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公开(公告)号:US20200216346A1
公开(公告)日:2020-07-09
申请号:US16625049
申请日:2017-06-29
Applicant: SOLVAY SA
Inventor: Feng WANG , Stéphanie FOUCHER , Zhouying JI , Fan LIU
IPC: C02F9/00
Abstract: A process for removing chemical oxygen demand, which realizes the deep COD treatment by the combination of metal salt and hydrogen peroxide and then by an ozone containing gas with hydrogen peroxide or ultraviolet radiation with hydrogen peroxide. It features using less metal salt and hydrogen peroxide, having less ozone gas residual and being more suitable for industrialization.