Method of selenium removal
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 6, 2001
Grant Date -
N/A
app pub date -
Feb 11, 2000
filing date -
Feb 12, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Dissolved selenium is removed from contaminated water by treating the water in a reactor containing selected endemic and other selenium reducing organisms. Microbes may be isolated from the specific water or imported from other selenium contaminated water, The microbes are then screened for ability to reduce selenium under the site specific environmental conditions. The selected microbes are optimized for selenium reduction, then established in a high density biofilm within a reactor. The selenium contaminated water is passed through the reactor with optimized nutrient mix added as needed. The elemental selenium is precipitated and removed from the water.
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