American Water Chemicals® (AWC) recently received a tail end nanofiltration membrane for autopsy from a client who was experiencing issues with disinfection byproducts in their finished water. Water testing had confirmed that the NF membranes were not rejecting the high organics in their feed water, and the client was concerned that the membranes (which were
Antiscalants for High Silica
One of the most common questions asked by RO plant operators is: “What antiscalant do we need to control high levels of silica in RO systems?” There are many misguided beliefs on how to control silica. Some people recommend operating at a pH of 8, (the point of lowest solubility for amorphous silica) because they’ve
