Case Study
Cairn India Limited (Barmer, Rajasthan)
Oil & Gas / Petroleum Processing - Steam-Based Hollow Paddle Dryer.
Project Overview
Industry: Oil & Gas / Petroleum Processing
Sludge Type: Oily hazardous sludge
Capacity: 1.1 TPD
Technology: Steam-Based Hollow Paddle Dryer
Facts and Figures
Sludge Generation: 1.1 TPD
Available Area: 10–15 m²
Input Moisture: 80–90%
Output Moisture: <10% (as low as 5%)
Dry Solids Achieved: >90–95%
System Type: Continuous thermal drying
The Challenge
- Oily sludge with high moisture (80–90%) and poor drying characteristics
- Requirement for very high dryness for safe disposal / reuse
- Limited installation area (10–15 m²)
- Solar drying not feasible due to process constraints and consistency requirements
- Need for controlled, continuous drying
The Solution
- Installation of steam-heated hollow paddle dryer
- Compact system suitable for limited space
- Integrated feeding and discharge systems
- Continuous mixing and indirect heating for uniform drying
- Fully enclosed system for handling hazardous sludge
The Benefits
- Achieved extremely high drying efficiency (>90% moisture removal)
- Significant volume reduction of hazardous sludge
- Consistent and controlled output quality
- Compact footprint solution for space-constrained sites
- Fully compliant handling of oily sludge
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