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Chemical Engineering Resources Designed to Fix the Concept

Visual and practical PDFs to master the fundamentals.

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A one-page engineering example showing how to read a process through thermodynamics, flow paths, and safety logic.
Practical visual guide to process understanding through P&ID reading and engineering reasoning.
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Illustration comparing tray and packed distillation columns, highlighting operational and design differences.
Visual comparison of tray and packed distillation columns highlighting operational and design differences.
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Table showing ATEX Zone Classification for gases, vapours, mists, and dusts according to Directive 1999/92/EC (Workplace Directive).
Table showing ATEX zone classification for gases and dusts according to Directive 1999/92/EC.
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From the Fix the Concept series – visual explanation of how oxygen, fuel and an ignition source combine to create an explosion in gaseous atmospheres.
Diagram showing the Explosion Triangle for gases, vapours and mists.
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Poster showing the four pillars of an effective Safety Management System: Safety Policy, Risk Management, Safety Assurance, and Safety Promotion.
Visual summary of the 4 pillars of an effective Safety Management System.
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Poster explaining Poiseuille’s Law in fluid dynamics, showing the effect of viscosity on a flowing liquid and the pressure drop along a horizontal pipe.
Visual explanation of Poiseuille’s Law and viscosity effects in laminar flow.
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Reynolds Number – educational infographic on fluid dynamics and flow regimes (laminar, transitional, turbulent)
Quick visual guide explaining the meaning of Reynolds Number.
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Thermodynamics overview visual from ChemEngZone’s Fix the Concept series.
Visual preview of the Fix the Concept poster “Thermodynamics Overview,”.
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Articles You May Find Useful

  1. Safety Relief Valves vs Rupture Discs: Key Differences
    Category: Process Safety — Highlights protection systems and relief design.
  2. Heat Transfer Basics for Engineers
    Category: Unit Operations — Explains key mechanisms behind heat exchange.
  3. What Is Chemical Engineering and How It Shapes Everyday Life
    Category: General / Educational — Core pillar content for beginners.
  4. What-If Analysis vs HAZOP in Process Safety
    Category: Process Safety — Comparison between hazard identification methods.
  5. Heat Exchanger Fouling and Rubby Formation
    Category: Heat Transfer — Real plant issues related to fouling mechanisms.
  6. Thermodynamics Work in a Transformation
    Category: Thermodynamics — Explains energy exchange in industrial systems.
  7. Vacuum Tank Collapse: Hazards & Prevention
    Category: Process Safety — Illustrates real safety failures and prevention strategies.
  8. Tray Efficiency: Improve Column Performance
    Category: Distillation / Unit Operations — Practical methods to improve separation efficiency.

🔗 Useful External Links

AIChE – Chemical Engineering Progress (CEP)
Monthly journal by the American Institute of Chemical Engineers, featuring best practices in process design, optimization, and plant operation.

OSHA – Process Safety Management Guidelines
Official U.S. resource outlining key safety requirements for chemical and industrial plants.

Chemical Engineering Magazine (ChemEngOnline)
Leading publication covering industrial case studies, plant optimization, and process technologies.

Engineering Toolbox
Comprehensive database with thermodynamic properties, process diagrams, and equipment data for engineers.

Perry’s Chemical Engineers’ Handbook – McGraw Hill
The standard reference for chemical and process engineers worldwide, covering theory, design, and safety.