News tagged with waste
Lithium to be extracted from geothermal waste
Dec 14, 2009 |
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(PhysOrg.com) -- A technique developed by a Californian company, Simbol Mining, will enable the valuable mineral lithium, widely used in high-density batteries, to be reclaimed from the hot waste water produced ...
Smashing trash with solar power
Dec 21, 2009 |
3.7 / 5 (3) |
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They seem to turn heads wherever they're installed: new solar-powered trash compactors that are meant to save time and energy.
'Rock-breathing' bacteria could generate electricity and clean up oil spills
Dec 14, 2009 |
3.5 / 5 (8) |
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A discovery by scientists at the University of East Anglia (UEA) could contribute to the development of systems that use domestic or agricultural waste to generate clean electricity.
Valuable, rare, raw earth materials extracted from industrial waste stream
Dec 15, 2009 |
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Fierce competition over raw materials for new green technologies could become a thing of the past, thanks to a discovery by scientists from the University of Leeds.
Turning heat to electricity... efficiently
Nov 18, 2009 |
4.8 / 5 (65) |
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(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...
Crashing the size barrier
Nov 18, 2009 |
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Like surfers on monster waves, electrons can ride waves of plasma to very high energies in a very short distance. Scientists have proven that plasma acceleration works. Now they're developing it as a way to ...
US army to be powered by waste
Oct 12, 2009 |
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(PhysOrg.com) -- Defense company Qinetiq has been awarded a contract to supply the US army with a system that generates electricity from garbage.
Tiny super-plant can clean up animal waste, be used for ethanol production
Apr 07, 2009 |
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Researchers at North Carolina State University have found that a tiny aquatic plant can be used to clean up animal waste at industrial hog farms and potentially be part of the answer for the global energy ...
Vermicompost from pig manure grows healthy hibiscus
Dec 10, 2009 |
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Vermicomposting, the practice of using earthworms to turn waste into nutrient-rich fertilizer, can be an economical, organic waste management practice. During vermicomposting, earthworms and microorganisms stabilize organic ...
Study Finds that Styrofoam Increases Biodiesel Power Output
May 04, 2009 |
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(PhysOrg.com) -- By dissolving polystyrene packing peanuts in biodiesel, scientists have found that they can boost the power output of the fuel while getting rid of garbage at the same time.
'Catastrophic' e-waste fuels global toxic dump
Nov 13, 2009 |
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A "catastrophic accumulation" of dozens of millions of tonnes of "e-waste" from computers, cellphones and television sets is fuelling a global pile of hazardous waste, an international body warned Friday.
Breakthrough made in energy efficiency, use of waste heat
Apr 01, 2009 |
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Engineers at Oregon State University have made a major new advance in taking waste heat and using it to run a cooling system - a technology that can improve the energy efficiency of diesel engines, and perhaps some day will ...
Solar-powered LED light made of bottles
Electronics / Consumer & Gadgets
Jan 20, 2009 |
3.3 / 5 (23) |
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(PhysOrg.com) -- The Solarbulb, a new lighting gadget from miniWIZ, doesn't exactly come with all parts included: you have to add your own water or soda bottle. The LED Solarbulb screws onto just about any ...
America's increasing food waste is laying waste to the environment
Nov 25, 2009 |
3 / 5 (4) |
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Food waste contributes to excess consumption of freshwater and fossil fuels which, along with methane and carbon dioxide emissions from decomposing food, impacts global climate change. In a new paper published in the open-access, ...
Can Recycling Be Bad for the Environment?
Jul 14, 2009 |
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(PhysOrg.com) -- By now, nearly everyone knows that it is important to recycle. It helps the environment. Even my six-year-old knows that. But what if it doesn't? While it seems pretty straightforward, in ...
