Plant specification
Newell WTP
Newell Regional Services Corp. (NRSC) · Brooks, AB, Canada
Status not reported
Pall/Aria Microza microfiltration (MF)
Source: Lake Newell Reservoir
OEM: Pall (now AriaFiltra)
OEM: Kinetico
Membrane system
Pall/Aria Microza microfiltration (MF)
- Racks
- 4 × 100 modules
- Modules installed
- 400 · Pall/Aria Microza UNA-620A
- Membrane
- Highly crystalline PVDF (TIPS)
- Area per module
- 538 ft²
- Area per rack
- 53,800 ft² (4,998 m²)
- Total installed area
- 215,200 ft² (19,994 m²)
- Rack piping
- HDPE, 8 in main connection
- Valves
- Keystone-type butterfly valves
- Modules replaced
- Jun 2024
- Rack turbidity
- Hach 660 / SC200 (referenced in 2017 expansion)
- Particle counter
- Hach PCX 2200 (referenced)
Pall design operating point
Design assumptions from the 2017 expansion and 2022 fifth-rack proposal
| Parameter | 2017 basis | 2022 basis |
|---|---|---|
| Net filtrate per rack | 8 MLD | 8 MLD |
| Recovery | 96% | 95.8% |
| Instantaneous flux | 81 LMH | 78 LMH |
| Equivalent flux | 47.7 gfd | Not stated |
| EFM interval | 1 day | 1 day |
| CIP interval | 30 days | 30 days |
| Flux maintenance | After 35,900 US gal filtrate | Every ~24 min |
Operating cycle
- 1
fill
- 2
forward filtration
- 3
flux maintenance
- 4
air scrub
- 5
flush
- 6
reverse filtration
- 7
resume filtration
Separate processes
- integrity testing
- EFM
- CIP
- Flux maintenance (2017)
- after 35,900 US gal filtrate produced
- Flux maintenance (2022)
- every ~24 minutes
- EFM interval
- ~daily (design basis)
- CIP interval
- ~every 30 days (design basis)
Rack instrumentation
Parameters monitored per rack
- feed flow
- excess-recirculation (XR) flow
- filtrate flow
- feed pressure
- filtrate pressure
- calculated TMP
- flux
- normalized/specific flux
- filtrate turbidity
- particle counting
- valve feedback/position
- integrity test pressure