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Nelson Mandela University South Africa |

Port Elizabeth

Keywords related to the available technology.
Aquaponics Aquafeed Microalgae Algae Natural resources Agriculture
Overview: 

The project aims to develop, optimise & demonstrate integrated microalgae cultivation in conjunction with aquaponics and/or hydroponics in an environmentally friendly, renewable and sustainable process.

What is the technology owner looking for? E.g. collaboration, investment, sales, etc.
Collaboration Distribution Investment Joint venture
Brief description of the technology’s market need.

One of the greatest societal challenges is feeding an increasing population sustainably, while at the same time reducing the environmental impact. Re-using nutrients (nitrogen and phosphorous) and more efficient use of water are highly relevant for future development of bio-production systems in general.

Food production is dependent on the use of phosphate and nitrate, and both products are considered as waste products in animal production systems. The project aims to characterise concepts and dynamics for sustainable bio-production using closed recycled cultivation systems, specifically aquaponics.

Brief description of the technology’s benefits.

The project will investigate and optimise mechanisms behind utilisation and turnover of nutrients in different bio-production systems (fish integrated with plants and microalgae).  The microalgae serves as a feed ingredient for the fish, substituting unsustainable fishmeal.  The algae is applied either whole or as an extracted protein.

The attributes of the technology that makes it unique.

The use of whole algae for seafood farming is well established, but there appears to be no commercial use of algae protein extract in such applications. It is anticipated that the technology, designs and formulations will be licensed to SMEs locally, with the opportunity of international licensing as well.

The main idea behind the technology is described.

Changing food consumption patterns in emerging economies, coupled with an increased global need for sustainable raw materials for non-food products, are leading to an increased demand and competition in the agriculture sector. In addition, global challenges such as climate change, natural resource degradation, rural exodus, low vocational education, the pressure of the international market and a lack of resources are putting considerable pressure on agri- and aquaculture and the food system to adapt to the changes.

The project addresses the world requirement for increasing amounts of fertiliser and feed for food consumption, as well as the treatment of water from aqua- and hydroponics systems.

The team and expertise behind the technology.

Brian Tait, Candace Davison

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?
Agriculture, hunting and related services Ocean / coastal fishing and fish farming
The technology area relevant to the technology.
Agriculture Industrial Biotechnology
The Technology Readiness Level of the available technology. For more information on the Technology Readiness Levels, please follow the link: Technology Readiness Levels
TRL 3: Critical function: proof of concept established (development of minimum viable product)
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