Invention Grant
- Patent Title: Drinking water purification system with a backwashable filter cartridge and a nanofiltration system
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Application No.: US17501684Application Date: 2021-10-14
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Publication No.: US12023628B2Publication Date: 2024-07-02
- Inventor: Mu Liu , Xiaofeng Lin , Zehua Li , Yingqiang Su , Xiaohong Niu , Huiming Han , Xiaofang Zhang
- Applicant: Greentech Environment Co., Ltd.
- Applicant Address: CN Beijing
- Assignee: Greentech Environment Co., Ltd.
- Current Assignee: Greentech Environment Co., Ltd.
- Current Assignee Address: CN Beijing
- Priority: CN 2010521051.4 2020.06.10
- Main IPC: B01D61/04
- IPC: B01D61/04 ; B01D61/02 ; B01D65/02 ; C02F1/44 ; C02F9/00 ; B01D65/08 ; C02F1/00
Abstract:
The present disclosure provides a drinking water purification system with a backwashable filter cartridge and a nanofiltration system. The drinking water purification system includes a backwashable pre-filtration unit, a nanofiltration unit and a cleaning unit. The backwashable pre-filtration unit is provided with a backwashable filter cartridge. The nanofiltration unit is provided with a nanofiltration filter cartridge. A water outflow side of the backwashable filter cartridge is connected to a water inflow side of the nanofiltration filter cartridge. The cleaning unit is connected to the water outflow side of the backwashable filter cartridge.
Public/Granted literature
- US20220388866A1 DRINKING WATER PURIFICATION SYSTEM WITH A BACKWASHABLE FILTER CARTRIDGE AND A NANOFILTRATION SYSTEM Public/Granted day:2022-12-08
Information query
