What Is a Yield Reactor? Optimization, Principles & Applications Answering the core question: What is a yield reactor, and how is it optimized to maximize product output per mole of feed? A yield reactor is any vessel operated under a control strategy that pushes stoichiometric conversion and selectivity to the limit - typically 85-99 percent yield with above 95 percent selectivity - while minimizing byproducts. Engineers use kinetic models (Arrhenius rate constants), Design