B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 45/00 (2006.01) B01J 39/20 (2006.01) C02F 1/42 (2006.01) C08F 8/00 (2006.01) C08F 212/02 (2006.01)
Patent
CA 2234880
The present invention is concerned with improved chelating resins. More particularly, the present invention is concerned with macroporous, aminoalkylphosphonic or iminodiacetic acid chelating resins having improved stability and capacity in the removal of cations (e.g. calcium, magnesium, barium and strontium) from brines and in the removal of metals (e.g. nickel, copper and zinc) from waste streams.
La présente invention concerne des résines chélatrices améliorées. Plus précisément, la présente invention concerne des résines chélatrices macroporeuses, à base d'acide aminoalkylphosphonique ou iminodiacétique, possédant une stabilité et une capacité améliorées pour l'élimination des cations (p. ex. calcium, magnésium, baryum et strontium) à partir de saumures, et pour l'élimination des métaux (p. ex. nickel, cuivre et zinc) à partir de circuits de déchets.
Franc Jacques
Hawecker Jeannot Lucien
Surowiec Joanna
Gowling Lafleur Henderson Llp
Rohm And Haas Company
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