Silicon industry

Optimal yield

All over the world, silicon and silicon compounds are increasingly used in the production of wafers and solar plants. Special processes have been developed to ensure optimal use of primary materials and to recover the valuable raw materials used in silicon processing. Our indexing belt filters (type BF) and Autopress (type AP) system as well as our candle filters (type CF) for clarifying filtration enable cost-effective recycling and reuse of raw materials. Whether you want to recover silicon or the additives used in silicon processing, our systems allow for efficient processing with many different cake treatment options.

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Brochure "Indexing belt filter (BF)" (PDF / 2.0 MB)
Brochure "Indexing belt filter (BF)"

Product brochure for indexing belt filter (BF) as a continuously operating, horizontal vacuum filter

Size: 2.0 MB
Brochure "Candle filter (CF)" (PDF / 3.4 MB)
Brochure "Candle filter (CF)"

Product brochure for candle filter (CF)

Size: 3.4 MB

Advantages of BHS filtration technology

  • Batch or continuous operation
  • Economical recycling of materials
  • Optimum yield along with high quality
  • Low operating costs
  • Trained service team


  • Silicon carbide (SIC)
  • Silicon
  • Polyethylene glycol (PEG)

BHS filtration technical center

Link to tests at BHS technical center
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