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Rhodes University South Africa |
Keywords related to the available technology.
Wastewater treatment algal ponds Microalgal biomass Clean water Water purification
Overview: 

This Integrated algal ponding system (IAPS) is capable of treating wastewater from multiple sources, including industrial, abattoir, tannery, winery, distillery, acid mine drainage waste and domestic sewage wastewater. The IAPS treats, recovers and reuses water, yielding high quality disinfected water. This purified water is of a quality comparable to water obtained from using traditional biological or physicochemical treatment processes. The High Rate Algae Pond (HRAP) raises the pH of the treated waters, and a pH of 9.2 for 24 hours will provide a 100% kill of E. coli and pathogenic bacteria. Further, the application of water recycle and reuse in horticulture job creation has also been successfully demonstrated, and algal biomass is produced which can be beneficiated and commercially exploited in the form of fertiliser, to name just one potential application. It important to understand that this technology essentially combines sewage/wastewater treatment and water purification and reuse into one seamless process, saving space and other resources compared to other existing technologies.

Relevant intellectual property protection in place for this technology.
Know how
What is the technology owner looking for? E.g. collaboration, investment, sales, etc.
Manufacturing
Brief description of the technology’s market need.

Water scarcity, drought and an inability to predict accurately how incumbent climate change will affect water security has already had dramatic effects in South Africa and beyond our borders. We require technologies that change the way we use water and importantly, how and when we dispose of water. It goes without saying that every aspect of human, plant and animal life is dependent on water. Given the size of the problem, any technology which saves, collects, purifies or stores water has become paramount to society.

Brief description of the technology’s benefits.

This technology combines sewage/wastewater treatment, and water purification and safe water reuse into one seamless process, and is completely scalable depending on input and demand. 

The team and expertise behind the technology.

Keith Cowan – Lead Scientist, inventor

Richard Laubscher – Researcher

Terence Singh – Commercial Analyst

Suzanne Wolhuter – Technology Transfer Support

The technology was developed by an organisation in the following sector(s).
Higher education
The technology area relevant to the technology.
Water Purification and Natural resources
The Technology Readiness Level of the available technology. For more information on the Technology Readiness Levels, please follow the link: Technology Readiness Levels
TRL 9: System ready for full scale deployment
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