公开(公告)号：US06596182B1

公开(公告)日：2003-07-22

申请号：US09776608

申请日：2001-02-02

申请人： F. Coyne Prenger ,  Dallas D. Hill ,  Dennis D. Padilla ,  Robert M. Wingo ,  Laura A. Worl ,  Michael D. Johnson

发明人： F. Coyne Prenger ,  Dallas D. Hill ,  Dennis D. Padilla ,  Robert M. Wingo ,  Laura A. Worl ,  Michael D. Johnson

IPC分类号： C02F100

CPC分类号： B01J20/28009 ,  B03C1/01 ,  B03C1/034 ,  C02F1/281 ,  C02F1/488 ,  C02F1/66 ,  C02F2101/20 ,  Y10S210/912 ,  Y10S210/913 ,  Y10S210/914

摘要： A process for removing heavy metals from water is provided. The process includes the steps of introducing magnetite to a quantity of water containing heavy metal. The magnetite is mixed with the water such that at least a portion of, and preferably the majority of, the heavy metal in the water is bound to the magnetite. Once this occurs the magnetite and absorbed metal is removed from the water by application of a magnetic field. In most applications the process is achieved by flowing the water through a solid magnetized matrix, such as steel wool, such that the magnetite magnetically binds to the solid matrix. The magnetized matrix preferably has remnant magnetism, but may also be subject to an externally applied magnetic field. Once the magnetite and associated heavy metal is bound to the matrix, it can be removed and disposed of, such as by reverse water or air and water flow through the matrix. The magnetite may be formed in-situ by the addition of the necessary quantities of Fe(II) and Fe(III) ions, or pre-formed magnetite may be added, or a combination of seed and in-situ formation may be used. The invention also relates to an apparatus for performing the removal of heavy metals from water using the process outlined above.

摘要翻译： 提供了从水中除去重金属的方法。 该方法包括将磁铁矿引入一定量的含重金属的水中的步骤。 磁铁矿与水混合，使得水中的重金属的至少一部分，优选大部分与磁铁矿结合。 一旦发生这种情况，磁铁矿和吸收的金属通过施加磁场从水中除去。 在大多数应用中，该过程通过使水流过诸如钢丝绒的固体磁化基质来实现，使得磁铁矿磁性地结合固体基质。 磁化基体优选具有残余磁性，但也可能经受外部施加的磁场。 一旦磁铁矿和相关重金属与基质结合，就可以将其除去并处理，例如通过反向水或空气和水流过基质。 磁铁矿可以通过添加必需量的Fe（II）和Fe（III）离子而原地形成，或者可以加入预形成的磁铁矿，或者可以使用种子和原位形成的组合。 本发明还涉及使用上述方法从水中除去重金属的设备。

公开(公告)号：US5538701A

公开(公告)日：1996-07-23

申请号：US203978

申请日：1994-02-28

申请人： Larry R. Avens ,  Dallas D. Hill ,  F. Coyne Prenger ,  Walter F. Stewart ,  Thomas L. Tolt ,  Laura A. Worl

发明人： Larry R. Avens ,  Dallas D. Hill ,  F. Coyne Prenger ,  Walter F. Stewart ,  Thomas L. Tolt ,  Laura A. Worl

IPC分类号： C01G56/00 ,  C01G57/00

CPC分类号： C01G56/004

摘要： A process of separating actinide-containing components from an admixture including forming a slurry including actinide-containing components within an admixture, said slurry including a dispersion-promoting surfactant, adjusting the pH of the slurry to within a desired range, and, passing said slurry through a pretreated matrix material, said matrix material adapted to generate high magnetic field gradients upon the application of a strong magnetic field exceeding about 0.1 Tesla whereupon a portion of said actinide-containing components are separated from said slurry and remain adhered upon said matrix material is provided.

摘要翻译： 一种从混合物中分离含锕组分的方法，包括在混合物中形成包含含锕组分的组分的浆料，所述浆料包括分散体促进表面活性剂，将浆料的pH调节到所需范围内，并使所述浆料 通过预处理的基质材料，所述基体材料适于在施加超过约0.1特斯拉的强磁场时产生高磁场梯度，于是所述含锕组分的组分的一部分与所述浆料分离并保持粘附在所述基质材料上 提供。