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US 10,744,220 B2Granted
Apparatus for efficient removal of air pollutants
AssigneeHoneywell International Inc.
InventorsKai Huang, Marilyn Wang, Xingping Wang, Wesley Nie, Hailin Liu
Life of this patent
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Abstract
An apparatus for removing air pollutants from the air is described. The apparatus contains a fan module and a chamber that can hold either activated carbon or a gel that reacts with air pollutants from air.
Claims20
An apparatus for removing one or more air pollutants from air, comprising:
- at least one fan unit;
- and
- a chamber containing alternating layers of an activated carbon and a gel wherein the alternating layers of the activated carbon and the gel together remove the one or more air pollutants.
An apparatus for removing one or more air pollutants from air, comprising:
- at least one fan unit;
- and
- a chamber containing alternating layers of an activated carbon and a gel that together removes the one or more air pollutants, wherein the gel comprises:
- about 1 to about 10 wt % of carrageenan;
- about 1 to about 10 wt % of porous silica;
- about 0.1 to about 5 wt % of potassium chloride;
- about 0.1 to about 5 wt % of sodium hexametaphosphate;
- about 0.1 to about 5 wt % of aminoethanesulfonic acid;
- and
- water.
7 more elements
Dependencies are inferred from the claim text.