Advanced Process Technology

PPP Equipment Corporation (PPP-E) and Poly Plant Project (PPP) provide customized process technology in the form of modular packages and complete plant solutions using our advanced and proven process designs. Our solutions have been developed based on our team’s decades of polysilicon production plant engineering and operation experience at highly efficient, world-class plants.

Our experience at multiple polysilicon production plants has enabled our team to develop advanced process technology packages that are based on proven processes and equipment ensuring the safe, efficient and reliable production of polysilicon materials as well as the production, recycling and storage of gases and liquids in the plant.

PPP-E and PPP have experienced Managers and Engineers who have a total of over 360 years combined experience in the polysilicon and chemical industries. This significant experience has enabled PPP-E and PPP to develop these systems:

• Advanced Trichlorosilane Production Process Technology,
  • Hydrochlorination Process (Siemens Process)
  • Hydrogenation Processes (Cold Conversion)
• Advanced TCS Fluid Bed Reactor Equipment
  • > 88% TCS Yield
  • 30,000 tons/year Capacity
  • > 90% Uptime
• Advanced Trichlorosilane Purification Process Technology
  • Process simulation based on impurity speciation
  • 6:1 TCS to Polysilicon Conversion for SOG Polysilicon
  • 1.2:1 MG Si to Polysilicon Conversion
• Advanced Deposition Process Technology
  • Cost-effective Filament Production Process
  • Advanced Distributive Control System
• Advanced Chemical Vapor Deposition Reactor Equipment
  • 36-Rod Reactor at Guaranteed 200 Metric Tons per Year
  • 54-Rod Reactor at Guaranteed 365 Metric Tons per Year
• Cost-Effective Polysilicon Processing Technology
  • Advanced Rod Harvesting Equipment
  • Polysilicon Rod Processing to Designed Specifications
• Advanced STC-to-TCS Conversion Process Technology
  • Thermal Converter Process Technology
  • Hydrogenation Chemical Process Technology
• Advanced STC-to-TCS Thermal Converter Equipment
  • 22% Conversion to TCS
  • Recovery of 98% of STC-to-TCS
  • One Converter for Two Deposition Reactors
• Advanced Hydrogenation Process Equipment
  • Up to 30 % Conversion to TCS
  • Energy Savings ~ 15 kwhr/kg polysilicon
  • Reduced Capital Cost for Large Polysilicon Plants
• Cost-Effective Co-Product and Vent Gas Recovery and Recycle
  • Recovery of 98 % of HCl
  • Recovery of 95% of Hydrogen
  • Recovery of 98% of STC to TCS
• Complete Quality Control System for All Processes and Equipment
• Complete Analyses and Evaluation System for All Products and Co-Products
• Complete Risk Analysis and Safety System for All Processes and Equipment