Abstract
A composite material useful for removing heavy metal ions from solutions such as aqueous waste streams comprises a ceramic inorganic support such as silica gel which is covalently bonded, through a silane coupling agent, to a hydroxyquinoline ligand or such a support which has been reacted with a silylating agent and then on which is deposited a hydroxyquinoline ligand.
Original language | English (US) |
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Patent number | 5,668,079 |
State | Published - Sep 16 1997 |