Wastewater

Repairing concrete with concrete in sewer systems

Hydrogen sulfide (H2S) gas build-ups within wastewater networks are the main cause of accelerated biogenic corrosion in concrete structures. Unless countered, H2S will significantly shorten the life of infrastructure assets, but there’s a proven...

Embrace advanced technologies

Water-resilient cities can only be achieved through decentralised systems that harness appropriate advanced technology solutions. By Musawenkosi Ndlovu, director, QFS The cost of water production has more than tripled in recent years. As the...

Doing more with wastewater

Growing populations and rapid urbanisation are increasingly adding pressure to the country’s already constrained wastewater treatment works. With residential developments encroaching ever closer on wastewater treatment works and water demand...

Industrial filtration solutions

From humble beginnings in the wine industry, Quality Filtration Systems has, over its 22-year existence, been involved in many industrial water applications – from food and beverage to mining – doing its part in the private sector to assist with...

Cleaning South Africa’s waters with micro-organisms

Even though 88% of South African households have access to water, the country remains the 39th driest in the world. Furthermore, close to half of the Waste Water Works across the nation are not in a good state, with 80% of them at medium to high...