International School of Tanning Technology

MODULE 4 CURRICULUM


problems with liquid, solid and air emissions

COD

TKN

TDS

VOCs

sludge

heavy metals

sulfide

environmental legislation and ISO 2000

alternative technologies

CO2 deliming

organic acid deliming

green hides

salt-free curing

hair-save technologies

low-sulphide unhairing

salt-free pickling

chrome-free tanning

high-uptake chrome tanning

recycling

high uptake retanning / compact retannage

AOX-free fatliquoring

ammonia-free neutralising

low-sulphate retanning / dyeing / fatliquoring

heat-sink systems on mechanical operations

water-based finishing

testing of process liquors

pH, conductivity, SS, TDIS, TKN, sulfide, chromium (III), settleable solids, shrinkage temperature, FOG, COD