Method for reducing the availability of heavy metal...

Details Method for reducing the availability of heavy metal... Method for reducing the availability of heavy metal...

A - Human Necessities

01

N

A01N 25/32 (2006.01) C05G 3/04 (2006.01) C09K 17/22 (2006.01)

Patent

CA 2325490

The invention relates to a method for reducing the availability of heavy metals nutrients in substrates, such as soils. The inventive method is characterized in that the substrates are treated with cross-linked polyacrylates or polymethacrylates. The poly(meth)acrylates can be worked into the soils.

L'invention concerne un procédé qui permet de diminuer la biodisponibilité des métaux lourds pour les végétaux dans des substrats, tels que le sol. Le procédé est caractérisé par le fait que l'on traite lesdits substrats avec des polyacrylates ou des polyméthacrylates réticulés. Les poly(méth)acrylates peuvent être assimilés par le sol.

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