C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/00 (2006.01) B01J 20/24 (2006.01) C02F 1/28 (2006.01)
Patent
CA 2364173
The invention relates to a novel agropolymer comprising carbohydrate and/or silica matrix substantially devoid of at least proteins, tannins and polyphenols and having metal binding reactive sites, a method of producing said novel agropolymers from plant material such as seed coats, husks or hulls of the various agricultural crops (Oryza sativa, Panicum miliaceum, Setaria italica, Cajanus cajan, Vigna mungo, Vigna radiata, Triticum sp., Ricinus communis, Helianthus annus, Gossypium sp. Arachis sp.), and a method of purifying of metal and ion polluted/contaminated aqueous solutions including metal or ion polluted drinking water or ground water using the said agropolymer.
La présente invention concerne un polymère d'origine agricole contenant des hydrates de carbone et/ou une matrice de silice, pratiquement sans protéines, tannins et polyphénols et possédant des sites réactifs capteurs de métaux, un procédé de production des ces polymères à partir de matériaux issus de plantes tels que des téguments, des coques ou des pellicules de nombreuses plantes agricoles cultivées (<i>Oryzai sativa, Panicum miliaceum, Setaria italica, Cajanus cajan, Vigna mungo, Vigna radiata, Triticum sp., Ricinus communis, Helianthus annus, Gossypium sp., Arachis sp.</i>), ainsi qu'un procédé de purification de solutions aqueuses polluées/contaminées par des métaux ou des ions, dont l'eau potable ou de l'eau de nappe phréatique polluée par des métaux ou des ions, à l'aide dudit polymère.
Bijam Bioscience Limited
Bijam Biosciences Private Limited
Blake Cassels & Graydon Llp
LandOfFree
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