Profile: Sep-Pro Systems, Inc. specializes in the custom design, engineering, and manufacture of small and mid-size, skid-mounted oil and gas process units utilizing various chemical engineering unit operations. Our products cover a full range from LPG plants and vapor recovery systems to nitrogen rejection systems, CO2 process units, and desalination units. We also specialize in 2 & 3 phase separators, code vessels (R and U stamp certified), and heat exchangers (shell & tube and air cooled). We build our own electrical, process controls, piping, shell and tube heat exchangers, distillation columns, compressors, and refrigeration sub-systems. We design and manufacture two types of desalination units such as multi-effect evaporators and reverse osmosis systems. The evaporators can be used to concentrate and reduce the volume of oil field brine or can be used to desalinate seawater to produce potable drinking water. The designs normally use between two and six effects depending on the desired energy efficiency and the availability of waste heat such as engine exhaust or flare gas. The reverse osmosis units are used to desalinate seawater. The pumps can be engine or motor driven.