Chemical Engineering Topics
Key Issues in Process Design, Safety, and Operations
Hazardous Area Classification: ATEX Zones
Understand the fundamentals of ATEX zone classification for gases, vapours, and mists according to Directive 1999/92/EC. This article explains where …
Control Valve Leakage: Often Used Upstream
Even a small internal leakage through a control valve can change process behavior and compromise safety. This article explains why …
Chemical Engineering Core Disciplines – A Practical Overview
Chemical engineering core disciplines: a concise overview of the main engineering fields that structure chemical engineering, from thermodynamics and fluid …
VOC emission control: CO₂ Solidification Risks
CO₂ solidification in cryogenic abatement systems can reduce VOC emission control performance by causing blockages and loss of operability …
Rupture Disc Activation: Near Miss or PS Event
When a rupture disc activates, it represents a process deviation that must be recorded within the Safety Management System. Depending …
Safety Interlocks: P&ID Example
Cryogenic VOC abatement systems are highly effective but face operational limits when CO₂ or water freezes at low temperatures. This …
Rupture Disc Positioning: Best Practices
A practical comparison between What-If Analysis and HAZOP for process safety studies, with real examples from chemical plants. Learn when …
Pressure Safety Valve vs Rupture Disc: Key Differences
A practical engineering comparison with a real reactor example, covering PSV, rupture disc, and RD+PSV configurations used in chemical plants …
Vent Header Design: Why Top Tie-Ins Are Safer
Vent header design is critical for safe reactor operation. This article explains why top tie-ins are preferred over bottom tie-ins, …
