Abstract
A PAPER by M. P. Applebey, published in Chemistry and Industry of December 28, on recent developments in the chemistry of sulphur, foreshadows important advances and perhaps far-reaching changes in those industries which are concerned with sulphur and its oxide. Researches extending over some years in the laboratories of Imperial Chemical Industries, Ltd., at Billingham have solved the problem of concentrating sulphur dioxide from metallurgical gases containing from three to seven per cent, by the ingenious method of using a sulphite-bisulphite system which can be regulated to have a moderately high pH. in the cold and a much lower one when hot by the addition of a substance such as aluminium chloride, the hydrolysis of which is much increased by rise of temperature. It has been further discovered how to reduce the practically pure sulphur dioxide so obtained by coke:
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Future of the Sulphur Industry. Nature 135, 16 (1935). https://doi.org/10.1038/135016a0
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DOI: https://doi.org/10.1038/135016a0