,
TSS/L,
resulted
reduction
EA
(by
33
%);
but
1.13-fold
increase
BPA.
No
at
TSS/L.
Both
treatments
>95
≈86
TCS.
removals
quantified
as
3.8
14.4
%,
respectively.
an
ECs
(1.79-fold
1.23-fold
TCS).
Indirect
photodegradation
26.2
14.1
Additionally,
showed
2.4-fold
whilst
17.99
decrease
In
conclusion,
no
linear
correlation
between
EC
removals.
high
efficiencies
well
decreased
Language: Английский
Biodegradation pathways and mechanisms of 17α-ethynylestradiol via functional enzymes in the freshwater microalga Scenedesmus quadricauda
Water Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 123569 - 123569
Published: March 1, 2025
Language: Английский
Biodegradation of 17β‐estradiol by drug‐resistant Stenotrophomonas maltophilia MN08 and Pseudomonas aeruginosa KL10 isolated from the sediment sample
Dunia A. Al Farraj,
No information about this author
Mohamed Ragab Abdel Gawwad,
No information about this author
Mohamed S. Elshikh
No information about this author
et al.
Environmental Quality Management,
Journal Year:
2024,
Volume and Issue:
34(1)
Published: Jan. 27, 2024
Abstract
17
β‐Estradiol
is
produced
by
animals,
and
humans
excreted
through
excreta,
has
endocrine‐disrupting
activity.
Bacterial
degradation
one
of
the
suitable
methods
used
for
removal
β‐estradiol
(E2)
from
natural
environment.
In
this
study,
E2‐degrading
bacteria
were
screened
enriched
sediment
sample
wastewater
Two
bacterial
strains
(
Stenotrophomonas
maltophilia
MN08
Pseudomonas
aeruginosa
KL10)
determined
>70%
E2‐degradation
was
achieved.
The
strain
could
rapidly
remove
approximately
86.5%
±
1.3%
E2
within
7
days
treatment.
addition,
KL10
removed
79.5%
1%
same
period.
Optimized
culture
temperature
pH
medium
improve
E2‐degradation.
results
demonstrated
that
exhibited
maximum
activity
at
35°C,
8.0.
optimal
to
degrade
ranged
7.0
9.0.
level
mixture
systems
can
exhibit
synergistic
individual
87.3%
1.2%
81.4%
1.5%,
respectively.
potential
mixed
system
91.3%
2.9%
under
optimized
conditions
in
which
100
mg/L
served
as
sole
source
carbon
energy.
present
finding
demonstrates
co‐culture
S.
P.
may
provide
a
promising
bio‐treatment
strategy
steroids
wastewater.
Language: Английский
Kinetics of Separate Hydrolysis and Fermentation of Chlorella in Bioethanol Production
E3S Web of Conferences,
Journal Year:
2024,
Volume and Issue:
576, P. 06014 - 06014
Published: Jan. 1, 2024
The
objective
of
this
research
is
to
study
the
hydrolysis
kinetics
Chlorella
using
alpha-amylase
and
gluco-amylase
as
well
fermentation
its
hydrolysate
yeast.
Hydrolysis
was
done
on
microalgae
concentration
60
g/L,
pH
6,
various
temperatures
volumes.
A
pretreatment
carried
out
before
gluco-amylase.
Fermentation
yeast
mass
pH.
model
used
fractal
by
Valjamae.
Valjamae
could
quantitatively
describe
enzymatics
really
well.
At
50°C,
exponential
value
0.57
reaction
rate
constant
0.63,
0.70,
0.76
1/h,
at
volumes
1,2,
3%
v/v.
Temperature
influence
follows
Arrhenius
law
with
an
activation
energy
10.644
kJ/mol
frequency
factor
25.5
1/hour.
During
fermentation,
higher
pH,
constant,
from
3
values
rise
0.22
0.25
In
addition,
because
increases
1
g,
also
increase
0.27
1.45
Language: Английский