We present the development and application of a two‐phase stirred reactor model for heavy
oil upgrading in the presence of supercritical water (SCW), with coupled phase‐specific
thermolysis reaction kinetics and multicomponent hydrocarbon–water phase equilibrium.
We demonstrate the inference of oil and water phase kinetics parameters for a compact
lumped reaction kinetics scheme through the application of this model to two different sets of
batch reactor experiments reported in the literature. We infer that, although SCW can …

The TPSR model can be run in different modes to give numerical solutions for different
practical reactor configurations as described below:• Batch and SCW-oil co-flow reactor
modes: In the batch reactor mode, the simulation is set up with no mass inflow or outflow for
either phase, that is, mo, in= 0, mw, in= 0, mo, out= 0 and mw, out= 0. The constraint on all
four flow rates necessitates that the system pressure is allowed to vary during the course of
the simulation. Typically, in most simulations performed in our work, the temporal variation in …