Exploring Tannery Solid Wastes as a Source of Animal Feed
Processes,
Journal Year:
2023,
Volume and Issue:
11(10), P. 2965 - 2965
Published: Oct. 12, 2023
This
review
delves
into
the
processing
of
tannery
solid
waste,
emphasizing
fleshings
and
chromium-tanned
leather
waste.
paper
centers
on
fat
recovery,
chromium
elimination,
protein
preservation,
aiming
to
make
them
apt
for
animal
consumption.
also
assesses
potential
introducing
such
recycled
products
global
market.
Drawing
literature
from
past
two
decades,
sourced
comprehensively
Scopus
Web
Science,
36
articles
were
selected
because
their
significant
contributions
production
powerhouses
as
India
Brazil.
Fleshings
have
shown
immense
feed,
extraction
tallow
collagen
rawhide
trimmings
yields
up
98%
93%,
respectively.
Fermented
fleshings,
notably
with
Enterococcus
faecium
HAB01,
demonstrate
strong
antioxidant
capabilities.
The
overarching
consensus
emphasizes
need
rigorous
purification
when
dealing
chromium-containing
wastes,
addressing
concerns
tied
Cr
(III)
(VI).
Furthermore,
raw
stand
out
a
sustainable,
cost-effective,
globally
marketable
solution
feed
production.
Language: Английский
Dual Cross-Linked Gelatin-Based Adhesive for Leather with Low Curing Temperature and Improved Bonding Strength
Hui Jie Zhang,
No information about this author
Siyu Zha,
No information about this author
Xinyi Wang
No information about this author
et al.
ACS Applied Polymer Materials,
Journal Year:
2023,
Volume and Issue:
5(12), P. 10515 - 10525
Published: Nov. 28, 2023
Gelatin-based
adhesives
have
limited
practical
application
due
to
their
bonding
strength
and
high
curing
temperature.
In
this
paper,
we
prepared
a
dual
cross-linked
water-based
adhesive
from
waste
leather-extracted
gelatin,
dialdehyde-TOCNF,
polymethacrylate
adhesive.
The
dialdehyde-TOCNF
cross-linking
with
gelatin
is
accomplished
through
the
Schiff
base
reaction,
poly(methacrylic
acid)
was
introduced
form
hydrogen
bonds
gelatin.
optimal
of
developed
achieved
within
time
40
min
at
temperature
50
°C,
which
lower
than
shrinkage
leather.
exhibited
exceptional
mechanical
performance,
T-peel
wet
peel
reaching
1081
400
N/m,
respectively.
shows
good
ability
on
hydrophilic
substrates
such
as
wood,
dry
strengths
wood
were
5.52
MPa
(57.72%
higher
gel)
4.71
(1780%
gel),
It
highlights
versatility
in
different
materials.
Language: Английский