Invention Grant
- Patent Title: Monopersulfate treatment of membranes
- Patent Title (中): 单过硫酸盐处理膜
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Application No.: US11995588Application Date: 2006-07-14
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Publication No.: US07988891B2Publication Date: 2011-08-02
- Inventor: Heinz-Joachim Muller , Dongliang Wang , Nina Elbaz
- Applicant: Heinz-Joachim Muller , Dongliang Wang , Nina Elbaz
- Applicant Address: US GA Alpharetta
- Assignee: Siemens Industry, Inc.
- Current Assignee: Siemens Industry, Inc.
- Current Assignee Address: US GA Alpharetta
- Priority: AU2005903746 20050714
- International Application: PCT/AU2006/000997 WO 20060714
- International Announcement: WO2007/006104 WO 20070118
- Main IPC: B01D67/00
- IPC: B01D67/00 ; B01D39/00 ; B01D39/14 ; B29C65/00
Abstract:
A method of improving the water permeability and/or cleaning a porous polymeric microfiltration or ultrafiltration membrane, preferably a hydrophobic/hydrophilic blended membrane, eg P VdF/PVP comprising the step of contacting the porous polymeric membrane with a source of monopersulfate, preferably an aqueous solution of 2KHSO5.KHSO4.K2SO4.
Public/Granted literature
- US20080203018A1 Monopersulfate Treatment of Membranes Public/Granted day:2008-08-28
Information query
