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US 2011/0296991 A1Published application
Heavy metal removal methods and systems
AssigneeConocoPhillips Company
InventorsMark A. Hughes, Roland Schmidt, John M. Hays
Life of this patent
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Abstract
A support impregnated with selenium and capable of effectively removing a heavy metal from a process stream that is at an ambient temperature or is at an elevated temperature.
Claims20
A system comprising:
- a porous support impregnated with selenium, wherein the support is made of a substrate made porous;
- and
- a process stream in fluid communication with the support, wherein the stream contains one or more heavy metals for removal using the support.
A support comprising:
- a substrate impregnated with selenium to provide the support that is at a temperature greater than 100° C. and is suitable for use in removal of one or more heavy metal from a process stream, wherein the substrate is activated to become porous before being impregnated.
A method comprising:
- preparing a porous support, wherein a substrate for the porous support is activated to become porous;
- impregnating the porous support with selenium;
- preparing a bed of the impregnated porous support;
- and
- running a process stream through the bed thereby removing one or more heavy metals from the process stream.
2 more elements
Dependencies are inferred from the claim text.