Zero Liquid Discharge (ZLD) Systems in Slaughterhouses, Rendering, and Abattoirs

For details visit: https://watermanaustralia.com/necessity-for-zero-liquid-discharge-zld-systems-in-slaughterhouses-rendering-and-abattoirs/ 

Why ZLD is Crucial for Slaughterhouses, Rendering, and Abattoirs 

21.2.1 High-Strength Wastewater Characteristics 

Wastewater from these facilities contains extremely high concentrations of organic matter, suspended solids, fats, oils, blood, proteins, nitrogen, phosphorus, and pathogens.

Conventional wastewater treatment often cannot reduce pollutants below stringent discharge limits, especially in areas with limited water bodies or stringent environmental regulations.

21.2.3 Water Conservation and Reuse 

ZLD systems allow recovery of clean water suitable for reuse in cleaning, cooling, or process water, significantly reducing freshwater consumption.

Water reuse is a critical sustainability goal for slaughterhouses and rendering plants, which are often large water users.

Benefits of ZLD Implementation 

Complete elimination of liquid effluent discharge, ensuring regulatory compliance.

Significant reduction in freshwater intake through water recycling.

Enhanced environmental stewardship and corporate social responsibility.

Potential for resource recovery, including salts, nutrients, and water reuse.

Minimization of pollution risk to surface and groundwater bodies.