Plastic intermediates

High performance and cost-effectiveness

The production of plastic intermediates is a typical application for the BHS rotary pressure filters (type RPF) and the BHS indexing belt filters (type BF). Both systems offer maximum throughput rates while ensuring consistently high product quality. Excellent cost-effectiveness, especially with regard to energy consumption and maintenance costs, as well as reliability are key parameters for production facilities. Our high-performance systems meet these criteria and allow for economical plant operation. Our rotary pressure filters operate at pressures of up to 7 bar (g) and temperatures of up to 160 °C, and our belt filters feature areas of up to 100 sqm. These are key factors in ensuring efficient production.

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Downloads

Brochure "Indexing belt filter (BF)" (PDF / 1.2 MB)
Brochure "Indexing belt filter (BF)"

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

Size: 1.2 MB
“Rotary pressure filter (RPF)” brochure (PDF / 1.4 MB)
“Rotary pressure filter (RPF)” brochure

Product brochure for the rotary pressure filter (RPF)

Size: 1.4 MB

Advantages of BHS filtration technology

  • Pressure or vacuum filtration
  • Low operating costs
  • Maximum production output
  • Consistent quality
  • Trained service team

Applications

  • Polyolefins
  • Aromatic acids (e.g., PTA)
  • Acrylic resins
  • Melamine resins
  • Aramids
  • Polymers
  • Bisphenol
  • Terephthalic acid
  • Semi-finished products

BHS filtration technical center

Link to tests at BHS technical center

Technical article

Rotary pressure filters: Record performance in the drum

cpp | chemical plants & processes
2-2012
June 2012
PDF (99 KB)
Rotary pressure filters: Record performance in the drum

At the end of 2011, BHS-Sonthofen delivered five RPF X 20 rotary pressure filters to a customer in China. The filters are used in the manufacture of intermediate plastic products. In terms of throughput, they are the world’s largest rotary pressure filters. A suspension volume of up to 225 m3 is filtered per filter and hour. This is equivalent to roughly 100 t/h of solids per filter. (more: www.cpp-net.com)

Size: 99 KB
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