Friedel-Crafts Reactions

Groggins, P. H.; Detwiler, S. B.

doi:10.1021/ie50501a016

Cited by 2 publications

(1 citation statement)

References 5 publications

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“…If we assume that de novo synthesis is at one of its stages a kind of Friedel-Crafts reaction [35] (consecutive chlorination of the aromatic ring), then the reduction of the chlorine concentration in the de novo reaction zone (outside the combustion zone, at 250-400 • C) will reduce the amount of dioxins and furans formed, particularly highly chlorinated compounds. The pathway of the Deacon reaction, known for over 100 years [36], shows that it is not possible to remove all of the chlorine in a molecular form, capable of chlorination according to the Friedel-Crafts mechanism:…”

Section: Introductionmentioning

confidence: 99%

Simultaneous NOx and Dioxin Removal in the SNCR Process

et al. 2020

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Nitrogen oxides, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans are pollutants formed during thermal processes, in particular during the combustion of various fuels, including waste. They are classified as dangerous and highly toxic environmental pollutants whose emissions are strictly regulated. Many methods for reducing their emissions are known, but all involve additional production costs. For this reason, effective and cheap methods for removing these pollutants from exhaust gases are still sought. Selective non-catalytic reduction of nitrogen oxides is one of the more effective and cheaper methods for reducing these emissions. However, an alternative to expensive methods for dioxin and furan removal (catalysis, adsorption, etc.) may include using dioxin synthesis inhibitors. The authors propose a method for the simultaneous removal of both pollutants from flue gases using selective non-catalytic reduction technologies with dioxin synthesis inhibitors used as reducing agents.

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Section: Introductionmentioning

confidence: 99%