Manufacturing processes & Wastewater characteristics for Leather tanning industry

Sources of wastewater

• Wastewater originates from ALL operations in tanning process
• Wastewater may be generated continuously or intermittently as shown in the flowchart
• Continuous flow wastewater comprises of greater proportion of total waste generated and is less polluted
• Spent liquors are discharged intermittently and are highly polluted containing several soluble organic and inorganic substances.