Patent · US Active

Device and method for purifying organic amine solution

US12246314B2 · kind B2 · utility

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0References

12Claims

0Family size

Assignee

HUANENG CLEAN ENERGY RESEARCH INSTITUTE · CN

Inventors

Jinyi Wang · Beijing, CN
Shiwang Gao · Beijing, CN
Lianbo Liu · Shandong, CN
Hongwei Niu · Beijing, CN
Dongfang Guo · Beijing, CN
Shiqing Wang · Beijing, CN

Key dates

Filing date	Sep 29, 2021
Grant date	Mar 11, 2025
Priority date	—
Expiry date	Sep 16, 2043

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C213/10
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Provided are a device and a method for purifying an organic amine solution. The device includes an ion exchange bed having an upper feeding port, through which the ion exchange bed is communicated with an inert gas cylinder, a fifth liquid storage tank and a second liquid adding pump; a lower feeding port, through which the ion exchange bed is communicated with a first liquid adding pump; a lower discharging port, through which the ion exchange bed is communicated with a second liquid storage tank, a third liquid storage tank and a fourth liquid storage tank; and an upper discharging port, through which the ion exchange bed is communicated with the fourth liquid storage tank.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.