Monday, October 20, 2025

Formation of Polycyclic Aromatic Hydrocarbons (PAHs) in Thermal Systems


Polycyclic Aromatic Hydrocarbons (PAHs) are a group of toxic organic compounds formed during the incomplete combustion of organic materials such as coal, oil, gas, wood, and biomass. In thermal systems like engines, furnaces, and incineratorsPAHs emerge primarily due to high-temperature reactions and limited oxygen availability. These compounds are characterized by multiple fused aromatic rings, making them highly stable and persistent in the environment.

Researchers are increasingly concerned about PAHs because of their carcinogenic and mutagenic properties. Their formation pathways often involve the thermal degradation of hydrocarbons followed by molecular growth through radical reactions. Controlling combustion temperature, ensuring adequate oxygen supply, and using catalytic converters are effective ways to reduce PAH emissions.

Advancements in diagnostic tools and computational modeling are now helping scientists better understand PAH kinetics, guiding the design of cleaner combustion systems. As industries push toward sustainable energy and green technologies, mitigating PAH formation remains a vital challenge for cleaner air and environmental safety.

Popular Engineer Awards

Theme: Popular Engineer Awards for a Connected Future

Popular Engineer Awards celebrate groundbreaking contributions in the field of research data analysis. This year’s theme, "Popular Engineer Awards for a Connected Future," highlights the latest innovations, methodologies, and transformative applications that drive scientific discovery and practical solutions.

By recognizing outstanding researchers, teams, and organizations, these awards aim to:

Honor Excellence – Acknowledge remarkable achievements in data-driven research and innovation.

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