Ultrathin, graphene-based membranes for water treatment and methods of their formation and use

A technology of deionized water and carrier, applied in water/sewage treatment, water/sludge/sewage treatment, osmosis/dialysis water/sewage treatment, etc.

Inactive Publication Date: 2016-09-21
UNIVERSITY OF SOUTH CAROLINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no technology is currently available to fabricate ultrathin (<5 nm

Method used

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  • Ultrathin, graphene-based membranes for water treatment and methods of their formation and use
  • Ultrathin, graphene-based membranes for water treatment and methods of their formation and use
  • Ultrathin, graphene-based membranes for water treatment and methods of their formation and use

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Embodiment Construction

[0025] Reference is now made to the embodiments of the invention, one or more implementations of which are set forth below. Each example is provided by way of explanation of the invention, not limitation of the invention. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as one embodiment can be used on another embodiment to yield a further embodiment. Thus, it is intended that the present invention includes modifications and variations within the scope of the appended claims and their equivalents. It should be understood by those skilled in the art that the present discussion is a description of exemplary embodiments only, and is not intended as a limitation of the broader aspects of the invention, which are embodied in the exemplary description.

[0026] A scalable filtration techni...

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Abstract

Methods are generally provided for forming a membrane. In one embodiment, the method includes: dispersing GO nanoparticles in a solvent; depositing the GO nanoparticles on a support to form a GO membrane; and reducing the GO membrane to form a rGO membrane. Also provided is the rGO membrane formed from such methods, along with a plurality of stacked rGO layers. Methods are also provided for separating water from a water/oil emulsion by, for example, passing water through the rGO membrane.

Description

[0001] priority information [0002] This application claims U.S. Provisional Patent Application Serial No. 61 / 914,011 filed by Miao Yu on December 10, 2013, entitled "Ultrathin, Graphene-Based Membranes for Water Treatment and Methods of Their Formation and Use" (with Ultrathin graphene-based membranes for water treatment and methods for their formation and use), which is incorporated herein by reference. technical field [0003] The present invention generally relates to methods of forming ultrathin graphene-based membranes with tunable pore sizes. The resulting ultrathin graphene-based membranes are particularly suitable for efficient water treatment. Background technique [0004] Clean water is important for many industrial processes and our daily lives. The petroleum industry produces a large amount of wastewater containing high concentrations of petroleum, including produced water brought to the surface during oil drilling, natural gas production, and refining waste...

Claims

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Application Information

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IPC IPC(8): B01D71/00B01D67/00B01D69/00
CPCB01D67/0046B01D67/0067B01D71/021C02F1/44C02F1/442C02F2101/325B01D69/10B01D67/0053B01D67/0083B01D67/009B01D71/025B01D2323/345B01D71/0211B01D61/027B01D61/243B01D67/0069B01D69/125B01D71/024B01D2323/08B01D2323/10B01D2323/34B01D2325/02
Inventor 于淼
Owner UNIVERSITY OF SOUTH CAROLINA
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