Energy Science & Engineering,
Journal Year:
2022,
Volume and Issue:
10(12), P. 4708 - 4725
Published: Sept. 13, 2022
Abstract
Biochar
(BC)
was
prepared
by
carbonizing
sludge
from
agricultural
lignocellulosic
waste
fermentation
and
then
used
to
adsorb
lambda‐cyhalothrin
(LM),
malathion
(MA),
oxamyl
(OX)
as
potential
pesticides
in
agrochemical
industrial
wastewater.
Additionally,
the
photodegradation
performance
of
ZnO
ZnO/Fe
evaluated
using
various
catalyst
doses
a
constructed
parabolic
solar
collector
reactor.
The
optimal
dose
reaction
time
1.0
g/L
135
min.
OX,
MA,
LM
removal
increased
38%,
30%,
24%
pristine
55%,
70%,
46.9%
case
addition
BC
with
(ZnO/BC),
respectively.
doping
iron
did
not
improve
efficiency
due
reduction
crystallinity
affinity
towards
pollutants
after
introducing
those
ions.
mechanism
degradation
proposed,
by‐products
generated
were
identified.
total
cost
estimated
for
pure
ZnO,
iron‐doped
(ZnO/Fe/BC).
highest
binding
energy
−44.74
recorded
BC–OX
complex,
followed
BC–LM
at
−42.97.
adsorption
LM,
OX
ZnO/BC
is
primarily
hydrophobic
interaction,
hydrogen
bonding,
π–π
interaction.
After
three
cycles
recycling
ZnO/BC,
remained
55–52.5%
70–65%
46.9–42.8%
indicating
excellent
reusability
stability
composite
catalyst.
low
solar‐light‐driven
process
may
technique's
feasibility
large‐scale
implementation.
Environmental Chemistry Letters,
Journal Year:
2022,
Volume and Issue:
21(1), P. 97 - 152
Published: Oct. 8, 2022
Abstract
The
development
and
recycling
of
biomass
production
can
partly
solve
issues
energy,
climate
change,
population
growth,
food
feed
shortages,
environmental
pollution.
For
instance,
the
use
seaweeds
as
feedstocks
reduce
our
reliance
on
fossil
fuel
resources,
ensure
synthesis
cost-effective
eco-friendly
products
biofuels,
develop
sustainable
biorefinery
processes.
Nonetheless,
in
several
biorefineries
is
still
infancy
stage
compared
to
terrestrial
plants-based
lignocellulosic
biomass.
Therefore,
here
we
review
seaweed
with
focus
production,
economical
benefits,
feedstock
for
anaerobic
digestion,
biochar,
bioplastics,
crop
health,
food,
livestock
feed,
pharmaceuticals
cosmetics.
Globally,
could
sequester
between
61
268
megatonnes
carbon
per
year,
an
average
173
megatonnes.
Nearly
90%
sequestered
by
exporting
deep
water,
while
remaining
10%
buried
coastal
sediments.
500
gigatonnes
replace
nearly
40%
current
soy
protein
production.
Seaweeds
contain
valuable
bioactive
molecules
that
be
applied
antimicrobial,
antioxidant,
antiviral,
antifungal,
anticancer,
contraceptive,
anti-inflammatory,
anti-coagulants,
other
cosmetics
skincare
products.
Catalysts,
Journal Year:
2024,
Volume and Issue:
14(7), P. 420 - 420
Published: June 30, 2024
This
review
article
provides
useful
information
on
TiO2
and
ZnO
photocatalysts
their
derivatives
in
removing
organic
contaminants
such
as
dyes,
hydrocarbons,
pesticides,
etc.
Also,
the
reaction
mechanisms
of
were
investigated.
In
addition,
impact
adding
metallic
(e.g.,
Ag,
Co,
Pt,
Pd,
Cu,
Au,
Ni)
non-metallic
C,
N,
O,
S)
cocatalysts
to
structure
photodegradation
efficiency
compounds
was
thoroughly
studied.
Moreover,
advantages
disadvantages
various
synthesis
procedures
nanocatalysts
discussed
compared.
Furthermore,
photocatalyst
dosage,
structure,
contaminant
concentration,
pH,
light
intensity
wavelength,
temperature,
time
According
previous
studies,
led
a
remarkable
enhancement
stability
reusability.
attached
demonstrated
photocatalytic
contaminants.
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 12, 2024
Herein,
we
explore
the
holistic
integration
of
magnetite-based
photocatalysts
and
techno-economic
analysis
(TEA)
as
a
sustainable
approach
in
wastewater
treatment
aligned
with
Sustainable
Development
Goals
(SDGs).
While
considerable
attention
has
been
devoted
to
photocatalytic
dye
degradation,
nexus
between
these
processes
considerations
remains
relatively
unexplored.
The
review
comprehensively
examines
fundamental
characteristics
photocatalysts,
encompassing
synthesis
methods,
composition,
unique
properties.
It
investigates
their
efficacy
addressing
homogeneous
heterogeneous
aspects
while
discussing
strategies
optimize
photodegradation
efficiency,
including
curbing
electron-hole
recombination
mitigating
scavenging
effects
interference
by
ions
humic
acid.
Moreover,
management
are
examined,
focusing
on
reusability
regeneration
post-dye
removal,
along
potential
for
reusing
treated
relevant
industrial
applications.
From
perspective,
study
evaluates
financial
feasibility
deploying
treatment,
correlating
reduced
pollution
marketing
water
social,
economic,
environmental
objectives.
By
advocating
TEA,
this
paper
contributes
insights
into
scalable
profitable
practices.
underscores
alignment
practices
SDGs,
emphasizing
comprehensive
managing
ways
that
meet
environmental,
societal
Contamination
of
water
by
ciprofloxacin
has
become
a
significant
concern
due
to
its
adverse
health
effects
and
growing
evidence
antimicrobial-resistant
gene
evolution.
To
this
end,
chemically
modified
bamboo
biochar
was
prepared
from
sawdust
effectively
remove
(CIP)
an
aqueous
solution.
Under
similar
adsorption
conditions,
the
(MBC)
excellent
CIP
removal
efficiency
(96%)
compared
unmodified
(UBC)
(45%).
Thus,
MBC
used
in
batch
experiments,
process
optimized
with
central
composite
design
(CCD)
framework
response
surface
methodology
(RSM).
Sorption
parameters
such
as
initial
concentration,
pH,
adsorbent
dose,
contact
time
were
studied
found
have
effect
on
removal.
The
optimal
obtained
at
dose
(0.5
g
L
-1
),
concentration
(20
mg
pH
(7.5),
(46
min).
kinetic
data
well
described
pseudo-second-order
model
([Formula:
see
text]),
both
Langmuir
text])
Freundlich
models
gave
best
fit
isotherm
analysis.
maximum
monolayer
capacity
78.43
based
model.
These
results
suggest
that
mainly
controlled
chemisorption.
Moreover,
endothermic
spontaneous.
Overall,
is
low-cost,
efficient,
recyclable
for
eliminating
emerging
contaminants
