Abstract
In
recent
years,
various
industrial
and
agricultural
problems
have
been
highlighted,
the
pollution
of
heavy
metal
ions
to
water
bodies
has
become
a
considerable
serious
phenomenon.
Adsorption
method
is
an
efficient,
low‐cost,
easy
implement
for
removing
ions,
which
does
not
produce
secondary
pollution,
widely
used
in
treatment.
Polysaccharides
are
natural
polymers,
their
hydroxyl,
carboxyl,
amine
groups
provide
feasibility
synthesis
hydrogels
with
structures.
The
synthesized
polysaccharide
hydrogel
characteristics
high
adsorption
capacity,
specific
adsorption,
nontoxic,
so
on.
this
review,
kinds
different
methods
were
discussed
first.
Then,
mechanism
modes
reviewed.
Finally,
effects
environmental
factors
on
capacity
studied.
future
research
by
was
proposed.
Applied Sciences,
Год журнала:
2024,
Номер
14(12), С. 5081 - 5081
Опубликована: Июнь 11, 2024
Industrial
evolution
and
agricultural
expansion,
explained
by
continuing
population
growth,
have
rendered
enormous
problems
for
the
world
throughout
past
few
decades,
primarily
because
of
waste
generation.
To
reduce
environmental
impact
dependence
on
fossil
fuels,
scientists
explored
replacing
synthetic
polymers
with
environmentally
friendly
sustainable
alternatives
in
many
emergent
applications.
In
this
regard,
microbial
biopolymers
gained
special
attention.
Many
originating
from
various
strains
bacteria,
fungi,
algae
been
reported
their
possible
applications
increased
rapidly.
This
review
focuses
wide
range
biopolymers,
characteristics,
factors
influencing
production.
The
present
study
also
describes
biopolymers.
use
these
is
very
attractive
as
a
value-added
approach
to
wastewater
treatment.
By
acting
adsorbents,
coagulants,
flocculants
well
filters
membrane
processes,
shine
promising
solutions
beyond
conventional
methods.
They
can
be
integrated
into
stages
treatment
process,
further
enhancing
efficiency
Microbial
biopolymer
bioremediation
soil
stabilization
are
reviewed.
Several
studies
demonstrated
strong
potential
improvement
due
ability
minimize
permeability,
eliminate
heavy
metals,
stabilize
soil,
limit
erosion.
Challenges
related
scaling
up
downstream
processing
its
future
perspectives
applications,
discussed.
Food biomacromolecules.,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 8, 2025
Abstract
Hydrogels
of
natural,
synthetic
and
hybrid
origin
are
used
in
various
food
applications
modern
days.
Among
them,
natural
polymer‐based
hydrogels
becoming
increasingly
popular
the
industry
owing
to
their
structural
diversity,
biocompatibility,
affordability,
biodegradability
non‐toxicity
compared
counterparts.
Furthermore,
product‐associated
environmental
footprint
is
minimal.
Thus,
interest
has
gravitated
toward
developing
utilising
sector.
These
grouped
as
polysaccharide‐based,
protein‐based
composite
hydrogels.
form
edible
films,
encapsulate
control
release
bioactive
flavour
compounds,
3D
printing
fat
substitutes,
additives
stabilisers
industry.
Due
biocompatible
nature,
they
have
shown
great
promise
an
essential
ingredient
a
range
products,
including
dairy
dessert
gels,
yogurt,
confectionery
meat
products.
This
review
provides
comprehensive
overview
recent
(2018–2024),
gelation
mechanisms,
rheology
future
perspectives,
with
special
emphasis
on
significance.
Separations,
Год журнала:
2025,
Номер
12(3), С. 72 - 72
Опубликована: Март 18, 2025
The
rapid
pace
of
global
industrialization
and
population
growth
has
intensified
freshwater
scarcity
water
pollution,
necessitating
urgent
solutions.
Adsorption
technology,
favored
for
its
cost-effectiveness,
simplicity,
scalability,
emerged
as
a
promising
approach.
Hydrogels,
particularly
cellulose-based
hydrogels
(CBHs),
have
gained
significant
attention
green
adsorbents
due
to
their
biodegradability,
non-toxicity,
low
cost,
exceptional
adsorption
capacity.
This
paper
reviews
recent
advancements
in
CBHs
sustainable
wastewater
treatment,
focusing
on
synthesis
techniques,
performance,
mechanisms
removing
heavy
metals,
dyes,
micropollutants.
Updated
applications
outcomes
are
also
discussed.
Despite
advantages,
face
challenges
such
limited
mechanical
strength,
practical
production
difficulties,
insufficient
reuse
studies,
separation
inefficiencies.
review
addresses
these
issues
explores
future
prospects
implementation.
findings
provide
valuable
insights
into
advancing
efficient
treatment
Gels,
Год журнала:
2025,
Номер
11(4), С. 224 - 224
Опубликована: Март 21, 2025
This
study
utilized
the
Schiff
base
reaction
as
a
chemical
bonding
method
to
successfully
graft
2-aminopyridine
onto
oxidized
sodium
alginate,
resulting
in
formation
of
modified
alginate
(OSM).
Subsequently,
OSM/polyacrylic
acid
(OSM/PAA)
hydrogel
was
synthesized
via
thermally
initiated
free
radical
polymerization
process
and
evaluated
an
adsorbent
for
removal
heavy
metal
ions
from
wastewater.
Comprehensive
characterization
prepared
samples
performed
using
FT-IR,
SEM,
TGA.
The
influence
temperature,
pH,
dosage,
contact
time,
ion
concentration
on
adsorption
capacity
OSM/PAA
simulated
wastewater
thoroughly
investigated.
Additionally,
detailed
analysis
thermodynamics,
kinetics,
mechanisms
conducted.
Experimental
results
indicated
that
at
25
°C,
pH
5.0,
dosage
0.4
g/L,
maximum
capacities
Cu(II),
Zn(II),
Ni(II)
were
367.64
mg/g,
398.4
409.83
respectively.
These
findings
suggest
by
is
spontaneous,
heterogeneous
with
significant
potential
practical
applications
treatment.
