Environmental Chemistry Letters,
Год журнала:
2022,
Номер
21(2), С. 1093 - 1116
Опубликована: Ноя. 9, 2022
Abstract
Water
pollution
and
the
unsustainable
use
of
fossil
fuel
derivatives
require
advanced
catalytic
methods
to
clean
waters
produce
fine
chemicals
from
modern
biomass.
Classical
homogeneous
catalysts
such
as
sulfuric,
phosphoric,
hydrochloric
acid
are
highly
corrosive
non-recyclable,
whereas
heterogeneous
appear
promising
for
lignocellulosic
waste
depolymerization,
pollutant
degradation,
membrane
antifouling.
Here,
we
review
sulfonated
graphene
oxide
nanomaterials
improving
membranes,
adsorption
depolymerization
waste,
liquefaction
biomass,
production
chemicals.
We
also
discuss
economy
oil
Sulfonated
display
an
unusual
large
theoretical
specific
surface
area
2630
m
2
/g,
allowing
reactants
easily
enter
internal
nanosheets
reach
active
sites.
is
hydrophobic
has
hydrophilic
groups,
hydroxyl,
carboxyl,
epoxy,
thus
creating
cavities
on
nanosheet’s
surface.
The
capacity
approached
2.3–2.4
mmol
per
gram
naphthalene
1-naphthol.
Concerning
observe
improvement
hydrophilicity,
salt
rejection,
water
flux,
antifouling
properties,
removal.
can
be
reused
several
times
without
losing
activity
due
high
stability
originating
stable
carbon–sulfur
bond
between
sulfonic
group.
Environmental Chemistry Letters,
Год журнала:
2023,
Номер
21(3), С. 1419 - 1476
Опубликована: Фев. 24, 2023
Abstract
Climate
change
issues
are
calling
for
advanced
methods
to
produce
materials
and
fuels
in
a
carbon–neutral
circular
way.
For
instance,
biomass
pyrolysis
has
been
intensely
investigated
during
the
last
years.
Here
we
review
of
algal
lignocellulosic
with
focus
on
products
mechanisms,
oil
upgrading,
combining
anaerobic
digestion,
economy,
life
cycle
assessment.
Products
include
oil,
gas,
biochar.
Upgrading
techniques
comprise
hot
vapor
filtration,
solvent
addition,
emulsification,
esterification
transesterification,
hydrotreatment,
steam
reforming,
use
supercritical
fluids.
We
examined
economic
viability
terms
profitability,
internal
rate
return,
return
investment,
carbon
removal
service,
product
pricing,
net
present
value.
also
reviewed
20
recent
studies
found
that
method
highly
influenced
yield,
ranging
from
9.07
40.59%
10.1
41.25%
biochar,
11.93
28.16%
syngas.
Feedstock
type,
pyrolytic
temperature,
heating
rate,
reaction
retention
time
were
main
factors
controlling
distribution
products.
Pyrolysis
mechanisms
bond
breaking,
cracking,
polymerization
re-polymerization,
fragmentation.
Biochar
residual
forestry
could
sequester
2.74
tons
dioxide
equivalent
per
ton
biochar
when
applied
soil
thus
potential
remove
0.2–2.75
gigatons
atmospheric
annually.
The
generation
bio-oil
process
is
estimated
be
economically
feasible.
Environmental Chemistry Letters,
Год журнала:
2023,
Номер
21(6), С. 3351 - 3375
Опубликована: Авг. 6, 2023
Abstract
Food
loss
and
waste
is
a
major
issue
affecting
food
security,
environmental
pollution,
producer
profitability,
consumer
prices,
climate
change.
About
1.3
billion
tons
of
products
are
yearly
lost
globally,
with
China
producing
approximately
20
million
soybean
dregs
annually.
Here,
we
review
agricultural
byproducts
emphasis
on
the
strategies
to
convert
this
into
valuable
materials.
Byproducts
can
be
used
for
animal
plant
nutrition,
biogas
production,
food,
extraction
oils
bioactive
substances,
production
vinegar,
wine,
edible
coatings
organic
fertilizers.
For
instance,
compounds
represent
8–20%
apple
pomace,
5–17%
orange
peel,
10–25%
grape
seeds,
3–15%
pomegranate
2–13%
date
palm
seeds.
Similarly,
pharmaceutical
industry
uses
6.5%
total
output
gelatin
derived
from
fish
bones
skin.
Animals
fed
peel
olive
pomace
improved
concentration
deoxyribonucleic
acid
protein,
litter
size,
milk
yield,
nest
characteristics.
Biogas
amounts
57.1%
using
residue,
53.7%
papaya
49.1%
sugarcane
bagasse.
Results in Chemistry,
Год журнала:
2024,
Номер
7, С. 101549 - 101549
Опубликована: Янв. 1, 2024
Biogas
is
obtained
from
the
breakdown
of
biomass
by
microorganisms
and
bacteria
in
absence
oxygen.
considered
a
renewable
source
energy,
similar
to
solar
energy
wind
energy.
can
be
produced
or
bio-waste;
thus,
it
environmentally
friendly.
suspended
monoxide
decomposition
process
anaerobic
fermentation
decomposable
materials
such
as
agricultural
manure,
sewage,
municipal
waste,
green
waste
(gardens
parks),
plant
material
products.
natural
that
leaves
effective
effects
on
nature
industries.
This
gas
organic
materials,
including
animal
food
sewage.
Fertilizers
produce
biogas
through
digestion
(ie
without
presence
oxygen).
mixture
gases
generated
decaying
biodegradable
Its
main
contents
are
50–70
%
methane
(CH4)
volume,
30–50
carbon
dioxide
(CO2),
traces
other
gases,
like
hydrogen
sulfide
(H2S)
water
vapor
(H2O).
CO2,
H2S,
content
may
affect
performance
life
conversion
devices;
consequently,
their
removal
before
end-use
essential
for
improving
quality
biogas.
combination
an
ideal
option
making
The
most
important
advantages
(production
reduction
amount
discarded
pathogens,
containing
matter
into
high
fertilizer,
protection
vegetation,
soil,
water,
increasing
productivity
field
livestock
agriculture)
It
also
one
disadvantages
(incomplete
small
technologies,
impurities,
effect
temperature
production,
unsuitable
urban
dense
areas,
not
affordable).
For
economical
use
biogas,
carried
out
under
controlled
conditions
relatively
simple
device
called
reservoir.
review
summarizes
current
state-of-the-art
presents
future
perspectives
related
production.
Moreover,
historical
retrospective
sector
early
years
its
development
till
recent
advancements
give
outlook
opportunities
opening
up
optimization.
Reviews in Environmental Science and Bio/Technology,
Год журнала:
2024,
Номер
23(1), С. 93 - 132
Опубликована: Фев. 20, 2024
Abstract
The
high
metabolic
flexibility
and
biodiversity
of
microalgae
make
them
promising
systems
for
the
production
chemicals
high-value
metabolites
to
be
utilized
in
various
industrial
applications.
Currently,
are
primarily
cultivated
phototrophic
processes
or
fermenters
using
glucose
as
substrate.
However,
such
configurations
often
too
costly
majority
potential
applications
require
improvements.
use
acetate
substrate
enhance
biomass
productivity
reduce
cost
environmental
impacts
is
a
solution.
In
future
bio-based
economy,
can
serve
an
excellent
intermediate
link
many
facilities,
it
synthesized
different
technologies
from
renewable
resources
CO
2
waste.
This
work
provides
detailed
description
synthesis
alternative
conventional
methanol
carbonylation,
including
pros
cons
each:
aerobic
anaerobic
fermentations;
thermochemical
treatments;
C1
gas
fermentation;
microbial
electrosynthesis
artificial
photosynthesis.
Additionally,
utilization
growth
mixotrophic
heterotrophic
conditions
reviewed,
covering
key
engineering
aspects
(strains,
yields,
rate,
inhibition,
productivity,
process
configuration).
These
guidelines
rationale
design
algal
cultivation
based
on
carbon
source.
Finally,
review
critically
assesses
state
art
coupling
acetate-rich
streams
with
production,
highlighting
addressing
main
knowledge
gaps
filled
through
research.
Environmental Chemistry Letters,
Год журнала:
2023,
Номер
21(5), С. 2707 - 2727
Опубликована: Июнь 12, 2023
Abstract
Adopting
waste-to-wealth
strategies
and
circular
economy
models
can
help
reduce
biowaste
add
value.
For
instance,
poultry
farming
is
an
essential
source
of
protein,
chicken
manure
be
converted
into
renewable
energy
through
anaerobic
digestion.
However,
there
are
a
number
restrictions
that
prevent
the
utilization
in
bioenergy
production.
Here,
we
review
conversion
biomethane
by
digestion
with
focus
on
limiting
factors,
to
enhance
digestion,
valorization.
Limiting
factors
include
antibiotics,
ammonia,
fatty
acids,
trace
elements,
organic
compounds.
Digestion
enhanced
co-digestion
sludge,
lignocellulosic
materials,
food
waste,
green
waste;
addition
additives
such
as
chars,
hydrochars,
conductive
nanoparticles;
improving
bacterial
community.
Chicken
valorized
composting,
pyrolysis,
gasification.
We
found
growth
organisms
inhibited
low
carbon-to-nitrogen
ratios.
The
total
biogas
yield
decreased
from
450.4
211.0
mL/g
volatile
solids
presence
Staphylococcus
aureus
chlortetracycline
manure.
A
concentration
60
mg/kg
or
less
optimal
for
biomethanization,
whereas
higher
concentrations
inhibit
productivity
reduced
56%
at
oxytetracycline
10
mg/L
Tylosin
exceeding
167
highly
deteriorated
due
accumulation
acetate
propionate
fermentation
medium.
Anaerobic
10%
primary
sludge
90%
increased
up
8570
solids.
Moreover,
chemicals
biochar,
hydrochar,
conducting
materials
boost
promoting
direct
interspecies
electron
transfer.
was
improved
value
38%
supplementation
biochar.
