What is RTD? Residence Time Distribution ·Why We Study RTD? Staying in a reactor for different time length, reactants may have different reaction extent. For a non-ideal reactor,it is necessary to know how long each element stays in,besides the average one. 1111 What is RTD? • Residence Time Distribution • For a non-ideal reactor, it is necessary to know how long each element stays in, besides the average one. • Why We Study RTD? • Staying in a reactor for different time length, reactants may have different reaction extent