Case Study
Bhilosa Industries Pvt. Ltd. (Silvassa, DNHD)
Paints / Chemical Processing - Solar Sludge Dryer (Automated System).
Project Overview
Industry: Paints / Chemical Processing
Sludge Type: Industrial ETP sludge
Capacity: 4.5–5 TPD
Technology: Solar Sludge Dryer (Automated System)
Facts and Figures
Sludge Generation: 4.5–5 TPD
Drying Area: ~940 m²
Input Moisture: ~80%
Design Output Moisture: <20%
Achieved Output Moisture: ≤10%
Power Consumption: ~10–15 kWh/day (~300 units/month)
The Challenge
- Moderate to high sludge generation (up to 5 TPD with fluctuations)
- High moisture (~80%) increasing disposal cost
- Requirement for scalable and continuous drying system
- Need for efficient material handling (feeding + discharge)
- Industrial requirement for consistent dryness
The Solution
- Installation of large-scale Solar Sludge Dryer
- Drying area: ~940 m² (8 m width × ~100 m length)
- Continuous turning mechanism for uniform drying
- Integrated systems: Sludge feeding hopper, Belt conveyor, Bucket elevator, Delivery chute system
- Semi-automated operation for optimized performance
The Benefits
- Achieved higher-than-design performance (≤10% moisture)
- Significant reduction in sludge volume and disposal cost
- Low energy consumption compared to thermal systems
- Scalable system for fluctuating loads
- Improved handling via integrated conveying systems
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