Role of RTD,State of Aggregation,and Earliness of Mixing in Determining Reactor Behavior In some situations one of these three factors can be ignored,in others it can become crucial.Often,much depends on the time for reaction t,the time for mixingtmix,and the time for stay in the vessel tsty.In many casests has a meaning somewhat like but somewhat broader. 8 8 • Role of RTD, State of Aggregation, and Earliness of Mixing in Determining Reactor Behavior • In some situations one of these three factors can be ignored, in others it can become crucial. Often, much depends on the time for reaction , the time for mixing , and the time for stay in the vessel . In many cases has a meaning somewhat like but somewhat broader. trx t mix t stay t stay t mix