Abstract
A pilot scale test facility of a circulating fluidized bed incinerator was established to generate design and operation data and help assess the technical feasibility for industrial applications. The use of high turbulence in the combustion zone and feeding an acid-capturer directly into the incinerator to absorb acid gases eliminates the costly afterburner and scrubber. This paper presents some systematic incineration tests of uniform industrial wastes such as paper mill sludge cake, rubber waste and petroleum coke. Sludge cakes with high moisture and low heating values can be treated to a low emission level by co-firing with coal. The high superficial gas velocity has improved combustion efficiency but increases NO x emissions. However, sulphur content has almost no influence on sulphur retention. The problems of CO/NO x emissions and circulation stability are also discussed.
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