Zeolite-based lightweight concrete products
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United States of America Patent
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Feb 27, 1996
Grant Date -
N/A
app pub date -
Jul 7, 1995
filing date -
Jul 7, 1995
priority date (Note) -
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Abstract
Lightweight concrete products, useful for example in blocks, wall panels, floor and roof slabs, in which zeolite is a major component, its content in the cementing material of the products exceeding 50 wt. %. Depending on application, zeolite may be non-treated or calcined at a temperature enabling the surface activation of the zeolite and resulting high surface energy. Zeolite thus treated will work as both pozzolanic material and bubble-generating agent. Strengthening agents are used to improve compressive strength of the products. Also, a binding material, useful for hazardous waste stabilization, comprising zeolite as a major component, is proposed.
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