# US 12,215,043 B2 · Liquid, air, and surface treatment using high intensity broad-spectrum pulsed light > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,215,043 B2 - Document ID: US12215043B2 - Status: Granted - Kind: B2 - Application number: 18/530,570 - Filed: 2023-12-06 - Published: 2024-06-20 - Granted: 2025-02-04 - Earliest claimed: 2020-06-11 - Assignees: Aruna Inovation LLC - Applicants: Aruna Inovation LLC - Inventors: Ameet Chaudhury - Web page: https://patentgrep.com/patent/US12215043B2 ## CPC - A61L 2/084: Visible light - C02F 1/325: {Irradiation devices or lamp constructions} - A61L 2/10: Ultraviolet [UV] radiation - A61L 2/24: Apparatus using programmed or automatic operation - A61L 9/20: Ultraviolet radiation - C02F 1/004: {using large scale industrial sized filters} - C02F 1/505: {by oligodynamic treatment} - C02F 9/20: Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems - A61L 2202/11: Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps - A61L 2202/122: Chambers for sterilisation - A61L 2202/14: Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs - A61L 2209/111: Sensor means, e.g. motion, brightness, scent, contaminant sensors - A61L 2209/12: Lighting means - A61L 2209/14: Filtering means - C02F 2201/3228: Units having reflectors, e.g. coatings, baffles, plates, mirrors - C02F 2201/326: Lamp control systems - C02F 2303/04: Disinfection - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) ## Abstract Liquid, air, or surface treatment/sterilization/disinfection using pulsed light to eliminate, reduce, degrade, render inert, or nullify physical, chemical, biological, microbiological, or non-microbiological contaminants is disclosed herein. The system also includes at least one power supply powering the light source of the reactor, an ionized wire wrapped outside the light source of the reactor, at least one digital multiplexer connected to the at least one power supply, and a controller to control the at least one digital multiplexer to power the light source to strobe the pulsed light at a predetermined fluence, a predetermined pulsed width, and a predetermined frequency or spectrum to eliminate, reduce, degrade, render inert, or nullify the physical, chemical, biological, microbiological, or non-microbiological contaminants in a liquid flow, air, or surface at a molecular level. ## Claims ### Claim 1 A liquid treatment system using high intensity broad-spectrum pulsed light to reduce physical, chemical, biological, or microbiological contaminants, the system comprising: a reactor having a shell, a liquid inlet, a liquid outlet, a plurality of tubes, and a plurality of light sources disposed between the liquid inlet and the liquid outlet, wherein each of the plurality of light sources is respectively contained within the plurality of tubes; an ionized wire wrapped outside each of the plurality of light sources of the reactor inside the plurality of tubes; at least one power supply to power the plurality of light sources of the reactor to strobe pulsed light with a predetermined fluence to treat contaminants, wherein the reactor further includes: an enclosure, the enclosure having a first end and a second end; a first outer cap housing the first end of the enclosure; and a second outer cap housing the second end of the enclosure, wherein the first end of the enclosure includes a first inner cap and the second end of the enclosure includes a second inner cap, wherein the first inner cap is fluidly connected to the liquid inlet, and the second inner cap is fluidly connected to the liquid outlet, wherein a portion of the first inner cap that is configured to receive the liquid and a portion of the second inner cap connected to the liquid outlet are curved and configured to create turbulence of liquid flow in a circular motion in the reactor, and wherein the plurality of light sources is provided concentrically around a center axis of the reactor in the shell such that an internal space is formed between the shell and the plurality of tubes such that liquid passes through the internal space in the circular motion between the shell and the plurality of tubes and between the plurality of tubes from the liquid inlet to the liquid outlet. ### Claim 2 (depends on 1) The system according to claim 1, wherein the plurality of light sources includes a non-mercury flash lamp to generate the pulsed light. ### Claim 3 (depends on 1) The system according to claim 1, wherein the inner and outer wall of the shell is a electrostatic stainless steel shell to provide passive cooling and to provide reflection of the pulsed light strobed by the plurality of light sources. ### Claim 4 (depends on 3) The system according to claim 3, wherein the first inner cap and the second inner cap are made of stainless steel to provide passive cooling. ### Claim 5 (depends on 1) The system according to claim 1, wherein: the plurality of tubes are containment quartz tubes, the first inner cap is connected to a first end of the plurality of tubes, and the second inner cap is connected to a second end of the plurality of tubes. ### Claim 6 (depends on 1) The system according to claim 1, wherein the reactor includes bronze or copper material to disinfect liquid flow. ### Claim 7 (depends on 1) The system according to claim 1, wherein the liquid inlet and the liquid outlet are configured to enable liquid flow regulation and heat sinking. ### Claim 8 (depends on 1) The system according to claim 1, wherein the at least one power supply is configured to increase or decrease the pulse rate based on an increased or decreased liquid flow rate. ### Claim 9 (depends on 1) The system according to claim 1, further comprising at least one sensor to sense an energy of the pulsed light. ### Claim 10 (depends on 1) The system according to claim 1, further comprising a filter to filter contamination from a liquid flow before the liquid flow enters the liquid inlet. ### Claim 11 (depends on 1) The system according to claim 1, further comprising: a switch controlled by at least one controller, wherein the switch is configured to switch between a first configuration and a second configuration, wherein in the first configuration, a pulse rate of the pulsed light is increased and in the second configuration, the pulse rate of the pulsed light is decreased, or wherein the switch is configured to switch is configured to switch between sterilization, disinfection, and treatment modes. ### Claim 12 A method of reducing physical, chemical, biological, and microbiological contaminants, the method comprising: powering, by at least one power supply, a plurality of light sources of a reactor, wherein the reactor includes a shell, a liquid inlet, a liquid outlet, a plurality of tubes, an enclosure, the enclosure having a first end and a second end, a first outer cap housing the first end of the enclosure, and a second outer cap housing the second end of the enclosure, wherein the first end of the enclosure includes a first inner cap and the second end of the enclosure includes a second inner cap, wherein the first inner cap is fluidly connected to the liquid inlet, and the second inner cap is fluidly connected to the liquid outlet, and the plurality of light sources disposed between the liquid inlet and the liquid outlet, and an ionized wire is wrapped outside each of the plurality of light sources of the reactor, wherein each of the plurality of light sources having the wrapped ionized wire is respectively contained within the plurality of tubes; creating turbulence of liquid flow in a circular motion in the reactor, wherein a portion of the first inner cap that is configured to receive the liquid flow and a portion of the second inner cap connected to the liquid outlet are curved, and wherein the plurality of light sources is provided concentrically around a center axis of the reactor in the shell such that an internal space is formed between the shell and the plurality of tubes such that the liquid flow passes through the internal space in the circular motion between the shell and the plurality of tubes and between the plurality of tubes from the liquid inlet to the liquid outlet; controlling, by a power supply, the plurality of light sources to strobe pulsed light with a predetermined fluence to reduce physical, chemical, biological, or microbiological contaminants at a molecular level. ### Claim 13 (depends on 12) The method according to claim 12, wherein the plurality of light sources includes a non-mercury flash lamp, and the method further comprises: generating, by the flash lamp, the pulsed light. ### Claim 14 (depends on 12) The method according to claim 12, wherein the first outer cap and the second outer cap are made of light resistant plastic to provide electrical insulation for the enclosure. ### Claim 15 (depends on 14) The method according to claim 14, wherein the shell is a stainless steel shell, and the method further comprises: passively cooling, using the stainless steel shell, the reactor, reflecting, using the stainless steel shell, the pulsed light strobed from the plurality of light sources. ### Claim 16 (depends on 14) The method according to claim 14, wherein the first inner cap and the second inner cap are made of stainless steel to provide passive cooling. ### Claim 17 (depends on 16) The method according to claim 16, wherein: the plurality of tubes are containment quartz tubes, the first inner cap is connected to a first end of the plurality of tubes, the second inner cap is connected to a second end of the plurality of tubes. ### Claim 18 (depends on 12) The method according to claim 12, further comprising: increasing or decreasing, by the power supply, the pulse rate based on an increased or decreased liquid flow rate.