Poisonous heavy metals contaminating thousands of sites nationwide threaten to enter the food chain, and there's been no easy way to remove them. An experimental chemical bath and electrochemical filter could now extract heavy metals from the soil and leave fields safe.
from Latest Science News -- ScienceDaily http://bit.ly/2Wfe6i6
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Tuesday, June 4, 2019
New process to rinse heavy metals from soils
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