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Zero valent iron/iron oxide mineral/ferrous iron composite for treatment of a contaminate fluid


Title: Zero valent iron/iron oxide mineral/ferrous iron composite for treatment of a contaminate fluid.
Abstract: The present inventors have discovered a novel composition, method of making the composition, system, process for treating a fluid containing a contaminant. The fluid may be aqueous. The contaminated fluid may be in the form of a suspension. The treatment reduces the concentration of the contaminant. The reduction in concentration of a contaminant may be sufficient so as to effect remediation of the fluid with respect to the contaminant. The treatment may reduce the concentration of a plurality of contaminants. The present composition, system, and process are robust and flexible. The composition includes zero valent iron, an iron oxide mineral, and ferrous iron. The ferrous iron promotes maintenance of the iron oxide mineral. The iron oxide mineral promotes the activity of the zero valent iron. The process and system may involve multiple stages. A stage may be optimized for treatment with respect to a particular contaminant. The present composition, system, and process are effective for treating a fluid containing one or more of a variety of contaminants such as toxic metals, metalloids, oxyanions, and dissolved silica. It may be applied to treating various aqueous fluids, such as groundwater, subsurface water, and aqueous industrial waste streams. ... Browse recent The Texas A&m University System patents
USPTO Applicaton #: #20120273431
Inventors: Yongheng Huang



The Patent Description & Claims data below is from USPTO Patent Application 20120273431, Zero valent iron/iron oxide mineral/ferrous iron composite for treatment of a contaminate fluid.




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stats Patent Info
Application #
US 20120273431 A1
Publish Date
11/01/2012
Document #
13509963
File Date
09/20/2010
USPTO Class
210719
Other USPTO Classes
252178, 210209, 210207, 210201, 210192
International Class
/
Drawings
8


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Liquid Purification Or Separation   Processes   Making An Insoluble Substance Or Accreting Suspended Constituents   Including Chemical Reduction  

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