DESIGN, DEVELOPMENT AND PERFORMANCE EVALUATION OF A LOW-COST AND SUSTAINABLE HOUSEHOLD WATER TREATMENT SYSTEM
Mohammed D. Idi,
Oluwaseun K. Akinmusere,
Ayotunde Oluyemisi Akanni
и другие.
FUDMA Journal of Sciences,
Год журнала:
2024,
Номер
8(5), С. 41 - 60
Опубликована: Сен. 17, 2024
This
study
designed,
fabricated
and
evaluated
a
household
water
treatment
system
(HWTS)
with
primary
aim
of
improving
access
to
potable
water.
Typical
turbid
samples
were
collected
from
Opa
River
in
Ile-Ife,
Nigeria.
The
subjected
by
the
system.
Effects
selected
operational
factors
on
performance
was
optimized
using
Taguchi
technique.
optimum
values
utilized
for
full
typical
similar
available
commercially.
based
ability
remove
pollutant
turbidity
samples.
Cost
analysis
conducted
types
that
are
commercially
available.
revealed
between
98.8%
100
%
an
overall
99.5
%.
Time
settlement,
pore
Size
filter,
Concentration
Coagulant
Turbidity
Raw
had
impact
HWTS.
Significance
in-order
filter
>
time
raw
It
concluded
HWTS
perfect
compared
filter.
is
economically
effective
sustainable
(0.0575
US$
per
day)
(0.0639
–
0.1187
day).
There
no
significant
difference
(individual
overall)
fabricated...
Язык: Английский
Impact of Urban Digital Economy on ESG Performance: Do Technological and Business Model Innovation Matter
Innovation economics frontiers,
Год журнала:
2024,
Номер
unknown, С. 14 - 30
Опубликована: Ноя. 27, 2024
The
rapid
development
of
the
digital
economy
is
a
critical
national
strategy
for
Chinese
government,
with
establishment
platforms
as
key
component.
Simultaneously,
both
government
and
enterprises
have
embraced
concept
sustainable
development.
Since
corporate
environmental,
social,
governance
(ESG)
performance
serves
crucial
micro-indicator
sustainability,
it
essential
to
investigate
whether
developed
by
can
enhance
ESG
relevant
companies.
This
paper
first
examines
impact
urban
platform
construction
on
awareness
ecological
environmental
protection,
social
responsibility,
practices.
It
then
proposes
two
primary
mechanisms—technological
innovation
business
model
innovation.
Finally,
empirical
evidence
presented
based
sample
107
CSI
300-listed
companies
in
China,
using
data
from
2015
2019.
analysis
yields
three
findings:
(1)
significantly
improves
region;
(2)
subindex
not
significant,
but
effect
more
pronounced
non-state-owned
enterprises,
manufacturing
sector,
eastern
(3)
plays
significant
role
driving
compared
technological
study
contributes
understanding
how
influence
performance.
Язык: Английский