S6E21 - The Truth About Green Algae
Green Algae will become your best friends! Wastewater treatment's workhorse, the activated sludge process, was invented in 1914, and he looks his age, honestly. Sure, it's an effective way to clean wastewater, but it involves a lot of energy: the ne...
(don't) Waste Water! | Water Tech to Solve the World
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Show Notes
Green Algae will become your best friends!
Wastewater treatment's workhorse, the activated sludge process, was invented in 1914, and he looks his age, honestly.
Sure, it's an effective way to clean wastewater, but it involves a lot of energy: the needed blowers alone account for about 4% of our energy use!
This makes for the substantial carbon impact of wastewater treatment, well, this and the various gases this open-air process releases, ranging from nitrous oxides to methane.
But what if we skipped wastewater treatment altogether and directly rejected raw wastewater into rivers?
That would probably kill a lot of the beautiful ecosystems we know but would also trigger green algae blooms.
Those are clearly a sign of bad shape when noticed in nature. But what if we could domesticate them and harness their power?
Well, we would have a treatment process that needs tremendously less energy to operate, that can be leveraged to produce biogas and be at least carbon neutral, if not positive.
See, I told you that Green Algae will become your Best Friends!
Wanna dive deeper? Check out my full conversation with Cesar Narvaez, CEO and Founder of NXO Engineering!
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