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Water&Sanitation Africa Cover Story

Under pressure

South Africa continues to lose millions of litres of water every year due to pipe leaks and bursts. Pressure management is one of the most important interventions that should be considered when attempting to drive down water losses. The common...

The source of life

The water and wastewater industries are the guardians of one of the world’s most important resources, and continuous investment in infrastructure and new technologies is essential to their processes.  Despite the fact that two-thirds of the earth’s...

Desalination: affordable, reliable, sustainable

Cape Town has put plans for a permanent desalination plant on hold following good rains and reports that the technology is simply too expensive. However, there are feasible options for effectively bolstering water supplies. The capital and...

The answer to reuse

One of the most robust, versatile and widely used unit operations in the treatment of wastewater worldwide is dissolved air flotation. With a growing market for wastewater reuse, the demand for these systems is expected to rise accordingly. The...

Filtration to perfection

The use of membrane technology for water treatment is beginning to pick up in the Southern African region. WASA speaks to Henk Smit, managing director, Vovani Water Products, about the options available to the local market. There are various...

Value added, one drop at a time

Water is a hot topic at the moment, largely due to the ongoing water crisis in the Western Cape where businesses and consumers are taking extraordinary measures to keep the taps running. While consumers are required to consume no more than 50 ℓ per...

Modular treatment solutions

With three of South Africa’s provinces having been declared drought disaster regions, the country as a whole faces a long-term water security challenge. Modular water treatment plants may provide an answer. South Africa’s urban areas generally...

More than a pump

Globally, up to 10% of energy used in water treatment goes towards pumping water. Grundfos believes that up to 4% of this can be saved by utilising good pumps and systems. The company has designed a range of energy-efficient, smart products...