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Case Studies
Energy Efficiency of Large Limestone Quarry
Project Overview
Location:
Ras Al Khaimah, UAE
Highlights:
- Pactive conducted a comprehensive Industrial Energy Audit at one of the region’s largest quarrying facilities. With a production capacity of 80 million tons of limestone and 4.5 billion tons of other stones annually, the plant offered substantial opportunities for energy optimization and carbon reduction.
Key Findings
Estimated impact in numbers
Our Innovative Solution
Pactive conducted a detailed audit across major energy systems, identifying operational efficiency gaps and high-impact opportunities. Recommendations included process optimization, fan system upgrades, HVAC and lighting retrofits, and integration of Variable Frequency Drives (VFDs) for smarter equipment control.
Pre-Retrofit
Air compressors operated conventionally, running at fixed speeds regardless of varying demand—leading to consistent energy waste.
Proposed-Retrofit
Air compressors are proposed to be retrofitted with VFDs, enabling modulation based on real-time demand. This will allow precise control, improve efficiency, and extend equipment life.