Process for material treatment
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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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Citations
45 Claims
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1-22. -22. (canceled)
- 23. A process for material treatment for recycling used siliceous material, which includes the step of heating by means at least one process selected from the group consisting of calcification and flash combustion, the used siliceous material being selected from the group comprising perlite and diatomaceous earth and having been used in at least one of the applications selected from the group consisting of constructional, industrial, filtration and horticultural applications.
- 35. A material treatment apparatus for treating used siliceous material for recycling used siliceous material, which includes at least one heating means selected from the group consisting of calcification and flash combustion and is adapted to be used for heating used siliceous material to obtain treated siliceous material, the used siliceous material being selected from the group consisting of perlite and diatomaceous earth and which has been used in at least one of the applications selected from the group comprising constructional, industrial, filtration and horticultural applications.
Specification