mule_roany_mare t1_iuxbk1f wrote
Reply to comment by Alantsu in Researchers fed microalgae on leftover coffee grounds to produce high-quality biodiesel | It could decrease reliance on palm oil to produce biofuel. by chrisdh79
It's not just nutrients.
The grounds provide a lattice for the yeast to grow on & also nutrients. The important part is the process uses industrial waste instead of diverting more useful or harmful products.
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