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Client Profile

Enterprise: Specialized upstream PV manufacturer
Core Processes: Mono-crystal pulling/Wafer slicing
Project Scope: Multi-site environmental remediation

Technical Implementation

Exhaust Treatment

Wastewater Treatment

Process-Specific Design

Crystal Growth

• Quartz crucible fume capture
• Argon purification system

Wafer Slicing

• Cutting fluid mist electrostatic recovery
• Diamond wire debris dry collection

Chemical Cleaning

• Sealed acid tank extraction
• HF gas calcium neutralization

Technical Features

1. Dust Control

   • Explosion-proof collectors (ATEX compliant)
   • Closed pneumatic powder transfer

2. Emission Synergy

   • Waste heat recovery from acid gas treatment
   • VOCs system variable frequency operation

3. Water Recycling

   • Staged reuse of cleaning wastewater
   • High-salinity brine pre-concentration