The tubular weigher WeighTUBE® – the innovative bulk material dosing system
1 Alternative fuels for the cement industry
Particularly in the cement industry, recent years have seen the replacement of conventional fossil fuels with alternative fuels. Aside from biomass, sewage sludge, automobile tyres, animal meal and municipal wastes, the preferred substitute fuels are industrial wastes with a high calorific value. These powdery, granulated, pelletized fibrous and flocculent secondary fuels derived from quality-controlled industrial wastes are generally known as fluff (gas-entrainable fine materials). Fluff is almost exclusively used as a source of energy for the...