Abstract
IN NATURE of January 23, an article on the prevention of smoke and dust emission referred to the difficulty experienced in burning raw coal smokelessly in the conventional open grate, and stated that investigations are now in progress having as their object the removal of this source of atmospheric pollution. The fundamental cause of smoke production from a domestic fire is the low temperature obtaining in the space above the fuel bed, combined with the cooling of the hot products of combustion by excess air entering the face of the grate. This normally gives rise to partial combustion of the hydrocarbon distillation products and the evolution of materials rich in carbon, but at certain periods, notably on kindling and on refuelling, the tarry matter may pass into the atmosphere unchanged.
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Smoke Reducing Grates for Domestic Use. Nature 139, 405 (1937). https://doi.org/10.1038/139405a0
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DOI: https://doi.org/10.1038/139405a0