Hot water cart conditioning system and method

Patent metadata

Field	Value
Publication number	US-12383869-B2
Application number	US-202418656688-A
Country	US
Kind code	B2
Filing date	May 7, 2024
Priority date	Dec 20, 2017
Publication date	Aug 12, 2025
Grant date	Aug 12, 2025

Abstract

A conditioning system for a filter module is disclosed. The conditioning system may generally include an inlet, a heat exchanger, a magnetically levitated pump, a channel provided to bypass the heat exchanger, a controller, an outlet, and a base. The system may have components lined with corrosion-resistant materials. A method of conditioning a filter module is also disclosed. The method may generally include measuring TOC in a source of ultrapure water, heating the ultrapure water, rinsing a filter module with the heated water, flushing the filter module with ambient temperature water, and repeating the rinsing with heated water and flushing with ambient temperature water. A method of facilitating conditioning of the filter module is also disclosed. The method may generally include providing a portable filter module conditioning system and providing instructions for installation or use.

First claim

What is claimed is:

1. A method of conditioning a filter module comprising:
measuring a concentration of total organic carbon (TOC) in a source of ultrapure water; heating the source of ultrapure water to between about 170° F. and about 190° F. to produce heated water;
rinsing the filter module with the heated water at a first flow rate of between about 2 gpm and about 15 gpm for a first predetermined period of time sufficient to stabilize a concentration of TOC in water at an outlet of the filter module;
flushing the filter module with the source of ultrapure water having ambient temperature at a second flow rate of between about 2 gpm and about 40 gpm for a second predetermined period of time, the second flow rate being greater than the first flow rate; and
cycling between rinsing the filter module with the heated water and flushing the filter module with the source of ultrapure water at ambient temperature until the water at the outlet of the filter module has less than 100 counts per liter of particles having a particle size less than 14 nm.

2. The method of claim 1 , wherein the filter module is conditioned before use in water treatment.

3. The method of claim 1 , wherein the filter module is conditioned when the concentration of TOC in the water at the outlet of the filter module is greater than 2 ppb.

4. The method of claim 1 , further comprising selecting the first flow rate responsive to a capacity of the filter module.

5. The method of claim 1 , further comprising selecting a temperature of the heated water responsive to a material of the filter module.

6. A method of facilitating conditioning of a filter module comprising:
providing a portable filter module conditioning system comprising:
a heat exchanger lined with a first corrosion resistant material;
a magnetically levitated pump in fluid communication with the heat exchanger;
a channel lined with a second corrosion resistant material constructed and arranged to bypass the heat exchanger; and
a controller configured to selectively direct water to the heat exchanger or to the channel, the controller being programmable to act responsive to at least one of a concentration of total organic carbon (TOC) in the water upstream from the heat exchanger and the magnetically levitated pump, and a concentration of TOC in the water downstream from the magnetically levitated pump; and

providing instructions to fluidly connect the portable filter module conditioning system to a source of ultrapure water through an inlet of the portable filter module conditioning system and fluidly connect the portable filter module conditioning system to the filter module through an outlet of the portable filter module conditioning system.

7. The method of claim 6 , further comprising installing an inlet sensor configured to measure the concentration of TOC in the source of ultrapure water and an outlet sensor configured to measure the concentration of TOC in the water downstream from the magnetically levitated pump.

8. The method of claim 7 , further comprising electrically connecting the controller to the inlet sensor and the outlet sensor.

9. The method of claim 6 , further comprising fluidly connecting the inlet of the portable filter module conditioning system to the source of ultrapure water and fluidly connecting the outlet of the portable filter module conditioning system to the filter module.

10. The method of claim 9 , wherein fluidly connecting the inlet of the portable filter module conditioning system to the source of ultrapure water comprises fluidly connecting the portable filter module conditioning system to an outlet of the filter module.

11. The method of claim 9 , wherein fluidly connecting the outlet of the portable filter module conditioning system to the filter module comprises fluidly connecting the portable filter module conditioning system to an inlet of an ultrafiltration module.

12. The method of claim 11 , wherein fluidly connecting the inlet of the portable filter module conditioning system to the source of ultrapure water comprises fluidly connecting the portable filter module conditioning system to an outlet of the ultrafiltration module.

13. The method of claim 6 , further comprising providing the instructions to flush the portable filter module conditioning system before fluidly connecting the portable filter module conditioning system to the filter module.

Assignees

• Evoqua Water Tech Llc

Inventors

• Gullion Michael
• Hawley Joshua
• Hall Christopher

Classifications

• B01D2313/903

  Integrated control or detection device · CPC title

• B01D2313/221

  Heat exchangers · CPC title

• B01D61/146

  comprising multiple ultrafiltration steps · CPC title

• G01N2015/0662

  Comparing before/after passage through filter · CPC title

• G01N15/06

  Investigating concentration of particle suspensions (by weighing G01N5/00; investigating sedimentation of particle suspensions G01N15/04; investigating individual particles G01N15/10) · CPC title