Treatment of hygroscopic material
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United States of America Patent
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-
Jun 17, 1997
Grant Date -
N/A
app pub date -
May 8, 1996
filing date -
Nov 8, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for providing a water vapor-air mixture for treating a hygroscopic material having a mixing chamber, supply for providing air to the mixing chamber at a temperature in the range of 0.degree. C. to 80.degree. C. and at a pressure in the range of 1 to 3 bar, supply for providing steam to the mixing chamber at a temperature in the range of 100.degree. C. to 25.degree. C. and at a pressure in the range of 1 to 10 bar, the mixing chamber having an outlet in connection with a treatment chamber to provide the treatment chamber with a water vapor-air mixture at a temperature below 200.degree. C. and at a pressure in the range of 1 to 5 bar.
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