A Lifecycle Cost of Plant Study was undertaken for BPM-RO and a comparison with other commercially available membranes was made.
The Levelised Cost of Water (LCOW) was derived, and it shows the BPM-RO plant achieving significantly lower LCOW compared to other RO membrane plant.
This was largely attributed to a significant reduction in electrical usage and cost.
Power consumption – 0.2 kwh/m3
Energy savings – 50-75%
Less emissions – 50 kg CO2/m3/year
Saves 32 trees/m3/year
BPM-RO membranes vs best of competitor RO membranes - head-on comparison of
operating pressures at Singapore’s Newater facilities
· Flow rate fixed at 20 lmh
· BPM-ROoperating pressure – 4 bar
· State-of-the-art RO operating pressure – 6.5-9 bar
· General ROoperating pressure – 15 bar
· Same rejection by all membranes
Fig. Plot of the transmembrane pressure and rejection against running time using UPWRP MBR permeate with two BPM-RO modules in series and two commercial modules under similar operating conditions.