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Cape Peninsula University of Technology South Africa | Bellville

In the manufacture of textiles, clothing and leather goods, using a nanoparticle catalyst this one-step wastewater treatment system activates a powerful oxidiser. This produces sulfate radicals in the wastewater which will degrade the inorganic pollutants. These highly reactive nanoparticles are immobilised in a special system, allowing for the re-usage of effluent water in one continuous process. Thus, less input water is necessary to achieve effective treatment, reducing the cost of purifying large volumes of wastewater.

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

The COORTech Reactor System developed at the Cape Peninsula University of Technology is a one-step waste water treatment system consisting of highly reactive nanoparticles immobilized in a specialised reactor system for the purpose of treating industrial wastewater resulting from the manufacture of textiles, clothing and leather goods. The system utilizes a nanoparticle catalyst, which activates an oxidizer in order to produce sulfate radicals that attack and degrade inorganic pollutants (such as dyes) in the wastewater. The system allows the re-usage of effluent water in one continuous process, thereby reducing the use of input water and lowering operating cost.

Brief description of the technology’s benefits.

This technology eliminates the extra operating step and cost of removing catalyst residues and sludge from the effluent water. The system does not produce by-products which fouls the membranes, and thus the effluent water can be reused multiple times. The reactor operates at a competitively low pressure (max 4kPa) relative to membrane technology, which requires a minimum pressure of 100kPa. The COORTech reactor can be incorporated into existing wastewater treatment plants.

The attributes of the technology that makes it unique.

Due to the low pressure which the COORTech reactor operates (max 4kPa) being significantly lower than that of membrane technology, (requires a minimum pressure of 100kPa) this technology can be said to be superior in its field.

The main idea behind the technology is described.

A reactor that would cause the breakdown of inorganic matter in industrial wastewater but does not require high pressures to operate.

The technology was developed by an organisation in the following sector(s).
Higher education
The industry(s) relevant to the technology. Which industries can benefit from this technology?
Manufacture of textiles, clothing and leather goods
The technology area relevant to the technology.
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 6: Experimental testing in real-world setting
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