Publication: Magyar Közlöny
Issue: MK-2007-40 (Year: 2007, Number: 40)
Era: 2004-2010
Section: 
Paragraph Index: 278

29. Purification of gases using fabric filters will reduce the dust content to less than 20 mg/m3, whereas electrostatic precipitators and scrubbers will reduce the dust content to 50 mg/m3 (as an hourly average). However, there are many applications of fabric filters in the primary iron and steel industry that can achieve much lower values. 2007/40. szám Table 4: Emission sources, control measures, dust reduction efficiencies and costs for the primary iron and steel industry Emis si on so ur ce Cont rol me a su re(s) Dust re duc ti on ef fi ci en cy (%) Aba te ment costs (to tal costs US$) Sin ter plants Emis si on op ti mi zed sin te ring ca. 50 .. Scrub bers and ESP >90 .. Fab ric fil ters >99 .. Pel let plants ESP + lime re ac tor + fab ric fil ters >99 .. Scrub bers >95 .. Blast fur na ces Blast fur na ce gas cle a ning FF/ESP >99 ESP: 0.24–1/Mg pig-iron Wet scrub bers >99 .. Wet ESP >99 .. BOF Pri ma ry de dus ting: wet se pa ra tor/ESP/FF >99 Dry ESP: 2.25/Mg ste el Se con da ry de dus ting: dry ESP/FF >97 FF: 0.26/Mg ste el Fu gi ti ve emis si ons Clo sed con ve y or belts, enc lo su re, wet ting sto red fe eds tock, cle a ning of re ads 80–99 ..

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