Chitosan is a natural polycationic polymer which possesses valuable properties as a metal recovering and water purifying agent. Applications are
—waste water treatment for heavy metal and radio isotope removal and valuable metal recovery,
—potable water purification for reduction of unwanted metals,
—agriculture—controlled release of trace metals essential to plant growth,
—food—complex binding of iron in precooked food to reduce ‘warmed‐over flavour’.
The interactions of metals with chitosan are com…
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