Sewage sludge, wastewater and liquid manure are valuable sources of fertilizer for food production. Fraunhofer researchers have now developed a chemical-free, eco-friendly process that enables the recovered salts to be converted ...
Engineering
Aug 3, 2012
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Let algae do the dirty work. Researchers at Rochester Institute of Technology are developing biodiesel from microalgae grown in wastewater. The project is doubly "green" because algae consume nitrates and phosphates and reduce ...
Energy & Green Tech
Feb 17, 2011
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A recent study by a team of researchers at the University of Arizona has tracked the incident of pathogens in biosolids over a 19 year period in one major U.S. city. In the same study, the researchers also analyzed pathogen ...
Environment
Jan 3, 2011
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(PhysOrg.com) -- Lesbians who turn to sperm donors to conceive are finding it easier to do so, but only if they have the money to pay for it, according to a new study.
Social Sciences
Aug 19, 2010
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Scientists as well as fertility doctors have long tried to figure out what makes a good egg that will produce a healthy embryo. It's a particularly critical question for fertility doctors deciding which eggs isolated from ...
Cell & Microbiology
Aug 9, 2010
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Throughout the world, nitrogen compounds are released to the atmosphere from agricultural activities and combustion of fossil fuels. These pollutants are deposited to ecosystems as precipitation, gases, and particles, sometimes ...
Ecology
Mar 16, 2009
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(PhysOrg.com) -- Researchers have developed a new technique using sensors to constantly monitor the health of bacteria critical to wastewater treatment facilities and have verified a theory that copper is vital to the proper ...
Feb 4, 2009
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