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Show 1 ~ . 1 ~ r-.... . 01 .001 30 i' r-.... ..... ..... i' r-.... '" TANDEM NOZZLE ........ ~ .......... ....... .. . ~ ~c ~!. ~'lA ~ f"~1 Ot'ol. -"r- ....... r-.;~ ~~~ r""-,..... Id,~ I'r-- ........ ~ r-.;~ ~~ ~~ ""~ ,....."" i""""o" r-." ~~ ~r-- 1'''''", " ,j~ ..... " ~~ r· ~.~ ~R ~ r-....r--.. ~ r--I' f""'oo. " ....... ,..... II".I" K . . rrJ- ~ at!>. r""-~ ~r lt r' ~'" I'~ ~,..... 40 50 Figure 8 - Thermal Destruction Processes ~""'" '" r-...... ~~I-- f'" r--..r--. ~'" "" r-.... "" ...... "'" r...... ....... r....... ...... ...... .... 1--1--... ........ r..... ~r--.. 60 70 Acid gas emissions from a free-jet scrubber are determined by the availability of reagents and to a lesser extent the scrubber energy input. Using a dilute sodium hydroxide solution, acid gas removal rates will generally average: Conclusion Hydrogen chloride (Hel) Sulphur dioxide (S02) >99% >95% Free-jet scrubbers have been successfully used in a variety of combustion gas scrubbing applications. The free-jet action allows more effective use of the available contacting power than conventional wet scrubbers and can significantly reduce emissions. Four different types of scrubbers have been developed to provide flexibility in meeting the requirements of each particular application. Free-jet scrubbers have demonstrated their ability to meet the most stringent emission requirements. 8 |