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Transforming WWTP Sludge Management into a Circular Economy Opportunity
Introduction A circular economy is an economic system aimed at eliminating waste and the continual use of resources. In the context of sludge management, it involves the transformation of waste into a resource, thereby creating a sustainable and cost-effective solution. Years ago, I was privileged to lead the development and early-stage implementation of a strategic sludge management initiative for 19 wastewater treatment plants (WWTPs) serving the eastern part of Gauteng Pro
Karabo Nthethe
Mar 25, 20254 min read


How to Support the South Africa Municipality's District Development Model (DDM) with Circular Economy Infrastructure Solutions
WWTP Effluent Reuse and Co-Digestion of Sludge with Municipal Organic Waste Infrastructure Development Introduction South African municipalities are under pressure to deliver reliable water, sanitation, waste, and energy services while building resilience and sustainability into their infrastructure systems. What if municipalities could do more with what they already have or should have? Wastewater Treatment Plants (WWTPs) are not just infrastructure assets but potential circ
Karabo Nthethe
Mar 21, 20254 min read


How to Enhance Your Business’s Sustainability and Achieve a Circular Future with Strategic Water Management Audits, Efficiency Practices, and Reuse
Introduction Efficient water management is critical for businesses aiming to reduce costs, improve sustainability, and comply with regulations. This blog is aimed at high water usage industries like manufacturing, breweries, and food processing, as well as small to medium-sized businesses like restaurants, hotels, car washes, laundromats, gyms, salons, and commercial facilities, which can optimize water management for sustainability and cost savings. We discuss using infograp
Karabo Nthethe
Jul 26, 20242 min read
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