Material, filter, and device for removing contaminant

Patent metadata

Field	Value
Publication number	US-11701635-B2
Application number	US-202017032185-A
Country	US
Kind code	B2
Filing date	Sep 25, 2020
Priority date	Feb 19, 2020
Publication date	Jul 18, 2023
Grant date	Jul 18, 2023

Abstract

A material for removing a contaminant, the material including an adsorption material for adsorption of a contaminant and a decomposition material for decomposition of a contaminant, wherein the adsorption material and the decomposition material are complexed with each other, and a contaminant decomposition onset temperature of the decomposition material is equal to or lower than a contaminant desorption onset temperature of the adsorption material.

First claim

What is claimed is:

1. A material for removing a contaminant, the material comprising
an adsorption material for adsorption of the contaminant and
a decomposition material for decomposition of the contaminant,
wherein the adsorption material and the decomposition material are complexed with each other, and
a contaminant decomposition onset temperature of the decomposition material is equal to or lower than a contaminant desorption onset temperature of the adsorption material.

2. The material of claim 1 , wherein the adsorption material comprises carbon.

3. The material of claim 2 , wherein the adsorption material comprises activated carbon, carbon fibers, carbon rods, graphene, a porous carbon-based compound, or a combination thereof.

4. The material of claim 1 , wherein the adsorption material comprises an oxide.

5. The material of claim 1 , wherein the adsorption material comprises an oxide of an element of Group 4, an element of Group 5, an element of Group 6, an element of Group 7, an element of Group 8, an element of Group 9, an element of Group 10, an element of Group 11, an element of Group 12, a lanthanide element, aluminum, gallium, indium, thallium, silicon, germanium, tin, lead, phosphorus, arsenic, antimony, bismuth, magnesium, or a combination thereof.

6. The material of claim 1 , wherein the adsorption material is a spherical particle, a tubular particle, a rod-shaped particle, a fibrous particle, or a plate-shaped particle.

7. The material of claim 1 , wherein the adsorption material is a porous material.

8. The material of claim 1 , wherein the adsorption material is a porous material comprising micropores of 2 nanometers or less, mesopores in a range of 2 nanometers to about 50 nanometers, macropores of 50 nanometers or greater, or a combination thereof.

9. The material of claim 1 , wherein the decomposition material comprises a metal, a metal oxide, or a combination thereof, and
the metal, the metal oxide, or the combination thereof comprises a transition metal, a lanthanide metal, or a combination thereof.

10. The material of claim 9 , wherein the metal, the metal oxide, or the combination thereof comprises an element of Group 4, an element of Group 5, an element of Group 6, an element of Group 7, an element of Group 8, an element of Group 9, an element of Group 10, an element of Group 11, a lanthanide element, or a combination thereof.

11. The material of claim 9 , wherein
the decomposition material comprises a metal and a metal oxide, and
the metal and the metal oxide each comprise two or more metals that are different from each other.

12. The material of claim 1 , wherein the decomposition material is a spherical particle, and
a D50 particle diameter of the decomposition material is in a range of 1 nanometer to 500 nanometers.

13. The material of claim 1 , wherein the decomposition material is supported on a surface of the adsorption material.

14. The material of claim 1 , wherein an amount of the decomposition material is in a range of 0.1 parts by weight to 50 parts by weight, per 100 parts by weight of the adsorption material.

15. The material of claim 1 , wherein the contaminant decomposition onset temperature of the decomposition material is equal to the contaminant desorption onset temperature of the adsorption material, or is lower than the contaminant desorption onset temperature of the adsorption material by 1° C. to 80° C.

16. The material of claim 1 , wherein the contaminant decomposition onset temperature of the decomposition material is in a range of 100° C. to 160° C., and
the contaminant desorption onset temperature of the adsorption material is in a range of 120° C. to 200° C.

17. A filter for removing a contaminant, the filter comprising:
the material of claim 1 ; and
a heating tool for transferring heat to the decomposition material in the material.

18. The filter of claim 17 , wherein the heating tool comprises a heating element and a sensor for measuring a temperature.

19. A device for removing a contaminant, the device comprising a filter for removing the contaminant, the filter comprising:
the material of claim 1 ; and
a heating tool for transferring heat to the decomposition material in the material.

20. The device of claim 19 , wherein the device further comprises a sensor for measuring a concentration of the contaminant to measure a concentration of the contaminant adsorbed to the adsorption material in the filter.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Ji Sangmin
• Lee Hyun ChuI
• Kwon Hyukjae
• Yang Dongsik

Classifications

• B01J20/20 Primary

  comprising free carbon; comprising carbon obtained by carbonising processes · CPC title

• B01D46/0036

  by adsorption or absorption · CPC title

• B01D46/4263

  Means for active heating or cooling · CPC title

• B01D53/02

  by adsorption, e.g. preparative gas chromatography {(solid sorbent compositions B01J20/00, preparation of inorganic compounds or elements C01)} · CPC title

• B01J20/06

  comprising oxides or hydroxides of metals not provided for in group B01J20/04 · CPC title