Method for removing phosphorus and method for reutilizing recovered phosphorus
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United States of America Patent
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Apr 7, 2009
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N/A
app pub date -
Nov 9, 2007
filing date -
Nov 9, 2007
priority date (Note) -
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Abstract
A method for removing phosphorus is provided in which eutrophic water as a treatment target is supplied to fly ash thereby removing phosphorus contained in the eutrophic water. The fly ash includes about 3% or more calcium oxide as a component. Alternatively, the fly ash consists of a double-structure embedding fine particles in a cavity of a hollow-particle structure having a hole in a part of the surface. Alternatively, the fly ash includes about 3% or more calcium oxide as a component and consisting of a double structure embedding fine particles in a cavity of a hollow-particle structure having a hole in a part of the surface.
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