MULTI-FILTRATION AIR PURIFICATION SYSTEM
In various examples, the subject matter of this disclosure relates to devices, systems, and methods for multi-filtration air purification systems. According to one embodiment, a multi-filtration air purification system can include a first air filter including photocatalytic oxidizer (PCO) filter having a ultraviolet (UV) emitter, where the first air filter can be disposed within an air filter receiving region of the multi-filtration air purification system. In an implementation, the multi-filtration air purification system can include a second air filter disposed within an air exhaust region or within the air filter receiving region of the multi-filtration air purification system. In some instances, the second air filter can include at least one of a cold catalytic oxidation (CCO) filter, or a thermal catalytic oxidation (TCO) filter.
1 . A multi-filtration air purification system, the system comprising:
a first air filter comprising photocatalytic oxidizer (PCO) filter comprising an ultraviolet (UV) emitter, wherein the first air filter is disposed within an air filter receiving region of the multi-filtration air purification system; and
a second air filter disposed within an air exhaust region of the multi-filtration air purification system.
2 . The multi-filtration air purification system of claim 1 , wherein the first air filter comprises an ultraviolet (UV) band C emitter.
3 . The multi-filtration air purification system of claim 1 , wherein the UV emitter is configured to emit light having a wavelength in a range of approximately 200-400 nm.
4 . The multi-filtration air purification system of claim 1 , wherein the second air filter comprises at least one of a cold catalytic oxidation (CCO) filter, or a thermal catalytic oxidation (TCO) filter.
5 . The multi-filtration air purification system of claim 1 , further comprising a third air filter disposed over the first air filter, the third air filter comprising a high efficiency particulate air (HEPA) filter and configured to fit over, and cover, the first air filter.
6 . The multi-filtration air purification system of claim 5 , wherein the third air filter comprises at least one of a removable air filter, or a replaceable air filter.
7 . The multi-filtration air purification system of claim 5 , further comprising a fourth air filter disposed over the third air filter, the fourth air filter comprising a pre-filter and configured to fit over, and cover, the third air filter.
8 . The multi-filtration air purification system of claim 7 , wherein the fourth air filter comprises at least one of a removable air filter, or a replaceable air filter.
9 . The multi-filtration air purification system of claim 1 , wherein the first air filter comprises one or more PCO filters.
10 . The multi-filtration air purification system of claim 1 , wherein the first air filter comprises a top PCO filter and a bottom PCO filter.
11 . A multi-filtration air purification system, the system comprising:
an ultraviolet (UV) emitter disposed within an air filter receiving region of the multi-filtration air purification system; and
a first air filter disposed within the air filter receiving region.
12 . The multi-filtration air purification system of claim 11 , wherein the first air filter comprises at least one of a CCO filter, or a TCO filter.
13 . The multi-filtration air purification system of claim 11 , further comprising a second air filter disposed over the first air filter, the second air filter comprising a PCO filter and configured to fit over, and cover, the first air filter.
14 . The multi-filtration air purification system of claim 13 , wherein the second air filter comprises at least one of a removable air filter, or a replaceable air filter.
15 . The multi-filtration air purification system of claim 14 , further comprising a third air filter disposed over the second air filter, the third air filter comprising at least one of a HEPA filter or a pre-filter, and configured to fit over, and cover, the second air filter.
16 . The multi-filtration air purification system of claim 15 , wherein the third air filter comprises at least one of a removable air filter, or a replaceable air filter.
17 . The multi-filtration air purification system of claim 11 , wherein the first air filter comprises a PCO filter.
18 . The multi-filtration air purification system of claim 11 , wherein the first air filter comprises at least one of a removable air filter, or a replaceable air filter.
19 . The multi-filtration air purification system of claim 17 , further comprising a second air filter disposed over the first air filter, the second air filter comprising at least one of a CCO filter, a TCO filter, or a HEPA filter and configured to fit over, and cover, the first air filter.
20 . The multi-filtration air purification system of claim 19 , wherein the second air filter comprises at least one of a removable air filter, or a replaceable air filter.
21 . A multi-filter air purification method, the method comprising:
using a first air filter comprising photocatalytic oxidizer (PCO) comprising a ultraviolet (UV) emitter configured to filter incoming air for harmful pathogens, wherein the first air filter is disposed within an air filter receiving region of the multi-filtration air purification system; and
using a second air filter disposed within the multi-filtration air purification system to filter volatile organic compounds (VOCs) produced by the first air filter.
22 . The method of claim 21 , wherein the second air filter is disposed within an air exhaust region or disposed within the air filter receiving region of the multi-filtration air purification system.
23 . The method of claim 21 , wherein the second air filter comprises at least one of a cold catalytic oxidation (CCO) filter, or a thermal catalytic oxidation (TCO) filter.