# US 2023/0264124 A1 · Particle Separation System and Method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0264124 A1 - Document ID: US20230264124A1 - Status: Published application - Kind: A1 - Application number: 18/311,185 - Filed: 2023-05-02 - Published: 2023-08-24 - Earliest claimed: 2016-11-08 - Assignees: Pentair Filtration Solutions, LLC - Applicants: Pentair Filtration Solutions, LLC - Inventors: Philip Wade; Tanner R. Dendy; Carl Hahn; Kyle Jenkins - Web page: https://patentgrep.com/patent/US20230264124A1 ## CPC - B01D 29/52: in parallel connection - B01D 21/0012: {Settling tanks making use of filters, e.g. by floating layers of particulate material} - B01D 29/114: {arranged for inward flow filtration (B01D29/15, B01D29/33 take precedence)} - B01D 29/13: Supported filter elements - B01D 29/605: {by level measuring} - B01D 29/66: by flushing, e.g. counter-current air-bumps - B01D 29/902: {containing fixed liquid displacement elements or cores} - B01D 35/0276: {Filtering elements with a vertical rotation or symmetry axis mounted on tanks or reservoirs} - B01D 35/303: {the housings being modular, e.g. standardised} - C02F 1/004: {using large scale industrial sized filters} - C02F 1/74: with air (aeration of stretches of water C02F7/00) - C02F 1/28: by sorption (using ion-exchange C02F1/42; sorbent compositions B01J) - C02F 9/20: Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems - 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) - 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 A method including the steps of providing fluid through an inlet into a vessel at atmospheric pressure. The method further includes passing the fluid through a filtration unit utilizing a downstream pump, the filtration unit creating a flux of less than or equal to about 0.05 gallons per minute per square foot (GPM/ft2), and moving the fluid processed by the filtration unit through an outlet of the vessel. ## Claims ### Claim 1 A method of separating particles from a fluid, the method comprising: providing fluid through an inlet into a vessel at atmospheric pressure; passing the fluid through a filtration unit utilizing a downstream pump, the filtration unit creating a flux of less than or equal to about 0.05 gallons per minute per square foot (GPM/ft2); moving the fluid processed by the filtration unit through an outlet of the vessel; and moving the fluid through at least one of a coalescer or an absorption bed after moving the fluid out of the vessel. ### Claim 2 (depends on 1) The method of claim 1, further including the step of aerating the fluid in the vessel with an aerator. ### Claim 3 (depends on 1) The method of claim 1, further including the step of reversing a direction of fluid flow during a backpulsing operation. ### Claim 4 (depends on 1) The method of claim 1, further including the step of moving the fluid past a weir, the weir spaced apart from the inlet. ### Claim 5 (depends on 1) The method of claim 1, wherein the vessel has an internal chamber and wherein the fluid is a pre-separated fluid supplied from a remote location and the pre-separated fluid contains oil. ### Claim 6 (depends on 1) The method of claim 1, wherein the filtration unit includes a plurality of filtration packs each having a plurality of filter elements. ### Claim 7 (depends on 6) The method of claim 6, wherein at least one of the plurality of filter elements includes filter media with a pore size between about 1 and about 500 micrometers. ### Claim 8 (depends on 6) The method of claim 6, wherein at least one of the plurality of filtration packs has an end cap designed to maintain spacing and alignment of the plurality of filter elements. ### Claim 9 (depends on 6) The method of claim 6, wherein the filtration unit comprises a control system having at least one sensor to monitor a level of fluid within the vessel. ### Claim 10 (depends on 1) The method of claim 1, wherein the downstream pump is positioned on a pump skid and the pump skid includes at least one additional pump. having: ### Claim 11 A method of separating particles from a fluid, the method comprising: providing fluid through an inlet into a vessel at atmospheric pressure; passing the fluid through a filtration unit utilizing a downstream pump, the filtration unit having: a filtration pack comprising a plurality of filter elements having a plurality of outlets on a first end of the plurality of filter elements, a single manifold having a plurality of inlets, and a frame for holding the filtration pack, the frame including an end cap structure comprising a plurality of alignment structures, wherein the plurality of outlets are aligned with the plurality of inlets; and moving the fluid through the plurality of outlets into the single manifold. ### Claim 12 (depends on 11) The method of claim 11, further including the step of determining a level of the fluid in the vessel. ### Claim 13 (depends on 11) The method of claim 11, wherein each of the plurality of alignment structures corresponds to one of the plurality of filter elements and holds at least one end of the corresponding filter element. ### Claim 14 (depends on 11) The method of claim 11, further including the step of determining a pressure in a transfer line that is fluidly coupled to at least one of the plurality of inlets. ### Claim 15 (depends on 11) The method of claim 11, further including the steps of: sensing a first flow rate of fluid through a first transfer line fluidly coupled to the inlet of the vessel; and sensing a second flow rate of fluid through a second transfer line fluidly coupled to at least one of the plurality of outlets. ### Claim 16 (depends on 15) The method of claim 15, further including the steps of: receiving feedback from at least one of the first flow rate and the second flow rate; and changing movement parameters of the fluid based on the feedback. ### Claim 17 (depends on 16) The method of claim 16, wherein the step of changing movement parameters of the fluid comprises controlling at least one electronically actuated valve positioned in one or more of the first transfer line or the second transfer line. ### Claim 18 (depends on 11) The method of claim 11, further including the step of providing the vessel as a modular, replaceable unit that can be connected to a pump system. ### Claim 19 (depends on 11) The method of claim 11, wherein the filtration unit further includes a second filtration pack comprising a second plurality of filter elements and the method further includes the steps of: preventing solids in the fluid from impregnating media forming the plurality of filter elements and the second plurality of filter elements; and funneling the solids into a central collection region adjacent a wall of the vessel. ### Claim 20 (depends on 11) The method of claim 11, wherein the step of passing the fluid through the filtration unit further includes creating a flux less than or equal to about 0.001 gallons per minute per square foot (GPM/ft2).