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Algae Makes Clean Water & Fertilizer

Great article in NYTimes today by Mathew L. Wald on utilizing algae: 

"…a Nevada company, Algae Systems, has a pilot plant in Alabama that, it says, can turn a profit making diesel fuel from algae by simultaneously performing three other tasks: making clean water from municipal sewage (which it uses to fertilize the algae), using the carbon-heavy residue as fertilizer and generating valuable credits for advanced biofuels.

If it works, the company says, the process will remove more carbon from the atmosphere than is added when the fuel is burned.…"

Photo: At the pilot plant, Algae Systems converts the waste and algae into clean water and biocrude oil.
Photo by Tad Denson


Anonymous said...

Biofuels Are Not All They Are Cracked up to Be


Biofuel crops expanded onto 7 million acres of new land in the U.S. over a recent four-year period, replacing millions of acres of grasslands, according to new research from the University of Wisconsin. Using high-resolution satellite imagery, the researchers calculated that converting grasslands to croplands for corn and soy biofuels could have emitted as much carbon dioxide as 34 coal-fired power plants operating for one year, or the equivalent of an additional 28 million cars on the road. Nearly 80 percent of cropland expansion replaced grasslands, which store large amounts of carbon in their soils. Among them were 1.6 million acres of undisturbed natural grassland, equivalent in area to the state of Delaware, according to the report published in Environmental Research Letters. The study is the first comprehensive analysis of land-use change across the U.S. between 2008 and 2012, following the passage of the federal Renewable Fuel Standard. The law says that biofuels are supposed to be grown on existing cropland, but current federal monitoring efforts capture only national-level, aggregate land-use changes.

Anonymous said...

The Case Against Biofuels: Probing Ethanol’s Hidden Costs


In light of the strong evidence that growing corn, soybeans, and other food crops to produce ethanol takes a heavy toll on the environment and is hurting the world’s poor through higher food prices, consider this astonishing fact: This year (2010), more than a third of the U.S.’s record corn harvest of 335 million metric tons will be used to produce corn ethanol. What’s more, within five years fully 50 percent of the U.S. corn crop is expected to wind up as biofuels.

wholeheartedly embraced corn ethanol and the tangle of government subsidies, price supports, and tariffs that underpin the entire dubious enterprise of using corn to power our cars

initiatives to boost ethanol production from both food and nonfood sources, including supporting Congressional mandates that would triple biofuel production to 36 billion gallons by 2022.

close look at their impact on food security and the environment — with profound effects on water, the eutrophication of our coastal zones from fertilizers, land use, and greenhouse gas emissions — suggests that the biofuel bandwagon is anything but green

....and from other reading...
guess who is BIG in Biofuels....??? GMO corn, Monsanto, etc..

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