Electroplating is a widely used process across many industries. Electroplating companies create wastewater containing heavy metals and activated carbon particles which cannot be directly discharged or sent to the local POTW without proper treatment. The challenge is that the wastewater contains very high suspended solids, and the polymeric membranes currently in place cannot effectively handle the high solids load, causing fouling and very low flux performance.
Our client was seeking a more cost-effective filtration solution that delivered a high quality permeate water for reuse (containing less than 1 ppm TSS).
Our CERA~DUR technology was evaluated to deliver high quality permeate water with a lower cost per gallon of treated water. The CERA~DUR ceramic hollow fiber filtration membranes are designed to operate in crossflow in-out mode with microfiltration ceramic hollow fiber membranes having a pore size (D90) of 130 nm.
The operating conditions were as follows:
Average flux: 590 LMH
Transmembrane pressure (TMP): 0.7 bar
Backwash frequency and duration: 20 seconds every 30 minutes
Delivered high quality permeate water to be reused, containing < 1 ppm TSS
Achieved a stable flux of 590 LMH at 0.7 bar TMP
Achieved >90% Recovery