RECOVERY FROM WASTE.
EFFICIENT CLEANING OF GASES. Both with the object of preventing atmospheric pollution and of avoiding waste of valuable mate rials, much attention is being paid in Britain to the cleaning of smoke. From 95 to 98 per cent, of “waste” materials from smelting gases are recovered in over 3000 works supplied with recovery jilant by a Birmingham firm. The electrostatic method of recovery, originated by the classical researches of .Sir Oliver Lodge (a past principal of the University of Birmingham), is represented by applications employed in the smelting of tin, zinc, lead, gold, copper and aluminium, and general casting, roasting and sintering. Other main applications include the cleaning of blast furnace and waste, combustion gases and the prevention of nuisance from cement, lime and stone crushing plants. Through its salvage plants the city of Birmingham recovers from its dustbins each year materials valued at £50,000. Last year 5110 tons of tinplate, 118 tons of non-ferrous metals, 415 tons of hones, 846 tons of glass. 1029 tons of rags, and silver worth £ls were recovered. From the unsaleable refuse 50.000 tons of clinker were produced and heat generated by the prooess was converted into electrical energy, and made 4.000,000 units of electricity.
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Bibliographic details
Manawatu Standard, Volume LVII, Issue 178, 29 June 1937, Page 7
Word Count
204RECOVERY FROM WASTE. Manawatu Standard, Volume LVII, Issue 178, 29 June 1937, Page 7
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