Reactor Sizing – PFR & Batch Excel Calculator with Rohit Kumar Yadav

🧪 Simplify Chemical Reactor Sizing

The ChemicalWala Reactor Sizing Live One-Page Calculator is a practical Excel-based engineering tool developed for preliminary reactor design and reaction-performance evaluation.

Select the reactor type and enter the feed conditions, kinetic parameters, reaction order and required conversion. The calculator automatically applies the relevant design relationships and presents the results in a structured format.

✅ Reactor Modes

• Continuous Stirred-Tank Reactor

• Plug Flow Reactor

• Batch Reactor

✅ Key Calculations and Features

• Feed molar-flow and concentration inputs

• Reaction-order selection

• Rate-constant and kinetic-data inputs

• Arrhenius temperature-effect evaluation

• Target-conversion input

• Reaction-rate calculation

• CSTR volume calculation

• PFR volume estimation

• Batch reaction-time calculation

• Space-time and residence-time evaluation

• Space-velocity calculation

• Conversion and reactor-size comparison

• Automatic engineering status and warning indicators

• Live Excel formulas with instant recalculation

• Clean one-page calculation-sheet format

📦 What You Will Receive

• One ready-to-use Excel reactor-sizing calculator

• Editable feed, kinetic and operating inputs

• Separate CSTR, PFR and batch calculation modes

• Automatically generated design results

• Reusable format for different reactions and operating cases

• Professional calculation sheet for engineering studies

🎯 Suitable For

• Process and Chemical Engineers

• Reaction and process-design professionals

• EPC, project and plant engineers

• Engineering consultants and freelancers

• Chemical-engineering students

⚠️ Engineering Note

This calculator supports preliminary reactor sizing using ideal-reactor assumptions and user-supplied kinetic data. Final reactor design must consider validated reaction kinetics, heat and mass transfer, mixing, catalyst behaviour, pressure drop, safety, materials of construction and applicable project requirements.