Mercer - Sand Interceptors for Oil Water Separators

Mercer offers integral and stand-alone "sand interceptors" ahead of our standard oil/water separators. We incorporate sand interceptors where heavy solids are known to be in the wastewater and need a larger settling area for coarse removal before entering the coalescer compartment. By taking out the heavy solids, there is less loading on the coalescer, thereby allowing the coalescer to supply optimal results. A sand interceptor tank is also used when there is a very heavy concentration of oil as well. This tank acts as a primary tank for removal of large micron droplet sized oil. In this case as well, the interceptor tank will take the gross oil out of the wastewater upstream of the coalescer, preventing the coalescer from being "hindered" by excessive oil.