Profile: Petrogas Process & Environmental Systems is a manufacturer of modular plants for the separation of liquids and gases. We use all electric heat for biodiesel production with low emissions and trouble-free operation. We offer continuous biodiesel processing modules to convert degummed crude soybean oil into methyl ester or biodiesel. The processing module contains a main reactor, methyl ester/glycerol separator, methanol flash unit, water wash for methyl esters, glycerol/water separator, and a water pH balance unit.