# US 8,540,810 B2 · Regenerable adsorption unit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,540,810 B2 - Document ID: US8540810B2 - Status: Granted - Kind: B2 - Application number: 12/530,576 - Filed: 2008-03-14 - Published: 2010-02-11 - Granted: 2013-09-24 - Earliest claimed: 2007-03-14 - Assignees: Nano-Porous Solutions Limited - Applicants: Semali Priyanthi Perera; Chin-Chih Tai - Inventors: Semali Priyanthi Perera; Chin-Chih Tai - Web page: https://patentgrep.com/patent/US8540810B2 ## CPC - B01D 53/0438: {Cooling or heating systems} - B01D 53/02: by adsorption, e.g. preparative gas chromatography {(solid sorbent compositions B01J20/00, preparation of inorganic compounds or elements C01)} - B01J 20/28014: {characterised by their form} - B01J 20/28023: {Fibres or filaments (fibres or filaments in the form of membranes B01J20/28038; B01J20/28007 takes precedence)} - B01J 20/3441: {Regeneration or reactivation by electric current, ultrasound or irradiation, e.g. electromagnetic radiation such as X-rays, UV, light, microwaves} - B01D 2253/108: Zeolites - B01D 2253/202: Polymeric adsorbents - B01D 2257/504: Carbon dioxide - B01D 2257/708: Volatile organic compounds V.O.C.'s - B01D 2259/40096: by using electrical resistance heating - Y02C 20/40: of CO2 - 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 An adsorption unit comprising an adsorbent hollow fiber in which the fiber includes an active component and means for transmitting heat. ## Claims ### Claim 1 An adsorption unit comprising: an adsorbent hollow fibre comprising a first layer containing a first active component and a second layer containing a means for transmitting heat, the first layer and the second layer being discrete layers. ### Claim 2 (depends on 1) An adsorption unit as claimed in claim 1, in which the hollow fibre further comprises a third layer containing a second active component, wherein the first active component primarily absorbs a first target adsorbate from a as stream and the second active component primarily adsorbs a second target adsorbate from the gas stream. ### Claim 3 (depends on 1) An adsorption unit as claimed in claim 1, in which the means for transmitting heat comprises an electrically conductive material. ### Claim 4 (depends on 1) An adsorption unit as claimed in claim 1, in which the means for transmitting heat comprises a thermally conductive material. ### Claim 5 (depends on 1) An adsorption unit as claimed in claim 1, in which the hollow fibre has a mean pore size in each of the layers of less than 1 μm. ### Claim 6 (depends on 1) An adsorption unit as claimed in claim 1, in which the hollow fibre is inorganic and comprises an inorganic powder, a binder, an adsorptive component or a reactive component and the means for transmitting heat. ### Claim 7 (depends on 1) An adsorption unit as claimed in claim 1, in which the hollow fibre has a mean resistance in each of the layers of less than 100 Ω/m. ### Claim 8 (depends on 6) An adsorption unit as claimed in claim 6, in which the inorganic powder is selected from the group consisting of ceramics, adsorbents and ion exchange resins. ### Claim 9 (depends on 8) An adsorption unit as claimed in claim 8, in which the ceramic is selected from the group consisting of aluminium oxide, bentonite, silica, hydroxyapatite or mixtures thereof. ### Claim 10 (depends on 6) An adsorption unit as claimed in claim 6, in which the binder is selected from the group consisting of lead bisilicate frit, fine standard borax frit, bentonite and Hyplas. ### Claim 11 (depends on 6) An adsorption unit as claimed in claim 6, in which the hollow fibre has a flexibility of greater than 5° bending angle from a mid point of the hollow fibre. ### Claim 12 (depends on 6) An adsorption unit as claimed in claim 6, in which the hollow fibre additionally comprises a component selected from the group consisting of fumed silica, magnesium oxide, high silica silicalite, zircon opaque, hydroxyapatite, high silica zeolite and silicalite, and combinations thereof. ### Claim 13 (depends on 1) An adsorption unit as claimed in claim 1, in which the hollow fibre is organic and comprises a polymer, an additive, an adsorbent material and the means for transmitting heat. ### Claim 14 (depends on 13) An adsorption unit as claimed in claim 13, in which the polymer is selected from the group consisting of polysulfone, polyvinylidenefluoride (PVDF)), polyethylene, polypropylene, poly(phenylene oxide), polyacrylonitrile, polymethylmethacrylate, poly(vinyl chloride), Poly ether sulfone (PESF), Cellulose acetate, Polyamide (aromatic), Polyimide, Poly(ether imide) and poly(vinyl alcohol), co-polymers of Polylactide (PLA) and Polyglycolide (PGA), Polycaprolactone (PCL) and Poly(ethylene terephathalate) (PET), and mixtures thereof. ### Claim 15 (depends on 13) An adsorption unit as claimed in claim 13, in which the adsorbent material is a zeolite, high silica zeolite, molecular sieve material, silica adsorbent, activated carbon powder or an ion exchange resin. ### Claim 16 (depends on 15) An adsorbtion unit as claimed in claim 15, in which the adsorbent material is selected from the group consisting of silicalite, ZSM5, MCM41, MCM48, 4A, 13X and zeolite. ### Claim 17 (depends on 1) An adsorption unit as claimed in claim 1, in which a surface area to volume ratio is greater than 1000 m2/m3. ### Claim 18 (depends on 1) An adsorption unit as claimed in claim 1, in which the hollow fibre is a double-layer fibre. ### Claim 19 (depends on 1) An adsorption unit as claimed in claim 1, in which the hollow fibre is a triple-layer fibre. ### Claim 20 (depends on 1) Au adsorption unit as claimed in claim 1, in which the hollow fibre is a quadruple layer fibre. ### Claim 21 (depends on 1) An adsorption unit as claimed in claim 1 which the first and second layers are of the same composition. ### Claim 22 (depends on 1) An adsorption unit as claimed in claim 1, in which the first and second layers are of different compositions. ### Claim 23 (depends on 22) An adsorption unit as claimed in claim 22, in which the different compositions have different functionality. ### Claim 24 (depends on 1) An adsorption unit as claimed in claim 1, in which the first layer containing the means for transmitting heat is an outer layer. ### Claim 25 (depends on 24) An adsorption unit as claimed in claim 24, in which the means for transmitting heat is electrical conductivity means. ### Claim 26 An adsorption unit comprising: an adsorbent hollow fibre including an active component and means for transmitting heat; and wherein the hollow fibre has a mechanical load strength of greater than 200 g force at a crosshead speed of 1.0 mm/sec for a hollow fibre with an effective porosity (ε/q2) of 1000-3000. ### Claim 27 An adsorptive porous layer comprising a plurality of adsorption units, each of the adsorption units comprising an adsorbent hollow fibre in which the hollow fibre includes an active component and means for transmitting heat, in which there are at least 50 hollow fibres, and in which a surface area per unit volume is greater than 80 m2/m3. ### Claim 28 (depends on 27) An adsorptive porous layer as claimed in claim 27, in which a membrane may be used for liquid or gas separation.