Water treatment solutions for the future | Infrastructure news

South Africa is in a water crisis. Given the surface water depletion in the country, the question of where future water will be sourced must be raised.

The most common solutions for water provision always entail a massive infrastructure capital spend and long-term implementation, with the belief that bigger is better, cheaper and easier to operate. While looking for megaprojects to solve the entire South African water crisis, it is easy to forget the smaller, simpler projects that can assist with water crisis.

Decentralisation

The philosophy of decentralisation of water treatment is based on local water source availability linked to a local need. With failing infrastructure that includes the pipelines transporting water hundreds of kilometres across the country, decentralised water treatment starts making sense for remote, smaller communities or industry.

Advanced technologies provide a smaller footprint, less operator involvement and less dependency on chemicals for water treatment. QFS has brought first-world technologies to South Africa and localised them to be more affordable for South African applications.

“QFS is well positioned to provide equipment through our in-house manufacturing and implementation. Our personnel are familiar with all of the technologies required,” says Herman Smit, managing director, QFS.

Ultrafiltration

Ultrafiltration (UF) membranes are one of the core technologies used in compact decentralised water treatment equipment.

UF membranes replace conventional concrete structures with skid-mounted filtration modules. Each UF module is placed inside a module housing and becomes a serviceable filter element that can be removed from the housing for repair or replacement.

“QFS believes that membrane-based water treatment solutions provide the best solution for decentralised water. The local decentralised sources of water – wastewater, seawater and borehole water – all require membrane-based technology for treatment,” says Smit.

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