# US 10,441,914 B2 · Radial air purification system for removal of contaminants from a gas and methods of fabrication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,441,914 B2 - Document ID: US10441914B2 - Status: Granted - Kind: B2 - Application number: 15/806,410 - Filed: 2017-11-08 - Published: 2018-05-10 - Granted: 2019-10-15 - Earliest claimed: 2016-11-10 - Assignees: Pure Air Filtration, LLC - Applicants: Pure Air Filtration, LLC - Inventors: Kevin F. Jameson - Web page: https://patentgrep.com/patent/US10441914B2 ## CPC - B01D 53/0431: {Beds with radial gas flow} - B01J 20/2805: {Sorbents inside a permeable or porous casing, e.g. inside a container, bag or membrane} - B01D 2253/102: Carbon - B01D 2253/104: Alumina - B01D 2253/25: Coated, impregnated or composite adsorbents - B01D 2257/106: Ozone - B01D 2257/2047: Hydrofluoric acid - B01D 2257/302: Sulfur oxides - B01D 2257/304: Hydrogen sulfide - B01D 2257/404: Nitrogen oxides other than dinitrogen oxide - B01D 2257/502: Carbon monoxide - B01D 2257/7025: Methane - B01D 2257/7027: Aromatic hydrocarbons - B01D 2257/708: Volatile organic compounds V.O.C.'s - B01D 2258/0283: Flue gases - Y02C 20/20: of methane - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - Y02C: CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG] ## Abstract A radial air purification system, a method of forming the purification system, and methods of removing at least one contaminant from a gas using the purification system are provided. The radial air purification system includes adsorbent media tubular supports that are fabricated using a fiberglass grating structure to provide increased strength, corrosion resistance, reduction in weight, and lower fabrication costs. ## Claims ### Claim 1 A radial gas purification system, comprising: a hollow cylindrical housing having a circular base at a bottom, a circular lid at a top, and a side extending therebetween; a gas inlet in the side of the hollow cylindrical housing for feeding gas into the hollow cylindrical housing; a first outer tubular support disposed concentrically within the hollow cylindrical housing; a second inner tubular support disposed concentrically within the first outer tubular support; an adsorbent media space disposed between the first outer tubular support and the second inner tubular support; a purified gas outlet extending within the second inner tubular support and upwards through the circular lid; and the first outer tubular support and the second inner tubular support each comprising: at least one fiberglass grating formed into a circular shape to form a tubular structure, each of the at least one fiberglass grating comprising a first set of bars and a second set of bars, the first and second set of bars being interlaced, the first set of bars running parallel to each other, and the second set of bars running parallel to each other; and a porous layer disposed along an inner circumference of the tubular structure, along an outer circumference of the tubular structure, or along both the inner and outer circumferences of the tubular structure. ### Claim 2 (depends on 1) The radial gas purification system of claim 1, wherein the first outer tubular support comprises at least two pultruded fiberglass gratings, each pultruded fiberglass grating formed into a semicircular shape, with two semicircular shaped pultruded fiberglass gratings connected to form the first outer tubular structure. ### Claim 3 (depends on 1) The radial gas purification system of claim 1, wherein the second inner tubular support comprises at least two pultruded fiberglass gratings, each pultruded fiberglass grating formed into a semicircular shape, with two semicircular shaped pultruded fiberglass gratings connected to form the second inner tubular structure. ### Claim 4 (depends on 1) The radial gas purification system of claim 1, wherein the fiberglass gratings are pultruded, the first set of bars are I-bars, and the second set of bars are bearing bars. ### Claim 5 (depends on 3) The radial gas purification system of claim 3, wherein the first set of bars are I-bars, and the second set of bars are bearing bars. ### Claim 6 (depends on 1) The radial gas purification system of claim 1, wherein the first outer tubular support comprises a flat pultruded fiberglass grating having the first set of bars extending perpendicular to the second set of bars, the flat pultruded fiberglass grating being bent into the circular shape. ### Claim 7 (depends on 1) The radial gas purification system of claim 1, wherein the second inner tubular support comprises a flat pultruded fiberglass grating having the first set of bars extending perpendicular to the second set of bars, the flat pultruded fiberglass grating being bent into the circular shape. ### Claim 8 (depends on 7) The radial gas purification system of claim 7, wherein the fiberglass gratings are pultruded, the first set of bars are I-bars, and the second set of bars are bearing bars. ### Claim 9 (depends on 8) The radial gas purification system of claim 8, wherein the pultruded fiberglass gratings are bent along a length of the bearing bars. ### Claim 10 A tubular support for supporting adsorbent media within a radial air purification system, comprising: at least one fiberglass grating formed into a circular shape to form a tubular structure, the at least one fiberglass grating comprising a first set of bars and a second set of bars, the first and second set of bars being interlaced, the first set of bars running parallel to each other, and the second set of bars running parallel to each other; and a porous layer disposed along an inner circumference of the tubular structure, along an outer circumferences of the tubular structure, or along both the inner and outer circumferences of the tubular structure. ### Claim 11 (depends on 10) The tubular support of claim 10, wherein the tubular support comprises at least two pultruded fiberglass gratings, each pultruded fiberglass grating formed into a semicircular shape, with two semicircular shaped pultruded fiberglass gratings connected to form the tubular structure. ### Claim 12 (depends on 11) The tubular support of claim 11, comprising a plurality of two semicircular shaped pultruded fiberglass gratings connected to form a length of stacked tubular structures. ### Claim 13 (depends on 10) The tubular support of claim 10, wherein the at least one fiberglass grating is pultruded, the first set of bars are I-bars, and the second set of bars are bearing bars. ### Claim 14 (depends on 10) The tubular support of claim 10, wherein a first outer tubular support comprises a flat pultruded fiberglass grating having the first set of bars extending perpendicular to the second set of bars, the flat pultruded fiberglass grating being bent into the circular shape. ### Claim 15 (depends on 14) The tubular support of claim 14, wherein the first set of bars are I-bars, and the second set of bars are bearing bars. ### Claim 16 (depends on 15) The tubular support of claim 15, wherein the flat pultruded fiberglass grating is bent along a length of the bearing bars. ### Claim 17 A method of forming a tubular support for supporting adsorbent media within a radial air purification system, comprising: forming at least one fiberglass grating into a circular shape to form a tubular structure, the at least one fiberglass grating comprising a first set of bars and a second set of bars, the first and second set of bars being interlaced, the first set of bars running parallel to each other, and the second set of bars running parallel to each other; and disposing a porous layer along an inner circumference of the tubular structure, along an outer circumference of the tubular structure, or along both the inner and outer circumferences of the tubular structure. ### Claim 18 (depends on 17) The method of claim 17, wherein the at least one fiberglass grating is formed by pultrusion. ### Claim 19 (depends on 18) The method of claim 18, wherein the first set of bars are formed into I-bars, a plurality of holes are formed within the I-bars, and the second set of bars are inserted through the plurality of holes. ### Claim 20 (depends on 17) The method of claim 17, wherein at least two pultruded fiberglass gratings are formed into a semicircular shape, and pairs of semicircular pultruded fiberglass gratings are connected to form the tubular structure. ### Claim 21 (depends on 18) The method of claim 18, wherein forming the at least one fiberglass grating into the circular shape comprises: forming a flat pultruded fiberglass grating having the first set of bars extending perpendicular to the second set of bars; and bending the flat pultruded fiberglass grating into the circular shape. ### Claim 22 (depends on 21) The method of claim 21, wherein the first set of bars are I-bars and the second set of bars are bearing bars, and the flat pultruded fiberglass grating is bent into the circular shape along a length of the bearing bars.