Case Study
Brandix SEZ(Visakhapatnam, Andhra Pradesh)
Textile Industrial Park (SEZ) - Solar Sludge Dryer (SSD)
Project Overview
Industry: Textile Industrial Park (SEZ)
Sludge Type: Segregated industrial sludge (non-hazardous fraction for fuel use)
Capacity: ~10 TPD
Technology: Solar Sludge Dryer (SSD)
Facts and Figures
Sludge Generation: ~10 TPD
Input Moisture: ~75–80%
Output Dryness: Up to 85–90% DS
Energy Source: 100% solar
System Type: Continuous solar drying with automation
The Challenge
- Requirement to reduce landfill disposal across industrial cluster
- Target for carbon-neutral and sustainable operations
- Need to convert sludge into usable alternative fuel
- Avoid use of thermal energy (strict sustainability objective)
- Odour control across industrial park
- Ensure safe handling and consistent drying
The Solution
- Installation of Solar Sludge Dryer using greenhouse technology
- Sludge segregation at source to enable fuel reuse
- Continuous turning system for uniform drying
- Air management system to minimize odour
- Automated feeding and silo-based discharge system
The Benefits
- Near elimination of landfill disposal
- Production of alternative fuel for cement co-processing
- Zero external thermal energy consumption
- Reduced carbon footprint (aligned with sustainability goals)
- Improved sludge handling (granular dried output)
- Effective odour management across facility
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