Ultra Filtration Water Treatment Units

Ultra Filter is the ultimate in versatility for water treatment

BI Pure Water UF vesselsUltrafiltration (UF) is a membrane barrier that filters out particles as small as 0.01 microns, including bacteria, viruses and colloids. UF has several advantages when compared to conventional treatments such as clarifiers and media filters. It has high tolerance to feed water quality upsets, is an absolute barrier, and has improved water quality.

BI Pure Water has used UF successfully for municipal potable water for removing turbidity, wastewater reuse, industrial sites, as a pre-filter to RO – the variety of applications of UF is growing.

UF membranes used have been tested and certified by NSF International under NSF/ANSI Standard 61, and also have NSF/ANSI 419 LRV certifications facilitating safe use in drinking water applications.

The UF membrane manufacturer and size is chosen by us based on each customer’s application and specifications for optimum performance. Membrane skids are modular and can be scaled to any size.

Removal of suspended solids (turbidity) & micro-organisms
Removal of TOCs with addition of a coagulant
Operational temperature 1-40°C
Fully automated operation – operator friendly
Save $ and time wasted on cartridge filters
Superb filtrate quality with UF
Original equipment manufacturer for the membranes:UF original equipment manufacturers

Monitoring and Maintenance

The UF unit is monitored and operated by the PLC, including automatic backwashes. In our experience UF membranes last from 5-7 years. Clients are saving on daily maintenance and filter costs and appreciate the environmental impact of fewer consumables.

UF HMI PLC screenshot

The UF is usually equipped with a backwash program. The backwash may include dosing sodium hypochlorite as needed or, if required based on water quality, a Chemically Enhanced Backwash (CEB) system can be included with either Sodium hypochlorite followed by a CEB with caustic soda or acid.

Potable water UF membranes have an integrated membrane integrity test. In the case of a membrane break a warning is sent to the operator. The Backwash may include an air scour step, with air supplied by an Air Blower. For waste process water the UF may have a turbidity analyzer that checks the quality of the water and if the turbidity goes above a certain level a warning is sent to the operator that there may be a break in the membrane.

Programming

UF units are equipped with fully programmable PLC controls with an intuitive PC graphical interface. It allows the operator to view and modify the settings by icons on a touchscreen to optimize the system performance. A second pass-word protected-layer allows service and installation personnel to set up the basic process and the peripherals.

Data Logging

The unit’s controller holds a data logger, which is able to log up to 90 days of operating data, including:

  • date and time
  • feed- and filtrate-pressure
  • filtrate flow
  • turbidity, if turbidity meter is connected
  • alert occurred (if applicable)
  • last system status before log

Contact us for more information or a quotation.

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