Method for decontaminating a material and an assembly for carrying out said method
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United States of America Patent
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-
Jan 15, 1991
Grant Date -
N/A
app pub date -
Jan 4, 1989
filing date -
Jan 5, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and an assembly for decontaminating a material. The material is charged into a container, where at first steam is introduced and fluids including some contaminants are removed. Then extractant is introduced into the container, and fluids comprising condensation water, extractant and contaminants are removed. Then the material is stripped with vapor. The dry or slightly humid material in the container is removed in a condition suitable for return to its place of origin. The used extractant can be purified to be re-used.
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