News tagged with toxic environment

Onion soaks up heavy metal, researchers find

Onion and garlic waste from the food industry could be used to mop up hazardous heavy metals, including arsenic, cadmium, iron, lead, mercury and tin in contaminated materials, according to a research paper published in the ...

dateDec 10, 2012 in Environment
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Charcoal biofilter cleans up fertilizer waste gases

Removing the toxic and odorous emissions of ammonia from the industrial production of fertilizer is a costly and energy-intensive process. Now, researchers in Bangladesh have turned to microbes and inexpensive wood charcoal ...

dateOct 14, 2010 in Environment
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