Control Valve Leak and System Isolation
Control valve leak is expected behavior. Its impact depends on system layout and operating conditions outside normal operation.
chemical engineering
Tray Efficiency in a Distillation Column
Discover the key differences between tray and packed columns in distillation. This guide explains efficiency metrics, pressure drop, flow range, maintenance, and typical industrial uses with a clear infographic.
Work in Thermodynamics. PV Diagrams
Thermodynamics work describes the mechanical energy exchanged between a system and its surroundings during a transformation. From piston expansion to cyclic processes, it is represented in P–V diagrams as the area under the curve or enclosed by the cycle, making it a key concept for applying the First Law of Thermodynamics.
Vacuum Tank Collapse in Atmospheric Tanks
Even relatively small pressure differentials can trigger vacuum tank collapse in thin-walled atmospheric storage tanks.
Career Opportunities in Chemical Engineering
Discover the wide range of career paths available to chemical engineers — from plant operations to sustainability, safety, R&D, and leadership roles. Learn where chemical engineers work, what skills they need, and which industries offer the highest salaries worldwide.
Vent Header Design: Safer Top Tie-In Layout
Vent header design is critical for safe reactor operation. This article explains why top tie-ins are preferred over bottom tie-ins, how to prevent condensate backflow, and which best practices ensure reliable vent systems connected to a catch tank.
Heat Exchanger Fouling and Rubby Formation
Heat exchanger fouling in methanol plants can be a symptom of a deeper problem inside the Auto-Thermal Reformer (ATR): Ruby (or Rubby) Formation. This phenomenon occurs when impurities and hot spots weaken the catalyst support, releasing silica particles that deposit on exchanger tubes and reduce thermal efficiency. Several mitigation approaches are applied in industry — among them Steam Washing, impurity control, optimized ATR operation, and improved catalyst formulations — to limit fouling and maintain reliable plant performance.
What is Heat Transfer? Definition and Types
Heat transfer is a fundamental unit operation in chemical engineering, essential for energy recovery and process control. This article explains the main industrial configurations: process-to-process heat exchange, utility-based systems such as reboilers and condensers, and integrated solutions like jacketed reactors. Direct-contact cases such as cooling towers and scrubbers are also considered, showing how thermal energy is managed in real plants.
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 dynamics to heat transfer and process control.
Second Law of Thermodynamics: PM 2nd Kind
The Second Law of Thermodynamics governs the direction and irreversibility of real processes, completing the energy balance framework established by the First Law.
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