The Journal Agriculture and Forestry,
Journal Year:
2022,
Volume and Issue:
68(4)
Published: Dec. 15, 2022
This
study
analyses
the
viability
of
converting
organic
nitrogen
possessed
by
dairy
manure
from
Sri
Lankan
cows
into
ammonia
using
hydrolysis.Furthermore,
removal
anaerobically
digested
was
evaluated
with
experimental
analysis.Hydrolysis
conducted
to
determine
impact
total
solids,
retention
time,
and
temperature
on
recovery.Experimental
studies
have
shown
that
85%
in
recovered
at
35
O
C
within
7
days
a
12.1
-13.8Total
Solid
(TS)
content.Furthermore,
it
also
inferred
acidification
occurs
along
ammonium
diary
manure.Ammonia
investigated
Head
Space
Flushing
(HSF),
where
identified
73%
influent
removed
after
days.This
result
can
be
effectively
used
as
an
appropriate
method
for
removing
countries
large
cattle
herds.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(6), P. e16791 - e16791
Published: June 1, 2023
Organic
loading
influences
the
effectiveness
of
producing
biogas
through
anaerobic
digestion.
This
study
set
out
to
investigate
effect
organic
on
mesophilic
digestion
cow
dung,
parameters
involved
in
process
and
evaluate
kinetics.
Anaerobic
dung
at
different
(gVS/L)
14
gVS/L,
18gVS/L,
22
26
gVS/L
30
were
investigated.
Increasing
increased
methane
yield
dung.
The
highest
cumulative
was
observed
with
63.42
mL
CH4/gVS
while
reported
192.53
mL/gVS
content
89%.
In
addition,
modified
Gompertz
model
equation
an
R2
0.9980
demonstrated
strong
consistency
a
good
fit
between
predicted
experimental
data.
high
number
substrates
added
systems
when
increasing
λ
slow
down
nutrient
transport
hydrolysis.
provides
current
information
effects
batch
mode,
including
conditions
operational
parameters.
Agriculture,
Journal Year:
2023,
Volume and Issue:
13(9), P. 1689 - 1689
Published: Aug. 27, 2023
Biogas
production
from
waste
materials
has
emerged
as
a
promising
avenue
for
sustainable
energy
generation,
offering
dual
benefit
of
management
and
renewable
production.
The
selection
preparation
feedstocks,
including
agricultural
residues,
food
waste,
animal
manure,
municipal
solid
wastes,
are
important
this
process,
while
the
microbial
communities
majorly
responsible
bioconversions.
This
review
explores
role
complex
their
functions
anaerobic
digestion
wastes.
It
covers
crucial
physiological
processes
hydrolysis,
acidogenesis,
acetogenesis,
methanogenesis,
elucidating
activities
metabolic
pathways
involved
in
prospects
improving
efficiency
biogas
article
further
discusses
influence
recent
progress
molecular
techniques,
genomics,
metagenomics,
meta-transcriptomics,
stable
isotope
probing.
These
advancements
have
greatly
improved
our
understanding
capabilities
materials.
integration
these
techniques
with
process
monitoring
control
strategies
been
elaborated
to
offer
possibilities
optimizing
ensuring
stability.
Microbial
additives,
co-digestion
diverse
optimization
through
community
engineering
discussed
effective
approaches
enhance
also
outlines
emerging
trends
future
microbial-based
production,
utilization
synthetic
biology
tools
novel
strains
consortia,
harnessing
microbiomes
extreme
environments,
integrating
other
biotechnological
processes.
While
there
several
reviews
regarding
technical
aspects
stands
out
by
up-to-date
insights
recommendations
leveraging
potential
communities,
roles
efficient
emphasize
pivotal
microbes
enhancing
ultimately
contributing
advancement
carbon-neutral
future.
Applied Water Science,
Journal Year:
2021,
Volume and Issue:
11(8)
Published: July 26, 2021
Abstract
This
study
aimed
to
determine
the
quality
of
drinking
water
supplied
in
different
types
food
stalls
Jashore
Municipality,
Bangladesh.
A
total
35
samples
were
collected
from
tea
stalls,
street
side
fast
normal
restaurants
and
well-furnished
restaurants.
The
was
evaluated
by
determining
distinct
physical,
chemical
biological
parameters.
results
revealed
that
used
for
purpose
desired
terms
turbidity,
electrical
conductivity,
pH,
dissolved
solids,
nitrate
(NO
3
−
),
sulfate
(SO
4
2−
phosphate
(PO
3−
chloride
(Cl
sodium
(Na)
potassium
(K)
concentrations.
values
within
permissible
limit
proposed
Bangladesh
Bureau
Statistics
World
Health
Organization.
Concentrations
calcium
(Ca)
magnesium
(Mg)
found
several
higher
than
Organization
standard.
Iron
(Fe)
concentrations
Only
46%
exceeded
Statistics.
threatening
result
contaminated
fecal
coliform,
indicating
people
Municipality
may
have
a
greater
chance
being
affected
pathogenic
bacteria.
provided
biologically
contaminated.
findings
demonstrate
did
not
meet
up
potable
standards
therefore
detrimental
public
health.
Journal of Hazardous Materials Advances,
Journal Year:
2022,
Volume and Issue:
7, P. 100102 - 100102
Published: May 29, 2022
The
hexavalent
form
of
chromium
[Cr
(VI)]
and
divalent
copper
[Cu
(II)]
are
the
major
pollutants
found
in
discharge
effluents
tannery
industries.
Therefore,
before
discharging
effluent
to
surrounding
environment
these
elements
need
be
removed.
Usually,
low-cost
bio-adsorbent
used
clean
up
polluted
effluent.
Current
research
was
conducted
determine
effectiveness
two
bio-adsorbents
namely
water-hyacinth
(Eichhornia
crassipes)
shoot
powder
(WSP)
arum
(Colocasia
sculenta)
(ASP)
removing
from
(TE).
To
achieve
objectives,
adsorbents
were
added
Cr
(VI)
Cu
(II)
stock
solutions
(SS)
TE
their
those
metals.
Removal
metals
SS
investigated
batch
processes
at
different
contact
times
with
same
doze
5.0
mg
L−1.
determined
Spectrophotometer
HACH
DR3900.
Chromium
by
using
Method
No.
8023
8506.
highest
amount
removed
WSP
85.29%
87.50%,
respectively
180
mins.
(II),
87.96%,
mins
whereas
83.35%
removal
120
ASP
(VI),
79.46%,
SS,
while
77.08%
metal
for
same.
78.57%,
ASP,
75.0%
time.
more
effective
than
both
solutions.
From
results,
it
could
said
that
as
alternative
TE.
Heliyon,
Journal Year:
2024,
Volume and Issue:
unknown, P. e26059 - e26059
Published: Feb. 1, 2024
Macronutrient
MicronutrientSoil
management
is
a
strategy
for
improving
soil
suffering
from
problems
such
as
low
pH,
nutrient
deficiency,
and
erosion.
The
study
evaluated
the
effects
of
human
urine
(HU),
biogas
slurry
(BS),
standard
compost
(StC),
animal
manure
(AM),
synthetic
fertilizer
(SF)
in
comparison
with
no
fertility
(NFM)
on
cation
exchange
capacity
(CEC),
organic
carbon
(SOC),
moisture
content,
nitrogen
(N),
phosphorus
(P),
potassium
(K),
calcium
(Ca),
magnesium
(Mg),
sodium
(Na),
copper
(Cu),
zinc
(Zn),
manganese
(Mn),
iron
(Fe)
Karagwe
district,
Northwestern
Tanzania.
Four
household
farms
representing
each
amendment
type
were
selected
sampling.
A
total
192
samples
collected
air-dried.
After
laboratory
analysis,
BS-enriched
had
highest
pH
(6.558),
CEC
(23.945
cmol+/kg),
SOC
(5.573%),
N
(0.497%),
P
(247.130
mg/kg),
K
(3.036
Ca
(18.983
Mg
(4.076
Na
(2.960
Cu
(12.548
mg/kg).
Similar
properties
lower
NFM
than
other
soils.
chosen
did
not
differ
significantly
depending
sampling
zone
fertilizer.
Therefore,
result
indicates
that
all
fertilizers
improved
health
compared
to
NFM,
but
BS
HU
led
relatively
better
improvements
StC,
AM,
SF.
