A Reactor is a process vessel used to carry out a chemical reaction. The design of the reactor depends upon the thermodynamics and kinetics of the chemical reactions. Types of Reactors - Most Basic types of chemical reactors are tanks with Jacket OR Limpet along with insulation. These can be either Batch or Continuous Reactors. Emco Provided reactors in SS 316L, Hastelloy C22, SS 304.