Minerals,
Journal Year:
2023,
Volume and Issue:
13(9), P. 1186 - 1186
Published: Sept. 10, 2023
Bioleaching
exhibits
high
potential
for
the
processing
of
low-grade
complex
mineral
resources.
With
development
economy
and
an
increase
in
demand,
rare
earth
elements
(REEs)
secondary
resources,
such
as
phosphogypsum,
red
mud
coal-related
are
gaining
more
attention.
In
this
review,
bioleaching
performance
diverse
microorganisms
is
summarized
compared
primary
(mainly
monazite)
REE
based
on
publications
from
past
decade.
The
characteristics
these
resources
different,
they
can
be
found
phosphate,
sulfate,
or
silicate
forms.
Correspondingly,
microbial
species
suitable
use
differ.
most
efficient
microbe
monazite
Paecilomyces
sp.,
while
Acidianus
manzaensis
effective
mud.
Acidophilic
sulfur
oxidizers
acidic
phosphogypsum.
Acidithiobacillus
thiooxidans
could
recover
a
significant
amount
REEs
coal
fly
ash.
particular,
has
content
but
extremely
low
efficiency
to
that
supporting
understanding
approaches
competitive
minerals
with
contents.
Overall,
great
progress
been
made
over
last
decade,
considerable
recovery
rates
have
achieved,
main
metabolites
microbes
were
identified.
However,
numerous
challenges
still
exist.
Future
efforts
should
focus
improving
biorecovery
efficiency,
reducing
cost
cell-culture
media,
exploring
interaction
mechanism
between
cells
minerals,
emphasis
mineralogical
phase
transformations
molecular
regulation
mechanisms
inside
during
process.
Energy & Fuels,
Journal Year:
2022,
Volume and Issue:
36(8), P. 4198 - 4223
Published: April 4, 2022
The
production
of
fertilizers
has
been
evolving
steadily
in
the
last
300
years.
It
involves
a
high
number
commodities
and
reagents
that
share
large
portion
costs
emissions
greenhouse
gases
(GHGs),
particularly
carbon
dioxide
(CO2).
Phosphorus,
nitrogen,
potassium
components
represent
more
than
200
million
tonnes
annually.
Given
most
fertilizer
process
is
dependent
on
fossil
fuels
as
fuel
feedstock,
amount
CO2
generated
at
least
3
per
tonne
fertilizer.
introduction,
future,
less
intensive
technological
lower
energy-consuming
separation
catalytic
technologies
industry
potential
to
reduce
drastically.
In
this
review,
we
thoroughly
analyze
GHG
over
time
explore
pathways
achieve
viable
sustainable
decarbonization
solutions.
also
aim
explore,
whenever
information
available,
factors
(sources)
ranges
different
value
chains
plants.
As
result,
an
overview
literature
from
synthetic
(N,
P,
K)
industries
will
be
given.
More
emphasis
stem
extraction
raw
materials
final
products
(energy
source,
efficiency,
type)
transportation
intermediates
within
sites
plants
(vehicle
type,
efficiency).
A
perspective
analysis
possible
recommendations
for
future
net-zero
capture
made.
Journal of Environmental Science and Health Part A,
Journal Year:
2022,
Volume and Issue:
57(9), P. 746 - 763
Published: July 29, 2022
AbstractAbstractPhosphogypsum
(PG)
is
a
by-product
of
the
phosphate
fertilizer
industry
that
produced
during
phosphoric
acid
production
process.
Annual
global
PG
ranges
between
100
to
300
Mt,
with
only
15%
utilized
while
rest
usually
placed
on
large
dumps
potential
serious
human
and
environmental
impacts.
The
aim
this
study
give
an
overview
evaluate
existing
uses
extend
from
soil
stabilization
cement
chemical
for
agricultural
geotechnical,
impacts,
applications.
More
specifically,
can
be
used
as
substitute
in
industry,
building
materials
road
construction,
improvement,
raw
material
some
chemicals,
backfilling
rehabilitation
abandoned
mines
quarries,
recovery
gypsum
extraction
rare
earth
elements
signifies
importance
cyclic
economy.
paper
offers
extensive
PG,
discusses
their
adequacy,
reveals
widely
under
certain
conditions,
rather
than
disposed
waste
stockpiles.Keywords:
Uses
phosphogypsumsoil
stabilizationagriculturerehabilitation
quarries
Data
availability
statementThe
data
presented
review
are
openly
available
according
respective
reference
number
appears
text
tables.FundingThe
author(s)
reported
there
no
funding
associated
work
featured
article.
Phosphorus, sulfur, and silicon and the related elements,
Journal Year:
2023,
Volume and Issue:
199(2), P. 129 - 148
Published: Nov. 17, 2023
Phosphogypsum
(PG)
is
an
acidic
by-product
that
created
during
the
production
of
phosphoric
acid
using
sulfuric
route.
The
management
PG
poses
a
significant
environmental
challenge
worldwide
due
to
its
large
quantity
and
chemical
composition.
While
primarily
consists
calcium
sulfate
dihydrate,
it
also
contains
various
impurities
such
as
phosphorus,
fluoride,
heavy
metals,
radionuclides.
These
toxic
impurities,
when
present
in
high
concentrations,
can
have
adverse
effects
on
environment
human
health.
In
this
review,
we
provide
detailed
examination
behavior
most
abundant
found
PG.
Furthermore,
discuss
factors
influence
presence
different
types
Understanding
overall
these
crucial
for
selecting
appropriate
methods
identifying
suitable
avenues
valorization.
