Use of material based on organic and/or inorganic fibres and chitosan for fixing metal ions
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United States of America Patent
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Mar 13, 2007
Grant Date -
Dec 2, 2004
app pub date -
Jul 15, 2002
filing date -
Jul 25, 2001
priority date (Note) -
Expired
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Abstract
The invention concerns the use of a material based on organic and/or inorganic fibres and chitosan for fixing metal ions contained in an effluent. The invention is characterised in that chitosan represents between 0.01 and 20% by dry weight of fibres and its degree of deacetylation is higher than 90%.
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