BIO Web of Conferences,
Journal Year:
2024,
Volume and Issue:
147, P. 01009 - 01009
Published: Jan. 1, 2024
Rivers
are
essential
water
sources
but
increasingly
polluted
by
urban
waste
containing
heavy
metals
and
harmful
bacteria.
An
effective
solution
is
optimizing
an
eco-friendly
hyacinth
cellulose
aerogel
shrimp
shell
nano-chitosan
for
metal
adsorption
coliform
bacteria
filtration.
This
study
extracted
from
(S-EG)
chitosan
shells,
followed
synthesis
formulation
with
three
cellulose-to-nano-chitosan
ratios:
F1
(2:1),
F2
(1:1),
F3
(1:2).
Gel
precursors
were
characterized,
filtration
capacities
tested
to
identify
the
optimal
formula.
Results
showed
yields
of
12.46%
S-EG,
11.23%
chitosan,
80%
nano-chitosan.
Among
formulas,
had
best
properties,
including
80.16%
gel
content,
143.41%
swelling
ratio,
3630
cPs
viscosity.
The
achieved
97%
porosity,
a
surface
area
243.5
m
2
/g,
low
density
0.07
g/cm
3
.
Adsorption
significant,
reaching
99.5%
Cu,
88.68%
Zn,
7.33%
Pb,
along
30%
reduction
in
E.
coli
These
findings
indicate
that
1:2
highly
promising
as
sustainable
bacterial
systems.
Food Hydrocolloids,
Journal Year:
2024,
Volume and Issue:
156, P. 110345 - 110345
Published: June 23, 2024
The
following
study
deals
with
the
preparation
of
starch
and
starch-cellulose
aerogels.
addition
cellulose
nanocrystals
bacterial
nanocellulose
to
led
composite
aerogels
remarkable
properties,
e.g.,
high
surface
areas,
adsorption
capacities,
outstanding
morphological
characteristics.
Specific
areas
up
220
m2/g
have
been
reached.
As
content
in
increased,
textural,
thermal,
properties
improved
significantly.
behavior
was
studied,
investigate
their
swelling
stability
aqueous
media.
Lastly,
were
impregnated
xanthohumol
usnic
acid.
presence
aerogel
sorption
capacity
intake.
preserved
highly
porous
sophisticated
structures.