28
A. Geethakarthi
Sorng and
Unhairing and
Green fleshing
Curing and
Soaking
Lime fleshing
Lime spling
De-liming and bang
Raw
Mechanical
Drying
Retanning, Dyeing
Fatliquoring
Shaving
Chrome
Samming
Pickling
Degreasing of
Coang
Leather
Pickled
Wet
Cru
Tanyard
PostFinishing
W
E
T
D
R
Y
Beamhous
8-16 hrs
3-5g/100ml
Na 2 S & Ca(OH) 2
pH 2.0-4.0
pH 2.0
<2-3mins
Fig. 1 Manufacturing process of a leather industry