PharmaChemE
Calculators for the numbers you need on the plant floor, troubleshooting games, a structure-drawing tool and articles for chemical and pharma engineers.
Pump power, solvent recovery, filtration, mixing scale-up and more.
Browse → 🎮Work out what went wrong when a reactor, centrifuge or recovery batch misbehaves.
Play → 🧪Draw a structure, get its formula and molecular weight.
Open Tool → 📚Process calculations explained step by step, with worked examples.
Read → ⚙️How 53 pieces of plant equipment and 49 instruments work, from beginner to professional.
Learn → ⚠️Lessons, calculators, incident case studies, a quiz and the Runaway! game.
Start →Business Services
Have a calculation your team still does by hand or in a spreadsheet? We can build it into a tool for your process.
Popular Calculators
Batch vacuum distillation design: boiling point, heat load, recovery time, condenser sizing and vacuum pump capacity.
Open CalculatorGet theoretical hydraulic power, pump shaft power and motor power from flow, head and efficiencies.
Open CalculatorBüchner filtration trial: specific cake resistance and flux, with a Good/Moderate/Slow verdict.
Open CalculatorRecovery time and heat load for batch solvent recovery, taken from the Solvent Recovery module.
Open CalculatorReactor geometry, agitation, Reynolds number, tip speed, Power, P/V and torque. Compare across plants or scales.
Open CalculatorBasket centrifuge cake weight and G-force from basket geometry, cake thickness, and bulk density.
Open CalculatorGames
"Reactor temperature is rising unexpectedly. What should you check first?"
"Centrifuge cake isn't reaching expected dryness. Where's the fault?"
"Solvent recovery yield has dropped this batch. What's your diagnostic path?"
Molecules
Draw a structure and get molecular formula, weight, atom/bond counts and SMILES. The chemistry is computed by OpenChemLib.
Latest Articles
Hydraulic power, shaft power, and motor sizing, with a full worked example.
Read ArticleThe Antoine equation, boiling point at vacuum, and why recovery runs under vacuum at all.
Read ArticleWhy constant tip speed, constant P/V, and constant Reynolds number give different answers.
Read ArticleVirtual Plant Tour
Fly over the site or walk through it, and watch a full working day: production, distillation, utilities, QC/QA, warehouse, effluent treatment with MEE (zero liquid discharge) and fire & safety, with equipment data at every stop.
Start the Tour