US 11,833,284 B2
Systems and methods for batch sorbent material reuse
Yuanpang Samuel Ding, Long Grove, IL (US); Rosa Hung-Chen Yeh, Libertyville, IL (US); Cristian Adolfo Menzel Bueno, Gurnee, IL (US); and Ieng Kin Lao, Taipa (MO)
Assigned to Baxter International Inc., Deerfield, IL (US); and Baxter Healthcare SA, Glattpark (Opfikon) (CH)
Filed by Baxter International Inc., Deerfield, IL (US); and Baxter Healthcare SA, Glattpark (CH)
Filed on Apr. 15, 2021, as Appl. No. 17/231,230.
Application 17/231,230 is a continuation of application No. 16/203,104, filed on Nov. 28, 2018, granted, now 11,090,421.
Prior Publication US 2021/0228791 A1, Jul. 29, 2021
Int. Cl. A61M 1/16 (2006.01); B01J 20/02 (2006.01); B01J 20/06 (2006.01)
CPC A61M 1/1696 (2013.01) [B01J 20/0211 (2013.01); B01J 20/0292 (2013.01); B01J 20/06 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A medical fluid delivery method comprising:
providing a sorbent cartridge including zirconium phosphate (“ZP”) or zirconium oxide (“ZO”) for a treatment; and
after the treatment, refurbishing the ZP or ZO via
disinfecting the non-regenerated ZP or ZO using a disinfecting agent,
regenerating the disinfected ZP or ZO using a sodium based alkaline solution or a sodium salt solution,
at least one of washing or filtering the disinfected and regenerated ZP or ZO,
titrating the washed or filtered ZP or ZO until a desired pH is reached in a first effluent from the titrating,
at least one of washing or filtering the titrated ZP or ZO until a desired conductivity is reached in a second effluent from the washing or filtering,
drying the rewashed or refiltered ZP or ZO, and
sieving the dried ZP or ZO.