[특허]Pyridine-containing alkoxysilanes bonded to inorganic supports and processes of using the same for removing and concentr

Pyridine-containing alkoxysilanes bonded to inorganic supports and processes of using the same for removing and concentr 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C01G-055/00 G07F-007/18
출원번호	US-0432199 (1989-11-06)
발명자 / 주소	Tarbet Bryon J. (Provo UT) Bradshaw Jerald S. (Provo UT) Krakowiak Krzysztof E. (Provo UT) Izatt Reed M. (Provo UT) Bruening Ronald L. (Provo UT)
출원인 / 주소	Brigham Young University (Provo UT 02)
인용정보	피인용 횟수 : 28 인용 특허 : 0

초록 ▼

A method is disclosed for the quantitative removal and concentration of desired transition metal ions from a source solution which may contain larger concentrations of other metal and H+ions. The method comprises bringing the source solution into contact with a compound comprising a pyridine containing ligand covalently bonded through an organic spacer silicon grouping to a solid inorganic support. The pyridine portion(s) of the compound has an affinity for the desired metal ions to form a complex thereby removing the desired metal ions from the source solution. The desired metal ions are removed from the compound by contacting the compound with a much smaller volume of a receiving solution having a greater affinity for the desired metal ions than does the pyridine ligand portion of the compound. The concentrated metal ions thus removed may be recovered by known methods. The process is useful in removing unwanted metal ions from water streams and in the treatment of waste streams such as those containing metal ions from emulsions found in the treatment of photographic and x-ray films. The invention is also drawn to novel intermediates comprising pyridine containing ligands covalently bonded through a spacer grouping to a silane and to the final compounds formed by reacting the intermediates with a hydrophilic inorganic solid support material.

대표청구항 ▼

A method for the concentration and removal of desired heavy metal ions from a source solution which comprises (a) bringing said source solution having a first volume into contact with a compound comprising a pyridine containing ligand covalently bonded to a solid inorganic support having the formula: [Figure] wherein Spacer is a 1 to 10 carbon member hydrophilic grouping; A is a member selected from the group consisting of N, NH, S and O; B, D, G, and L are each members selected from the group consisting of NRx, 2-pyridyl or substituted 2-pyridyl, with x being 1 if NR is an intermediate part of a pyridine ligand and x being 2 if NR is at the terminal end of a pyridine ligand; a, c, g and h are each integers ranging from 1 to 5; e and j are each integers ranging from 0 to 5; and k is an integer of 0 or 1; with the proviso that k must be 0 when A is NH, S or O and k must be 1 when A is N; R is a member selected from the group consisting of H, lower alkyl, substituted lower alkyl, pyridyl or substituted pyridyl; with the further proviso that at least one of B or D and G or L must be 2-pyridyl or substituted 2-pyridyl and X′, Y′and Z′are each a member selected from the group consisting of Cl, Br, I, alkyl, alkoxy, substituted alkyl, substituted alkoxy and O-solid support with the proviso that at least one of X′, Y′and Z′must be O-solid support; said pyridine containing ligand portion of said compound having an affinity for the desired heavy metal ions to form a complex between said desired heavy metal ions and said pyridine containing ligand portion of said compound; (b) removing said source solution from contact with said compound to which said desired heavy metal ions have been complexed; and (c) contacting said compound having said desired heavy metal ions complexed thereto with a smaller volume of a receiving solution having a greater affinity for said desired heavy metal ions than said compound thereby breaking said complex and recovering the desired heavy metal ions in concentrated form in said smaller volume of said receiving solution.

이 특허를 인용한 특허 (28)

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Tavlarides Lawrence L. (Fayetteville NY) Deorkar Nandu (Syracuse NY), Chemically active ceramic compositions with a thiol and/or amine moiety.
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Tavlarides Lawrence L. (Fayetteville NY) Deorkar Nandu (Syracuse NY), Chemically active ceramic compositions with an hydroxyquinoline moiety.
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Levy, Ehud, Compositions and methods for controlling microorganism growth in water processing systems.
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Bruening, Ronald L.; Krakowiak, Krzysztof E., Compositions and methods for selectively binding amines or amino acid enantiomers over their counter-enantiomers.
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Bruening,Ronald L.; Krakowiak,Krzysztof E., Compositions and methods for separating amines and amino acids from their counter-enantiomers.
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Bruening, Ronald L.; Krakowiak, Krzysztof E.; Dearden, David Vernell; Haymore, Barry L.; Bruening, Milton, Compositions for separating heterocyclic aromatic amine bases, nucleosides, nucleotides, and nucleotide sequences.
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Parekh, Bipin S.; DiLeo, Anthony J.; Deane, Edward; Bruening, Ronald L., Filtration and purification method for aqueous acids.
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Bipin S. Parekh ; Anthony J. DiLeo ; Edward Deane ; Ronald L. Bruening, Filtration and purification system for pH neutral solutions.
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Meyer, Daniel; Conocar, OLivier; Moreau, Joel; Wong Chi Man, Michel, Inorganic-organic hybrid gels for extracting species such as lanthanides and actinides, and their preparation.
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Tongbo Jiang ; Anthony J. DiLeo ; Ronald L. Bruening, Metal loaded ligand bound membranes for metal ion affinity chromatography.
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Ronald L. Bruening ; Krzysztof E. Krakowiak, Method for concentrating, removing, and separating selected ions from source solutions using particulate solid supports functionalized with polyhydroxypyridinone ligands.
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Levy, Ehud; Barranco, Matthew D.; Tazi, Mohammed, Method for granulating powders.
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Goken Garold L. ; Orlandini Kent A. ; Erickson Mitchell D. ; Haddad Louis C. ; Seely David C. ; Hoffmann Keith M. ; Dallas Susan K., Method for radioactive species analysis using a self-scintillating sheet material.
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Tavlarides Lawrence L. ; Deorkar Nandu, Method of removing heavy metal ions from a liquid with chemically active ceramic compositions with a pyrogallol moiety.
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Tavlarides Lawrence L. ; Deorkar Nandu, Method of removing heavy metal ions from a liquid with chemically active ceramic compositions with an hydroxyquinoline m.
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Levy, Ehud, Nanocrystal-containing filtration media.
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Bruening, Ronald L.; Krakowiak, Krzysztof E., Particulate soild supports functionalized with EGTA ligands.
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Bruening Ronald L. ; Krakowiak Krzysztof E., Particulate solid supports functionalized with polyhydroxypyridinone ligands.
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Bruening Ronald L. ; Krakowiak Krzysztof E. ; Izatt Reed M. ; Bradshaw Jerald S., Poly N-cyclic aromatic ligands bonded to solid supports for removing and concentrating ions from solutions.
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Bruening, Ronald L.; Krakowiak, Krzysztof E., Polyamide-containing ligating agents bonded to inorganic and organic polymeric supports and methods of using the same for removing and concentrating desired metal ions from solutions.
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Ronald L. Bruening ; Krzysztof E. Krakowiak ; Anthony J. DiLeo ; Tongbo Jiang, Polymeric membranes functionalized with EGTA ligands.
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Bruening, Ronald L.; Krakowiak, Krzysztof E.; DiLeo, Anthony J.; Jiang, Tongbo, Polymeric membranes functionalized with EGTA ligands, and process of separating ions.
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Kurt C. Carlson ; Roger L. Langer, Solid phase extraction membrane.
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Levy,Ehud, Transition metal oxide-aluminosilicate purification media.
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Bruening, Ronald L.; Krakowiak, Krzysztof E.; DiLeo, Anthony J.; Jiang, Tongbo, Use of ion binding ligands attached to solid supports and membranes for ion removal from a biological system.
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