New method uses food waste to feed protein-rich algae, tripling amount of food source produced: NTU

A new method of growing microalgae, developed by NTU, cuts the cost from about $6 a litre to about $0.67. PHOTO: NANYANG TECHNOLOGICAL UNIVERSITY
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SINGAPORE - A new way to grow an algae-based protein food source not only recycles food waste, but also produces three times the commercial yield in a 48-hour period and at a tenth of the cost.

Speaking to The Straits Times on Saturday (Nov 30), Nanyang Technological University's (NTU) Professor William Chen said his process uses okara, an insoluble waste product from soy manufacturers, to feed microalgae in a fermenter, a device commonly used in urban farming.

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