23 Jun '14, 1pm

The Ugly Duckling: Can Duckweed Find Its Way to Bioenergy Commercialization?

The Ugly Duckling: Can Duckweed Find Its Way to Bioenergy Commercialization?

For years, researchers have been trying to commercialize duckweed as a viable source of bioenergy for the production of ethanol, biodiesel, natural gas and steam-generated electricity. But even now, there’s little agreement on whether duckweed is best suited as a natural option for turning so-called municipal graywater into something clean enough to drink from the tap, or as a renewable biomass. In pelletized form, it can also be used to feed tilapia, shrimp or poultry, and is even co-fired with coal. Duckweed to bioenergy conversion may ultimately work best when done in tandem with some sort of ongoing wastewater cleanup. The plant itself is composed of only a single kidney-shaped leaf, connected to the water on, which it floats by only a few thin underwater roots. However, duckweed advocates point to the fact that, in warm climates, it can basically grow anywhere and at ...

Full article: http://www.renewableenergyworld.com/rea/news/article/2014...

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