Coal Gasification – A Comprehensive Guide to Process, Benefits & Challenges

Coal gasification is transforming how coal resources are utilized, offering a cleaner and more versatile alternative to traditional combustion. This thermochemical process converts coal into synthesis gas (syngas) — primarily hydrogen (H₂), carbon monoxide (CO), and carbon dioxide (CO₂) — which can be used for power generation, chemical production, and fuel synthesis.

At the heart of gasification are several distinct stages: drying to remove moisture, pyrolysis that breaks down organic matter, oxidation under controlled oxygen to generate heat and CO, and reduction using steam to produce H₂ and CO. This approach delivers higher efficiency than direct coal combustion and supports advanced applications such as hydrogen production, synthetic natural gas (SNG), and chemicals manufacturing.
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