Engineering in Life Sciences,
Год журнала:
2018,
Номер
18(7), С. 434 - 439
Опубликована: Апрель 16, 2018
Abstract
This
Mini
Review
gives
an
overview
of
and
respective
references
for
the
current
situation
regarding
global
phosphorus
reserves
legal
P
recovery
using
Germany
as
model.
Apart
from
well‐known
pilot
up
to
industrial/full
scale
techniques,
emerging
chemical
bio‐based
techniques
are
named
without
claiming
be
all‐encompassing.
Special
attention
is
paid
biological
systems
that
reveal
ways
use
renewable
resources
raw
materials.
A
few
chemically
based
like
AirPrex®,
(Ostara)PEARL™,
AshDec®,
RecoPhos®
have
already
been
used
recover
at
a
rate
quality
which
allows
its
sale
fertilizer.
Many
processes
stage
investigation
on
or
laboratory
scale,
e.g.
P‐RoC,
LeachPhos,
Mephrec®.
All
biologically
technologies
P‐Bac
still
early
research
show
promising
results.
Of
all
recovered
materials
struvite,
calcium
phosphate
bound
phosphorous
seem
best
plant
availability.
Although
there
no
ultimate
“one
fits
all”
technology,
potential
P‐recovery
operators
can
choose
wide
range
will
fit
local
material
availability,
economic
ecological
situation.
Biology and Fertility of Soils,
Год журнала:
2020,
Номер
56(3), С. 299 - 317
Опубликована: Янв. 8, 2020
Abstract
Mineral
phosphorus
(P)
fertilizers
support
high
crop
yields
and
contribute
to
feeding
the
teeming
global
population.
However,
complex
edaphic
processes
cause
P
be
immobilized
in
soil,
hampering
its
timely
sufficient
availability
for
uptake
by
plants.
The
resultant
low
use
efficiency
of
current
water-soluble
creates
significant
environmental
human
health
problems.
Current
practices
increase
have
been
inadequate
curtail
these
We
advocate
understanding
plant
physiological
processes,
such
as
requirement,
storage
excess
phytate,
mechanisms,
identify
novel
ways
designing
delivering
plants
improved
uptake.
note
importance
implications
contrasting
role
micronutrients
zinc
iron
stimulating
under
soil
content,
while
inhibiting
fertilization;
this
could
provide
an
avenue
managing
different
fertilization
regimes.
argue
that
improvement
nutritional
value
crops,
especially
cereals,
through
reduced
phytic
acid
increased
contents
should
among
most
important
drivers
toward
development
innovative
fertilizer
products
technologies.
In
paper,
we
present
various
pathways
argument.
Retuning
application
strategies
will
fighting
hunger
micronutrient
deficiencies
humans.
Moreover,
direct
losses
a
result
absorption
Global Change Biology,
Год журнала:
2020,
Номер
26(4), С. 1962 - 1985
Опубликована: Янв. 8, 2020
Abstract
The
availability
of
carbon
(C)
from
high
levels
atmospheric
dioxide
(CO
2
)
and
anthropogenic
release
nitrogen
(N)
is
increasing,
but
these
increases
are
not
paralleled
by
in
phosphorus
(P).
current
unstoppable
changes
the
stoichiometries
C
N
relative
to
P
have
no
historical
precedent.
We
describe
fluxes
over
last
five
decades
that
led
asymmetrical
inputs
biosphere.
identified
widespread
rapid
N:P
ratios
air,
soil,
water,
organisms
important
consequences
structure,
function,
biodiversity
ecosystems.
A
mass‐balance
approach
found
combined
limited
was
likely
reduce
storage
natural
ecosystems
during
remainder
21st
Century,
projected
crop
yields
Millennium
Ecosystem
Assessment
indicated
an
increase
nutrient
deficiency
developing
regions
if
access
fertilizer
limited.
Imbalances
ratio
would
negatively
affect
human
health,
food
security,
global
economic
geopolitical
stability,
with
feedbacks
synergistic
effects
on
drivers
environmental
change,
such
as
increasing
CO
,
climatic
warming,
pollution.
summarize
potential
solutions
for
avoiding
negative
impacts
imbalances
environment,
biodiversity,
climate
health.
Environmental Science & Technology,
Год журнала:
2017,
Номер
51(18), С. 10284 - 10298
Опубликована: Сен. 6, 2017
Phosphorus
(P)
is
an
essential
nutrient
for
all
organisms,
thus
playing
unique
and
critical
roles
at
the
food–energy–water
nexus.
Most
P
utilized
by
human
activities
eventually
converges
into
various
solid
biowastes,
such
as
crop
biomass,
animal
manures,
sewage
sludges.
Therefore,
integration
of
efficient
recovery
practices
biowaste
management
will
not
only
significantly
reduce
dependence
on
limited
geological
resources
but
also
runoff
related
water
contamination
issues
associated
with
traditional
waste
strategies.
This
study
reviews
applications
(hydro)thermal
techniques
treatment
which
can
greatly
facilitate
in
addition
to
volume
reduction,
decontamination,
energy
recovery.
Research
showed
that
speciation
(including
molecular
moiety,
complexation
state,
mineralogy)
experience
significant
changes
during
treatments,
are
impacted
conditions.
Changes
overall
properties
products
alter
mobility
bioavailability
P,
subsequent
reclamation
recycling
efficiency
products.
review
summarizes
recent
progresses
this
direction,
identifies
challenges
knowledge
gaps,
provides
a
foundation
future
research
efforts
targeting
sustainable
nutrient-rich
biowastes.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2016,
Номер
4(8), С. 4280 - 4287
Опубликована: Июнь 9, 2016
The
global
phosphorus
crisis
provided
impetus
to
develop
fertilizers
with
better
P
use
efficiency.
We
tested
layered
double
hydroxides
(LDHs)
as
slow
release
superior
performance
fertilize
strongly
P-fixing
soils.
Mg–Al
LDHs
varying
M2+/M3+
ratios
were
synthesized
NO3–
forms
and
exchanged
HPO42–.
XRD
XANES
spectroscopy
confirmed
the
identity
of
phosphate-exchanged
LDH.
Decreasing
ratio,
i.e.,
increasing
anion
exchange
capacity,
increased
selectivity
adsorption
due
charge
density
LDH
layers.
fertilization
efficiency
(Mg/Al
ratio
2)
was
compared
that
a
soluble
fertilizer
in
two
P-deficient
soils,
an
acid
weathered
soil
calcareous
soil.
P-LDH
up
4.5
times
higher
than
P.
This
likely
related
liming
effect
In
soil,
at
low
doses
only
20%
above
P,
whereas
it
lower
high
doses.
These
overall
encouraging
results
warrant
further
studies
on
boundary
conditions
under
which
P-LDHs
may
outperform
traditional
fertilizers.
Critical Reviews in Environmental Science and Technology,
Год журнала:
2019,
Номер
49(8), С. 695 - 743
Опубликована: Янв. 29, 2019
The
need
for
better
nutrient
management
has
spurred
efforts
towards
more
comprehensive
recycling
of
nutrients
contained
in
human
excreta
to
agriculture.
Research
this
direction
intensified
throughout
the
past
years,
continuously
unfolding
new
knowledge
and
technologies.
present
review
aspires
provide
a
systematic
synthesis
field
by
providing
an
accessible
overview
terminology,
recovery
pathways
treatment
options,
products
rendered
treatment.
Our
suggests
that,
rather
than
focusing
on
specific
pathway
or
product
limited
set
nutrients,
there
is
scope
exploring
how
maximize
combining
individual
including
broader
range
nutrients.
To
end,
finding
ways
effectively
share
consolidate
information
would
be
beneficial.
aims
template
that
facilitate
designing
maximum
recovery,
can
serve
as
foundation
organizing
categorizing
effective
sharing
consolidation.
