Process for material treatment
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United States of America Patent
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Issued Date -
Mar 15, 2007
app pub date -
May 18, 2004
filing date -
May 19, 2003
priority date (Note) -
Abandoned
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Abstract
The invention discloses a process for material treatment, which includes the step of subjecting used siliceous material to heat to obtain treated siliceous material. The process may be used to recycle used siliceous material. The invention also discloses a material treatment apparatus for treating used siliceous material, which includes heating means for heating used siliceous material to obtain treated siliceous material. The used siliceous material may be perlite and/or diatomaceous earth.
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