IP Library Granted Patent US 8,771,519
Granted Patent B2
US 8,771,519 · App. 13/891,563 · Granted Jul 8, 2014

Method of reducing a level of metallic species contamination of a fluid

Inventors: Anthony E. Kuhel (Solon, OH); Harry A. Adams (Bedford Heights, OH); Gina Sacco (Warren, OH)
Assignee: MAR Systems, Inc.
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Quick Facts
Patent No.
US 8,771,519
App. No.
13/891,563
Granted
Jul 8, 2014
Kind
B2
Abstract

Sorption media for removal of contaminants from fluid streams are provided. The sorption media comprise an active compound bound or linked to a support substrate or matrix. Support substrates can include iron- and alumina-based materials. A method for making sorption media for the removal of contaminants from fluid streams is also described. The method includes selecting a support substrate, and, optionally, providing a doping mixture comprising an active compound. The selected support substrate can be contacted with the doping mixture to form a doped mixture. The doped mixture can be reacted at a predetermined temperature and atmospheric environment for a predetermined duration to form an active media, wherein the active compound is bound or linked to the support substrate.

Claims (22)

1. A method of reducing a level of metallic species contamination of a fluid, the method comprising:

contacting the fluid including the metallic species contamination with a sorption media, wherein the sorption media comprises a sulfur species chemically bonded to a support substrate, wherein the support substrate comprises an iron species.

2. The method of claim 1 , wherein the sulfur species is chemically bonded to the support substrate by at least one of an ionic bond and a covalent bond.

3. The method of claim 1 , wherein the support substrate includes at least one of an iron-, alumina-, silicon-, titanium, and carbon-based substrate.

4. The method of claim 1 , the support substrate further comprising a copper species.

5. The method of claim 1 , wherein the support substrate comprises alumina.

6. The method of claim 1 , wherein the sulfur species comprises at least one of a sulfate, a sulfite, and a sulfide species.

7. The method of claim 1 , wherein the fluid comprises an aqueous liquid.

8. The method of claim 1 , wherein the metallic species contamination comprises at least one of arsenic, mercury, a D-block metal, and a heavy metal species.

9. The method of claim 1 , wherein the metallic species contamination comprises at least one of selenium, nickel, barium, strontium, uranium, lead, titanium, zinc, and chromium species.

10. The method of claim 1 , wherein the metallic species contamination comprises at least one ionic mercury species, the method further comprising selecting the sorption media for contacting the fluid from a plurality of sorption medias based on the sulfur species of the selected sorption media including a sulfide species.

11. A method of reducing a level of metallic species contamination of a fluid, the method comprising:

selecting a sorption media comprising a sulfate species chemically bonded to a support substrate for contacting the fluid from a plurality of sorption medias based on the metallic species contamination comprising at least one inorganic mercury species; and

contacting the fluid including the metallic species contamination with the selected sorption media.

12. A method of reducing a level of metallic species contamination of a fluid, the method comprising:

selecting a sorption media comprising a sulfate species and a sulfide species chemically bonded to a support substrate for contacting the fluid from a plurality of sorption medias based on the metallic species contamination comprising at least one inorganic mercury species and at least one ionic mercury species; and contacting the fluid including the metallic species contamination with the selected sorption media.

13. A method of reducing a level of metallic species contamination of a fluid, the method comprising:

selecting at least a first sorption media including a sulfate species chemically bonded to a first support substrate and a second sorption media including a sulfide species chemically bonded to a second support substrate for contacting the fluid from a plurality of sorption medias based on the metallic species contamination comprising at least one inorganic mercury species and at least one ionic mercury species; and

contacting the fluid including the metallic species contamination with the selected sorption medias.

14. The method of claim 1 , wherein at least a portion of the sorption media is entrained in a filter material.

15. A method of reducing a level of metallic species contamination of a fluid, the method comprising:

contacting the fluid including the metallic species contamination with a sorption media, wherein the sorption media comprises a sulfur species chemically bonded to a support substrate and wherein at least a portion of the sorption media is incorporated into a clay liner material.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 15, 2016
From: MAR SYSTEMS, INC.
To: THE FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/1982
Reel/Frame 039436/0362 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 8, 2016
From: KUHEL, ANTHONY E.; ADAMS, HARRY A.; SACCO, GINA
To: MAR SYSTEMS, INC.
Reel/Frame 038847/0516 →
Continuity (4)
Division 12830684 · Jul 6, 2010
Provisional Application 61223149 · Jul 6, 2009
Provisional Application 61310773 · Mar 5, 2010
Related Publication 20130240453A1 · Sep 19, 2013