Hold that can; leftover soda pop a good feedstock for biofuels

March 17, 2011 |

In Oklahoma, researchers at Oklahoma State University have discovered that waste from soda pop production can be used as feedstock for ethanol production simply by adding nitrogen and yeast. The presence of sodium benzoate, a common food preservative, was the major indicator in whether a particular brand of soda would ferment well or not.

Soda waste is typically disposed of by adjusting the pH level and sending it to a local wastewater treatment plant, a method that can be costly because it can be done only in limited quantities.

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Category: Research

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