Investor Presentaiton

UNIDO UNITED NATIONS INDUSTRIAL DEVELOPMENT ORGANIZATION UNIDO Country Office in Bangladesh SUSTAINABLE DEVELOPMENT GOAL 9 INDUSTRY, INNOVATION AND INFRASTRUCTURE Cleaner Technology: Tannery in Bangladesh Interventions Water management (Batch washing instead of open valve washing) Hair save unhairing (A screw type filter for recovering hair from the liming-unhairing float) Low lime-sulphide liming with low float Ammonia free de-liming HVLP/HT Spray Guns High Chrome Exhaustion Results Reduced water consumption to 20-25 litres/kg of hides Reduce 40% of BOD and COD, 20% of SS load and save 1.30 BDT/sqft Reduce 25-35% of chemical and 20-30% of water use Reduce N and NH 4 + content in the effluent Reduce 30% bounce of sprayed chemical. Saves 1.2BDT/sqft Reduce 25% of Cr offer, 60% Cr content in spent chrome liquor and save 1.50BDT/sqft Remarks 30% of Process water can be saved and 30% of effluent can be reduced Contributes to substantial improvements in the waste water discharge. Contributes to substantial improvements in the waste water discharge. Will reduce effluent treatment cost Contributes to substantial improvements in the waste water discharge. INCLUSIVE AND SUSTAINABLE INDUSTRIAL DEVELOPMENT f in O WWW.UNIDO.ORG 6

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