ferozonen.
/ˈfɛrəʊzəʊn/ A mineral substance containing ferrous sulphate and other metal salts formerly used as a precipitant in the treatment of sewage.
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the world > the earth > minerals > types of mineral > other miscellaneous minerals > [noun] > mineral substances
quincite1835
atelestite1854
adamantoid1885
ferozone1888
polarite1889
petrichor1964
synroc1978
the world > physical sensation > cleanness and dirtiness > sanitation > provision of sewers > sewage treatment > [noun] > substance for treating sewage
ferozone1888
1888 Brit. Pat. 11,663 8 Treatment of Sewage... Use corresponding sized pieces of basic-cinder or slag the refuse of steel works or ferozone or gypsum..or other porous and water purifying material.
1898 Engineer. Mag. 16 157/1 The Purification of Sewage by the Ferrozone Polarite System.
1910 W. H. Maxwell & J. T. Brown Encycl. Municip. & Sanit. Engin. 164/1 The object of ‘ferozone’ is to act as a precipitant and to assist in the disinfection and deodorisation of the sewage and sludge.
1927 T. H. P. Veal Disposal of Sewage v. 66 Alumino-ferric and ferrozone are more expensive than lime but are more easily applied.
This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2020).
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n.1888