Reactors are used in fine chemical, pharmaceutical, and fragrance industries. The vacuum is used to reduce/control the temperature of the reaction, remove reacted products, reduce cost, control/improve product quality, and recapture product. There is a wide array of chemical processes suitable for using liquid ring pump technology. These include pharmaceutical intermediates, chemical reactions for neutralization and adsorption, stripping/cracking of hydrocarbons and other chemicals, and synthesis of chemical compounds.