RECOVERY FROM WASTE
Both with .the objeet of preventing atmospheric pollution and of avoiding waste of valuable materials, much attention is being paid in Britain to the cleaning of smoke. Fropi 95 to 98 -per cent of "waste" materials from smelting gases are recovered in Over 3000 works supplied with recovery plant hy a Bir mitcham firm. The electrostatic method of recovery, originated hy the classical researches of Sir Oliver Lodge is represented by applioations employed in the smelting of tin, zinc, lead, gold^ copper and aluminium. Through its salvage plants the eity of Birmingham recovers ffrom its dustbins each year materials valued at £50,000. Last year 5110 tpnp of tinplate, .118 tons of non-ferrous metals, 415 tons of bones, 846 tons of glass, 1029 tons of rags, and eijver worth £15 were recovered, Ffpin the upsaleabje refuse 50,000 tons of clinker were produced and the heat generpted by the proeess was eonverted into electrical energy, and jnade 4,000,000 units of electricity.
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Hawke's Bay Herald-Tribune, Issue 139, 29 June 1937, Page 4
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162RECOVERY FROM WASTE Hawke's Bay Herald-Tribune, Issue 139, 29 June 1937, Page 4
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