Patent ID: 7344891

Claim:
A process vessel for evaporating a liquid feed and treating the resulting vapor comprising: an evaporation zone; a treatment zone; an insert containing at least one evaporation surface for evaporating feed and generating vapor, said insert positioned within the process vessel so that the evaporation surface is within the evaporation zone; an injector having an orifice, wherein said orifice is in the evaporation zone and the injector orifice and the evaporation surface are positioned relative to each other so as to prevent the formation of a drop at the orifice; a solids receptacle containing solid particles for treating the vapor, said solids receptacle positioned within the process vessel so that the solid particles are within the treatment zone; a housing having an inlet and an outlet and having the solids receptacle nested within the housing and the insert nested within the solids receptacle; and at least one heater associated with at least a portion of the process vessel.