Selenium has been referred to as an "essential toxin" due to the fact that it shows only a marginal line between the nutritious requirement and toxic effects upon exposure. The steep dose response ...

Giant “bathtubs” containing microbes that naturally remove selenium and nitrate from mine-affected water could be the answer to Teck’s water quality woes. Saturated rock fills are one of two ...

Selenium is a group 16 element with the atomic number 34. It is a metalloid and shares several of its properties with oxygen and sulfur, which are the most well-known members of this group.

Biological Selenium Removal: Solution To Pollution?. ScienceDaily. Retrieved June 4, 2025 from www.sciencedaily.com / releases / 2008 / 09 / 080915121321.htm. Soil Science Society of America.

A study funded by the European Union, published in the September-October issue of the Journal of Environmental Quality, demonstrates that the biological treatment is indeed efficient for selenate ...