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I admittedly don't know much about this byproduct, and I do see mentioned that it's highly acidic. But if it causes algae blooms it makes me wonder if there's s

• machinerychorus 4y ago
  It's mentioned in the article, but doesn't go into detail about why it hasn't caught on > Continued problems with vinasse-dumping marred the sugar-ethanol industry’s environmental image, even as specialists encouraged repurposing the nitrogen-heavy byproduct as a fertiliser. Today, compliance with anti-dumping legislation is still not effectively enforced.
• speeder 4y ago
  My extended family lives near a place where using it as fertilizer is common. It works wonderfully, also it is incredibly smelly, the reason it is used there is because there are no cities there, just gigantic prairies, as soon you get near a city the smell stops (implying people there aren't using it as fertilizer).
• TrueSlacker0 4y ago
  From Wikipedia "In the past, vinasse was a problem in production of ethanol, but vinasse is also a good fertilizer (at least for some time) and a source of methane that can be used to generate heat or electricity. Moreover, other uses of vinasse involving also the formulation of nutritive solutions for hydroponics, formulation of culture media for plant tissue culture and culture media for algal growth." Seems like it's only a problem because it's being dumped and not being purchased for reuse.