Frontiers in Advanced Materials Research,
Год журнала:
2024,
Номер
unknown, С. 54 - 63
Опубликована: Дек. 29, 2024
Heavy
metal
(HM)
pollution
has
slowly
but
surely
crept
into
the
list
of
direst
issues
being
faced
by
mankind.
It
usually
results
in
a
myriad
complications
for
environment
as
well
human
health.
Conventional
techniques
treatment
HM
are
sometimes
not
effective
under
certain
conditions.
Treatment
is
currently
explored
utilizing
biological
activity
plants,
algae,
fungi,
etc.
Positive
outcomes
have
been
demonstrated,
especially
algae.
Thus,
phycoremediation
arisen
an
alternative,
green
method
solving
this
issue.
Green
algae
were
isolated
from
Kolavai
lake
and
then
cultivated
Erlenmeyer
flasks
room
After
growth,
cells
harvested
centrifugation
filtration
dried
24
hr
at
high
temperatures.
Powdered
biomass
was
added
to
aqueous
solutions
containing
Chromium
different
concentrations
with
fixed
dosage.
Results
showed
that
30ppm
favored
Cr3+
uptake
biosorbent.
Next,
effect
pH
studied
on
adsorption
rate.
indicated
pHincreased,
found
decreased,
thus
confirming
low
favors
sorption.
AAS
had
biosorbent
even
provided
possible
alternative
conventional
techniques.
Separations,
Год журнала:
2025,
Номер
12(2), С. 32 - 32
Опубликована: Янв. 27, 2025
Developing
algae
cultivation
for
food,
chemicals,
and
bio-energy
generates
a
significant
amount
of
algal
waste/residue
after
utilization.
Meanwhile,
harmful
blooms
caused
by
abnormal
proliferation
various
produce
large
biomass,
posing
serious
harm
to
human
health,
the
environment
economy.
Converting
body
biochar
is
crucial
method
with
which
take
advantage
this
resource.
Biochar
usually
has
specific
surface
area,
developed
pore
structure,
high
cation
exchange
capacity
rich
functional
groups.
With
stable
physical/chemical
properties
easy
modification
techniques,
posited
as
an
ideal
adsorption
material.
From
perspective
biomass
utilization,
paper
reviews
preparation
methods,
structural
characteristics,
physicochemical
environmental
implications
biochar.
The
effect
mechanisms
on
nutrients,
heavy
metals,
organic
matter
in
water
are
introduced.
In
light
current
research
status,
challenges
faced
practical
application
algae-derived
materials
pointed
out,
direction
also
developed,
view
providing
reference
further
utilization
IOP Conference Series Earth and Environmental Science,
Год журнала:
2025,
Номер
1448(1), С. 012012 - 012012
Опубликована: Фев. 1, 2025
Abstract
Growing
environmental
concerns
have
spurred
extensive
research
and
innovation
in
sustainable
materials.
Hydrochar,
produced
from
biomass
through
hydrothermal
carbonization,
has
emerged
as
a
versatile
solution
with
potential
for
various
applications.
This
study
examines
the
role,
challenges,
global
perspectives
on
hydrochar
patents
derived
biomass.
Despite
increasing
interest,
significant
knowledge
gaps
remain
understanding
full
landscape
impact
of
patents.
We
analysed
211
patent
documents
116
simple
families,
primarily
within
Chemistry
metallurgy
categories,
sourced
lens.org.
Our
findings
reveal
that
activity
is
concentrated
four
key
regions:
The
United
States,
WIPO,
China,
Europe.
These
showcase
innovations
production
techniques,
applications,
benefits.
Several
notable
trends
challenges
emerged.
First,
there
considerable
focus
enhancing
efficiency
scalability
diverse
sources.
Second,
hydrochar’s
multifunctional
applications
are
emphasized,
spanning
soil
enhancement,
water
purification,
renewable
energy.
However,
regarding
economic
viability
standardization
application
processes.
offers
comprehensive
analysis
current
landscape,
providing
insights
into
efforts
advancements
biomass-derived
technologies.
It
underscores
need
continued
collaboration
to
address
limitations.
Future
should
aim
optimize
reduce
costs,
explore
new
ultimately
sustainability
Abstract
Urbanization
and
industrialization
generate
vast
amounts
of
solid
waste,
posing
significant
threats
to
the
biotic
abiotic
components
environment.
Solid
wastes-derived
carbonaceous
catalysts
(SW-CCs)
represent
an
effective
strategy
for
resource
utilization,
SW-CCs
are
gradually
applied
in
environmental
remediation
energy
fields.
However,
effects
properties
on
their
catalytic
activity
remain
inadequately
understood.
A
comprehensive
review
applications
fields
is
yet
be
achieved.
It
necessary
systematically
latest
research
progress
First
all,
this
summarizes
influences
various
factors
how
these
affect
activity.
Subsequently,
it
explores
recent
existing
issues
(persulfate
activation,
photocatalysis,
Fenton-like
oxidation)
sector
(H
2
production,
biodiesel
CO
conversion).
Finally,
future
prospects
recommendations
provided
facilitate
further
development
application
SW-CCs.
This
offers
new
insights
into
utilization
waste
efficient
practical
catalysts.
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