Sustainable Technologies
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Sustainable Technologies
Alternative energy and sustainable living technologies.
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Turning algae into biofuel: A one minute method for biocrude

Converting algae to biofuel could be a sustainable solution to the need for liquid fuel in the United States, according to U-M researchers. Scientists in the chemical engineering department are working to create an effective method for converting the plant, which can be harvested continuously and grown in any water condition.

 

Phil Savage (http://che.engin.umich.edu/people/savage.html) is the Arthur F. Thurnau Professor of Chemical Engineering (http://che.engin.umich.edu/) at the University of Michigan. His research focus is on energy production from renewable resources, developing novel processes for converting biomass hydrogen, methane, and liquid transportation fuels.

 

Savage's ocean-going organism of choice is the green marine micro-alga of the genus Nannochloropsis. To make their one-minute biocrude, Savage and Julia Faeth, a doctoral student in Savage's lab, filled a steel pipe connector with 1.5 milliliters of wet algae, capped it and plunged it into 1,100-degree Fahrenheit sand. The small volume ensured that the algae was heated through, but with only a minute to warm up, the algae's temperature should have just grazed the 550-degree mark before the team pulled the reactor back out. Previously, Savage and his team heated the algae for times ranging from 10 to 90 minutes. They saw their best results, with about half of the algae converted to biocrude, after treating it for 10 to 40 minutes at 570 degrees.

 


Via Dr. Stefan Gruenwald, Rowan Edwards
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Turning algae into biofuel: A one minute method for biocrude

Turning algae into biofuel: A one minute method for biocrude | Sustainable Technologies | Scoop.it
Converting algae to biofuel could be a sustainable solution to the need for liquid fuel in the United States, according to U-M researchers.
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Scientists build the first all-carbon solar cell

Scientists build the first all-carbon solar cell | Sustainable Technologies | Scoop.it
Scientists have built the first solar cell made entirely of carbon, a promising alternative to the expensive materials used in photovoltaic devices today.
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Quick Glance at MSW-to-Energy Systems

Quick Glance at MSW-to-Energy Systems | Sustainable Technologies | Scoop.it

Waste-to-Energy (WTE) or Energy-from-Waste (EfW) is the use of modern combustion and biochemical technologies to recover energy, usually in the form of electricity and steam, from urban wastes. These new technologies can reduce the volume of the original waste by 90%, depending upon composition and use of outputs.


Via Salman Zafar, CCRES
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Project Will Use 3D Printer, Waste Plastic to Make WasteWater Collection Systems

Project Will Use 3D Printer, Waste Plastic to Make WasteWater Collection Systems | Sustainable Technologies | Scoop.it
The new darling of fabrication, 3D printers, may have an important role to play in waste-to-resources innovation, thanks to this unique project.
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California Array Is Navy's New Top Solar Gun

California Array Is Navy's New Top Solar Gun | Sustainable Technologies | Scoop.it
Greentech MediaCalifornia Array Is Navy's New Top Solar GunGreentech MediaLike tens of thousands of California homeowners, the Navy went the power purchase agreement route in bringing solar to the Naval Air Weapons Station at China Lake, 120 miles...
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Basic Research Not Enough to Spur Energy Innovation

Basic Research Not Enough to Spur Energy Innovation | Sustainable Technologies | Scoop.it
Image (Third Debate: Basic Research Not Enough to Spur Energy Innovation: Filed under: Energy News http://t.co/Hagxx5Pk alternative energy...)...
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Wind turbine fits into a shipping container

Wind turbine fits into a shipping container | Sustainable Technologies | Scoop.it
The Portable Power Center by Uprise Energy is a wind turbine which can be transported within a shipping container by truck.
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The world's most fascinating sci-fi islands

The world's most fascinating sci-fi islands | Sustainable Technologies | Scoop.it
gulfnews.comthe world's most fascinating sci-fi islandsgulfnews.comBased on the design of a lily pad, these mammoth floating islands could be used by people whose homes have been swallowed up by rising sea waters.
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Ocean Thermal Energy Conversion

  What is Ocean Thermal Energy Conversion?

The oceans cover a little more than 70 percent of the Earth's surface.  This makes them the world's largest solar energy collector and energy storage system. On an average day, 60 million square kilometers (23 million square miles) of tropical seas absorb an amount of solar radiation equal in heat content to about 250 billion barrels of oil.  If less than one-tenth of one percent of this stored solar energy could be converted into electric power, it would supply more than 20 times the total amount of electricity consumed in the United States on any given day.

Ocean Thermal Energy Conversion: An Overview is the primary source document used to create the content on this web site.

 

OTEC, or ocean thermal energy conversion, is an energy technology that converts solar radiation to electric power. OTEC systems use the ocean's natural thermal gradient—the fact that the ocean's layers of water have different temperatures—to drive a power-producing cycle.

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Synthetic fuel made from air and water

Synthetic fuel made from air and water | Sustainable Technologies | Scoop.it
LONDON (Reuters) - A small British company has developed a way to create petrol from air and water, technology it hopes may one day contribu...
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Billionaire Plans to Turn Hawaiian Island Into a Solar-Powered "Eco Lab"

Billionaire Plans to Turn Hawaiian Island Into a Solar-Powered "Eco Lab" | Sustainable Technologies | Scoop.it
Oracle CEO Larry Ellison bought nearly the entire island of Lanai for $500 million. Now, he says he's going to turn it into a sustainable paradise filled with electric cars, organic farms, and solar power.

Via Alan Yoshioka
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Rescooped by Kalani Kirk Hausman from Sustainable Thinking
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A More Exciting Design For Wind Power

A More Exciting Design For Wind Power | Sustainable Technologies | Scoop.it
It may be full of potential, but wind power is still a young industry with many design challenges that prevent it from scaling up.

Via Wa Gon
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eosfuturedesign's curator insight, February 12, 2013 1:23 PM

Brilliant for smaller applications but can it match a conventional 3MW capity blade turbine? 

 

 

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Biofuel expert explains how future innovations could help realize algal biofuels' full potential

Biofuel expert explains how future innovations could help realize algal biofuels' full potential | Sustainable Technologies | Scoop.it
(Phys.org)—Scaling up the production of biofuels made from algae to meet at least 5 percent – about 10 billion gallons – of U.S.
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City in Dubai that will rely entirely on solar and other renewable energy sources.

City in Dubai that will rely entirely on solar and other renewable energy sources. | Sustainable Technologies | Scoop.it
It’s called Masdar City, and is currently a project in Abu Dhabi. It’s a planned city currently being built by the Abu Dhabi Future Energy Company, with governmental aid. The city, which is designed by Foster and Partners, is going to rely completely on solar energy and other renewable energy sources AND have a sustainable, zero-carbon, zero-waste ecology. Read more at http://www.omg-facts.com/Technology/A-city-is-currently-being-built-in-Dubai/54127?id=54127&c_val=1#k89VBLkR5SrzkELr.99
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A Survey of Futuristic Floating Cities

A Survey of Futuristic Floating Cities | Sustainable Technologies | Scoop.it

"Floating cities might seem like something straight out of the science fiction book you picked up at the airport on a whim and couldn’t finish, but the concept may just save our world’s coastal dwelling, climate-affected souls."

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13,000-square-foot green roof ‘urban farm’ proposed for Boston

13,000-square-foot green roof ‘urban farm’ proposed for Boston | Sustainable Technologies | Scoop.it
RT @AgBlogFeed: 13,000-square-foot green roof ‘urban farm’ proposed for Boston http://t.co/d9ZzSExn #agchat #urbanag...

Via Alan Yoshioka
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Massachusetts Aquaponic Farm Stays Afloat Following Hurricane Irene

Massachusetts Aquaponic Farm Stays Afloat Following Hurricane Irene | Sustainable Technologies | Scoop.it

Note that this is Hurricane Irene and NOT Sandy ....  hope all is well there now ...

 

Massachusetts aquaponic farms are the future of agriculture as they afloat in tough times like Hurricane Irene. Find out why here. (Hydroponic farms can (and WILL) prevail! As long as you're prepared, that is...


Via Alan Yoshioka
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Google-backed Cool Planet hopes to raise (a lot of) money for biofuel plant

Google-backed Cool Planet hopes to raise (a lot of) money for biofuel plant | Sustainable Technologies | Scoop.it
 

Cool Planet Energy Systems has lined up some big-name investors (Google Ventures, BP, ConocoPhillips, NRG) and made some bold claims about its ability to produce cheap biofuels that can be a direct gasoline replacement.
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LiquidPiston unveils 40-bhp X2 rotary engine with 75 percent thermal efficiency

LiquidPiston unveils 40-bhp X2 rotary engine with 75 percent thermal efficiency | Sustainable Technologies | Scoop.it
LiquidPiston has developed its X2 rotary engine that boasts a thermal efficiency of 75 percent.
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10 Awesome Gadgets To Reuse Water

10 Awesome Gadgets To Reuse Water | Sustainable Technologies | Scoop.it
Meet some of the coolest ideas to save water.

Via Wa Gon
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Producing jet fuel at sea using carbon dioxide and hydrogen

Producing jet fuel at sea using carbon dioxide and hydrogen | Sustainable Technologies | Scoop.it
A comparative cost/benefit and energy balance analysis addresses the critical scientific and technical challenges that impact the economic feasibility of synthesizing up to 100 000 gal per day of jet fuel at sea using carbon dioxide (CO2) and...
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Navy aims to turn seawater into jet fuel

Navy aims to turn seawater into jet fuel | Sustainable Technologies | Scoop.it
The U.S. Navy may need to look no further than the water around its ships to produce jet fuel, according to a program underway at its resear...
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Recycling of Plastics

Recycling of Plastics | Sustainable Technologies | Scoop.it

Recycling and reuse of plastics is gaining importance as a sustainable method for plastic waste disposal. Unfortunately, plastic is much more difficult to recycle than materials like glass, aluminum or paper.


Via Salman Zafar, CCRES
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How to double the power of solar panels

How to double the power of solar panels | Sustainable Technologies | Scoop.it
Solar collectors: A micrograph shows silicon nanowires produced by Bandgap Engineering. They can help a solar cell absorb more light.

Via Wa Gon
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