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公开(公告)号：US12258268B2
公开(公告)日：2025-03-25
申请号：US17269006
申请日：2019-01-25
Applicant: OCI COMPANY LTD.
Inventor： Deokyun Kim , Hyejin Kim , Kyungyeol Kim , Yongil Kim
IPC: C01B15/013 , B01D3/14 , B01D15/08 , B01D61/02 , B01D61/42 , B01D61/48 , B01D61/58 , B08B3/08 , H01L21/02
Abstract: The present invention relates to a method for purifying hydrogen peroxide, and more particularly, to a method including purifying a crude product of hydrogen peroxide using a primary purification system, and purifying a primarily purified hydrogen peroxide solution using a secondary purification system. One of the primary purification system and the secondary purification system includes an electrodeionization system, and the other one of the primary purification system and the secondary purification system includes at least one from among a distillation system, a resin system, a reverse osmosis system, and a combination system thereof.
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公开(公告)号：US20230242400A1
公开(公告)日：2023-08-03
申请号：US17269006
申请日：2019-01-25
Applicant: OCI COMPANY LTD.
Inventor： Deokyun Kim , Hyejin Kim , Kyungyeol Kim , Yongil Kim
CPC classification number: C01B15/0135 , B01D61/48 , B01D3/145 , B01D61/025 , B01D61/58 , B01D15/08 , B08B3/08 , B01D2313/221 , B01D2313/40 , B01D2317/025 , H01L21/02041
Abstract: The present invention relates to a method for purifying hydrogen peroxide, and more particularly, to a method including purifying a crude product of hydrogen peroxide using a primary purification system, and purifying a primarily purified hydrogen peroxide solution using a secondary purification system. One of the primary purification system and the secondary purification system includes an electrodeionization system, and the other one of the primary purification system and the secondary purification system includes at least one from among a distillation system, a resin system, a reverse osmosis system, and a combination system thereof.
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