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Tag: "wastewater" at biology news

Plastic that grows on trees

...benefit: It is reusable, thus produces none of the wastewater in other methods that convert fructose to HMF. Metal chlorides belong to a class of ionic-liquid-soluble materials called halides, which “in general work well for converting fructose to HMF,” Zhang said — but not so well when glucose is the initia...

Leeches ferry infection among newts

... The Penn State researchers say fertilizer-laden wastewater from farms and other sources often causes increased growth of aquatic vegetation in ponds, providing leeches with a firmer footing. "It could lead to more leeches and create potential hotspots of disease," Raffel noted....

Bacterial response to oxidation studied as toxin barometer

...ng organisms that could be used to digest waste in wastewater treatment plants. When she noticed that the useful...eing in food processing and what we were seeing in wastewater systems.? She discovered that the ubiquitous Gram negative heterotrophic bacteria were being used ...

Better sludge through metagenomics

...ing of lawns, and the flush of a toilet. However, wastewater treatment--one of the cornerstones of modern civil...the first metagenomic study of an activated sludge wastewater treatment process. The research appeared online in the September 24 edition of the journal Nature Bi...

Pollution threatens coral health by preventing lesions from healing, UCF study shows

...program has listed coastal development and treated wastewater discharge as chronic problems along Florida's sout...at each of four sites: a City of Hollywood treated wastewater outfall, the Port Everglades inlet mouth, a second outfall next to a mouth of the Hillsborough Inlet...

Corn waste potentially more than ethanol

...nerate electricity from glucose and from municipal wastewater and that these cells can also directly generate hy...microbial fuel cells were inoculated with domestic wastewater and a nutrient medium containing glucose, the researchers report in the journal Energy and Fuels. On...

Earth Rx: A microbial biotechnology prescription for global environmental health

..., first adapted widely in the 1910s and 1920s when wastewater was cleaned up by a bacterial-laden sludge that speeds up the breakdown of the organic material in sewage. With recent advances in biology, materials, computing, and engineering, environmental biotechnologists now are able to use microbial communit...

UCR environmental scientists propose chemical solution to cleaning California's Salton Sea

... and polyacrylamide are commonly used in municipal wastewater treatment to remove phosphorus and solids, and the..., called a floc) and enhance salt removal. Used in wastewater treatment, it enhances coagulation and settling. The polymer acts as a coagulant aid by chemically b...

GROWing the next generation of water recycling plants

...e used twice before being placed into the national wastewater management system. "We had to carefully choose which semi-aquatic plants to use. One of the most successful is water mint, whose roots have disinfectant qualities," says Professor David Butler, who oversees the project at Imperial College. The other...

Toxic flood lifts lid on common urban pollution problem

...s "greater than those found in untreated municipal wastewater from the same service area," according to the study. The findings were based on periodic analysis of runoff that drains off Interstate 10 into Baton Rouge's City Park Lake just below the highway. Based on data first gathered in 1999, they revealed h...

Green catalyst destroys pesticides and munitions toxins, finds Carnegie Mellon University

...are man-made pollutants that mostly originate from wastewater discharges from the dye, pesticide and ammunition ...an be used over a much broader pH range, including wastewater pH conditions." Fe-TAMLs already have shown promise in killing a simulant of a biological warfare ...

Microbial fuel cell: High yield hydrogen source and wastewater cleaner

...roduction may help offset the substantial costs of wastewater treatment as well as provide a contribution to nat...the same microbial fuel cell we developed to clean wastewater and produce electricity. However, to produce hydrogen, we keep oxygen out of the MFC and add a small...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

...ed canal originally intended to channel irrigation wastewater from Central Valley farms to the Sacramento River Delta near Antioch. Selenium is considered an essential trace mineral for both humans and animals, but it becomes toxic at high doses. The dangers of selenium toxicity came to light in the 1980s when ...

Anti-bacterial additive widespread in U.S. waterways

...pharmaceuticals, personal care products andorganic wastewater contaminants evaluated.To determine the validity of the analysis, the researchers comparedtheir predicted nationwide levels of contamination to experimentallymeasured concentrations in the Greater Baltimore region, and found nostatistically significa...

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