Taz Loomans

New Urban Algae System Generates Energy While Cleaning Wastewater in Paris

by , 12/05/12

 ennesys, originoil, algae harvesting, algae fuel, biofuel, cleaning wastewater,Rendering from Axel Schoenert Architecture

Ennesys, a Paris-based energy systems company and OriginOil, an American algae harvesting company just unveiled their new urban algae demonstration project in La Defense, near Paris. The revolutionary system harvests energy from algae present in wastewater while filtering the wastewater for use as graywater.

ennesys, originoil, algae harvesting, algae fuel, biofuel, cleaning wastewater,

“Algae is the future of clean, inexpensive fuel,” says Pierre Tauzinat, the CEO of Ennesys. This cutting-edge urban algae system grows algae in photobioreactors made of polycarbonate using only light, wastewater and CO2. These flat-paneled algae harversters are mounted on the building’s façade and have the added benefit of acting as an effective insulation system, keeping out the heat of the summer and the chill of the winter.

Once the algae is fully grown, it is harvested using OriginOil’s Algae Appliance and processed into biomass that has nearly the same energy potential as coal and is used to run the building’s systems. Because the process uses no chemicals, the extracted water can be used again in the process and eventually, when it’s completely depleted of nitrates, it can be used as graywater to flush the building’s toilets.

France has adopted a strict environmental policy called RT202 that calls for a 20% reduction in the country’s energy consumption by 2020 and an increase in the use of renewable energy by 20% by 2020.  To achieve its 2020 goals, France requires buildings to generate more energy than they use and to process wastewater instead of dumping it into the city’s municipal sewage system. Riggs Eckleberry, the CEO of OriginOil, believes that his new system in collaboration with Ennesys is just the answer to these regulations, declaring that “algae is the perfect solution for both creating energy and cleaning up sewage water.”

+ Ennesys

+ OriginOil

Via Scientific American

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4 Comments

  1. diallog December 13, 2012 at 2:59 pm

    Anyone know if this system stinks? How’s the smell of the graywater?

  2. micheleg December 11, 2012 at 11:37 am

    I would love to know why this American company is not putting this into use in America? I suspect regulations, but would really like to know…

  3. Roz Rayner-Rix December 10, 2012 at 4:10 pm

    I would be interested to know the actual output of this project in watts please…

  4. Flyingstar December 9, 2012 at 12:40 pm

    And you can make Biodiesel from Algae!

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