North-West University engineers develop ‘food ATM’ for people to survive Covid-19

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The mass capacity food bank has been developed to address food shortages using a coupon system.

A Potchefstroom Engineering Company, CFAM Technologies, which is a spin-off company of the North-West University’s Faculty of Engineering, is currently the only manufacturer of double-screw food extruders in Africa and specialises in the process of cooking raw materials, such as maize meal, in a high pressure and heat exchanger to produce a cooked, dry product within seconds.

“By simply adding water or milk to this powdery, dry product, it makes these foods ready to eat and provides a balanced meal,” says Grobler.It consists of a reclaimed shipping container that is filled with this dry porridge and can be placed in a strategic area in a residential area. Residents can then receive or buy an electronic coupon with a PIN number on their cellphone, which can be entered into the food ATM’s digital keypad to gain access to a bag of dry porridge.

As a further benefit, it eliminates the logistical nightmare of delivering food parcels in rural areas as the food ATM has a capacity of up to 250,000 meals before it has to be refilled. It also eliminates corruption with regard to delivery preferences as well as theft of the food. The fact that the dry porridge is not exposed to any human factor during the manufacturing process also eliminates possible food contamination.

As most countries’ legislation stipulates, all maize meal and other raw starch-bearing flour for sale on the shelves must be enriched with additional nutrients and vitamins. Problem is, when this product is cooked in a traditional way, the vitamins in it are broken down and destroyed by the high heat during the cooking process. Here, however, extrusion technology offers the solution because the vitamins and nutrients are added to the cooked, dry product.

 

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