Flue gas desulfurization

Clean, dry gypsum

Large quantities of gypsum are formed during flue gas desulfurization by wet scrubbing. To ensure high-quality gypsum, certain limit values for pollutants and residual moisture must be reliably met. As a result, the wet gypsum produced in this process must be treated.

Our indexing belt filters (type BF) have been a well-proven solution in this application for many years. For higher performance requirements, we offer our rubber belt filters (type BFR). Both filters enable wet scrubbing in multiple stages so that you can meet threshold requirements for pollutants and salts. Thanks to integrated dewatering and drying zones, required residual moisture limits are always met so that the gypsum can be easily marketed or processed.

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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
Brochure "Rubber belt filter (BFR)" (PDF / 1.0 MB)
Brochure "Rubber belt filter (BFR)"

Product brochure for the rubber belt filter (BFR)

Size: 1.0 MB

Advantages of BHS filtration technology

  • Cake washing in multiple stages
  • Reliable dewatering
  • Fully automatic operation
  • Indexing or continuous operation
  • Safe and reliable
  • Trained service team

BHS filtration technical center

Link to tests at BHS technical center

Technical article

Comparison of Gypsum Dewatering Technologies at Flue Gas Desulfurization Plants

June 2-7, 2002
June 2002
PDF (381 KB)
Comparison of Gypsum Dewatering Technologies at Flue Gas Desulfurization Plants

Recovering gypsum from flue gas desulfurization (FGD) plants is becoming more important as the technical feasibility of substituting FGD gypsum for natural gypsum in traditional applications such as wall board, cement and soil conditioners has been demonstrated. It is estimated that there are over 200 new coal-fired plants and over 1000 upgrades of existing coal-fired plants in various stages around the world. An important aspect of gypsum recovery is the solid-liquid separation technology that is used.

Size: 381 KB
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