Society of Glass Technology · [Sheffield] · leaf 427
remove clay com-pletely from suspension. Electricpower was obtained by suitablytransforming down a high voltagecurrent. The impurities originally in theclay were pyrites, mineral residues,and much quartz, the clay sub-stance forming 60—66 per cent, ofthe material. Before treatment,the clay… … KofoRBufQiE.S Fig. 6.—Electro-Osmose Unit. FUELS, REFRACTORIES, AND FURNACES. 27 obtained, a recent analysis showing the percentage composition :silica 49-27, alumina 3356, iron oxide 1-30, lime 028, magnesia0*05, potash 0-86, soda 0*36, loss on ignition 14-28. The osmosedclay stood up to Seger…
Glass
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