What membrane type is good for what?
Reverse Osmosis = Dissolved metals, salts removal, high purity water Nano-Filtration = BOD/COD reduction, dissolved metals, wastewater Ultrafiltration= Suspended solids removal, product dewatering Microfiltration = Large suspended solids removal, dewatering Q: What is the maximum operating temperature of a VSEP? A: The maximum temperature is determined by the membrane. Maximum temperatures range from about 60°C to 130°C (140°F to 266°F). High temperature VSEP systems can operate at 130°C with a Teflon membrane. Q: What pH can the membranes tolerate? A: Again, this is always membrane-dependent. Generally speaking, the more open the membrane, the better it is at extreme pH tolerance. We have filtered 54% phosphoric acid with a nanofilter and we’ve filtered 50% sodium hydroxide with Teflon. Q: Can your membranes tolerate chlorine and/or other oxidizers? A: This is another membrane-dependent factor. Some can take a little, others can take a lot. Most nano and RO membranes can’t tolerate mu
