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Limestone Power Plant Desulfurization Project: Key Technologies and Benefits

The limestone power plant desulfurization project represents a critical solution for reducing sulfur emissions in thermal power generation. This comprehensive guide explores the technical aspects, environmental advantages, and operational considerations of implementing flue gas desulfurization (FGD) systems using limestone.

Understanding Limestone-Based Desulfurization in Power Plants

Limestone power plant desulfurization systems utilize calcium carbonate (CaCO₃) to remove sulfur dioxide (SO₂) from flue gases. The chemical reaction between limestone slurry and SO₂ produces gypsum as a byproduct, which can be commercially valuable.

Key Components of a Limestone Power Plant Desulfurization Project

A complete desulfurization project typically includes:

• Limestone preparation and slurry system
• Absorber tower with spray nozzles
• Oxidation air system
• Gypsum dewatering equipment
• Wastewater treatment facilities

Advantages of Limestone FGD Technology for Power Plants

The limestone power plant desulfurization project offers multiple benefits:

• 90-98% SO₂ removal efficiency
• Cost-effective reagent (limestone)
• Production of marketable gypsum byproduct
• Compatibility with various coal types
• Mature technology with proven reliability

Implementation Challenges in Limestone Desulfurization Projects

Power plant desulfurization projects face several technical challenges