PiDistill-B Lite is a real-time interactive simulator for practice and testing of a batch distillation column running an azeotropic, entrainer-based separation. Built by PiControl Solutions, it is a lighter-footprint version of PiDistill-B, focused specifically on azeotropic separations rather than the full range of batch distillation scenarios. It is process control simulation software excellent for chemical engineering academic institutions that teach and hold hands-on labs in mass and heat transfer, distillation, and liquid-vapor separation.
Azeotropes cannot be separated by ordinary distillation past their constant-boiling composition, so learning entrainer-based separation requires practice with the actual process dynamics, not just the theory. PiDistill-B Lite gives students and engineers a real batch column to run, with live composition and temperature response, before they ever touch a physical column or design a plant-scale azeotropic separation.
The problem: Azeotropic distillation is one of the harder separation concepts to teach, because the behavior that matters (how an entrainer shifts a vapor-liquid equilibrium curve, and how that shift plays out cut by cut through a batch) is dynamic. A textbook VLE diagram and a single scheduled lab session each capture only a slice of that behavior, and physical batch columns are expensive, slow to reset between student groups, and rarely available for repeated home-project practice.
A textbook vapor-liquid equilibrium diagram shows one composition curve for one system. It never captures how entrainer rate, reflux ratio, and cut timing interact dynamically as a batch progresses, so students who can read the diagram are often unprepared to run the actual separation.
Lectures on azeotropic behavior transfer terminology, minimum- and maximum-boiling azeotropes, entrainer selection, but not the operating judgment to run a batch column, which comes from repeated hands-on practice with feedback, not lecture comprehension.
A physical batch distillation column supports one group at a time, resets slowly between runs, and rarely scales to home projects or remote coursework, leaving most students with a single supervised attempt instead of repeated practice.
PiDistill-B Lite removes the structural problem: a real, real-time batch column running an azeotropic separation, repeatable as many times as a student needs, with no physical equipment required and no scheduling constraint. For programs that need the full range of batch distillation scenarios rather than the azeotropic-focused subset, PiControl's PiDistill-B covers the broader scope.
PiDistill-B Lite's feature set is built for one outcome: students and engineers who understand azeotropic separation by running it, not just reading about it.
Simulates batch column process interactions and calculations in real time as the batch progresses.
Reflects how a real batch column responds over time, not a single static equilibrium calculation.
Models entrainer feed and its effect on breaking minimum- and maximum-boiling azeotropes.
Azeotropic separation is a distinct skill from ordinary distillation, and it needs its own dedicated practice.
Lets users adjust reflux ratio, entrainer rate, reboiler duty, and cut-point timing.
Puts the operating decisions that determine separation quality directly in the student's hands.
Distillate and kettle composition, plus reboiler temperature, updating through the batch.
Makes vapor-liquid equilibrium behavior visible instead of abstract.
Reflux, entrainer, and cut controls in an operator-familiar layout.
Removes the interface learning curve, so students focus on separation chemistry, not navigation.
A smaller, azeotropic-focused setup built for classroom and home-project use.
Lowers the barrier to entry for programs that need azeotropic distillation practice, not the full batch scope.
Supports online teaching and remote labs, in line with Industry 4.0 education goals.
Lets students run a real batch separation remotely, without lab scheduling or equipment access constraints.
Chemical engineering academic institutions use PiDistill-B Lite to teach and hold hands-on labs focused on mass and heat transfer, distillation, and liquid-vapor separation techniques, alongside process equipment design and process control. It is excellent for designing practical batch distillation column tests, home projects, and laboratory examples without needing a physical column.
By enabling online teaching and a virtual laboratory, PiDistill-B Lite fits the goals of Industry 4.0 education: students run a real azeotropic batch separation remotely, without lab scheduling or equipment access constraints, and instructors can grade and review runs asynchronously.
For continuous distillation dynamics instead of batch operation, see PiDistill. For the full-scope batch distillation simulator this product is a lighter version of, see PiDistill-B.
PiDistill-B Lite is the entry point to PiControl's distillation simulator family: a lighter, azeotropic-focused starting point before the full batch and continuous simulators.
PiDistill-B models reflux drum behavior, cut transitions, and end-point determination across the full range of batch distillation scenarios, including but not limited to azeotropic separations, for specialty and pharma plants as well as advanced coursework.
PiDistill simulates a continuous distillation column, capturing tray hydraulics, reboiler and condenser response, and feed composition disturbances, the counterpart to batch operation for students and engineers who need both operating modes.
SIMCET pairs with PiDistill-B Lite for programs that want both separation-process practice and closed-loop PID tuning practice in the same curriculum.
Programs and plants across every sector PiControl serves use PiDistill-B Lite to build azeotropic separation fundamentals before students or engineers work with production-scale batch columns.
PiDistill-B Lite vs. PiDistill-B and PiDistill, azeotropic separation, and how to get a demo.
See PiDistill-B Lite run an azeotropic batch separation in real time. A PiControl engineer will demonstrate the simulator on separation cases relevant to your curriculum or department, and discuss academic licensing options.
