A design model of sewage sludge incineration plants has been developed to examine the possibilities for energy recovery. It was evident that, without sludge drying, there was a high fuel (methane) consumptions (149-192 Nm3/t sludge cake at 25% concentrations), but considerable amount of electric energy is obtainable (391-515 kWh/t sludge cake). Sizes of boiler and whole exhaust gases treatment line are in this case quite large. On the contrary, fuel consumption can be lowered down to 20 Nm3/t sludge cake at 44% concentration by introducing sludge drying. In this case fuel is needed only in the afterburning chamber, as the combustion in the fluidized bed furnace is autothermal. Boiler and exhaust gas treatment line are considerably reduced in size when power production is not performed, thus allowing a simpler and smaller plant to be designed.
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Research Article|
December 01 1997
A design model of sewage sludge incineration plants with energy recovery Available to Purchase
G. Mininni;
G. Mininni
*C.N.R. - Istituto di Ricerca Sulle Acque, Via Reno 1, 00198 Roma, Italy
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R. Di Bartolo Zuccarello;
R. Di Bartolo Zuccarello
*C.N.R. - Istituto di Ricerca Sulle Acque, Via Reno 1, 00198 Roma, Italy
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V. Lotito;
V. Lotito
**C.N.R. - Istituto di Ricerca Sulle Acque, Via F. De Blasio 5, 70123 Bari, Italy
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L. Spinosa;
L. Spinosa
**C.N.R. - Istituto di Ricerca Sulle Acque, Via F. De Blasio 5, 70123 Bari, Italy
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A. C. Di Pinto
A. C. Di Pinto
*C.N.R. - Istituto di Ricerca Sulle Acque, Via Reno 1, 00198 Roma, Italy
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Water Sci Technol (1997) 36 (11): 211–218.
Citation
G. Mininni, R. Di Bartolo Zuccarello, V. Lotito, L. Spinosa, A. C. Di Pinto; A design model of sewage sludge incineration plants with energy recovery. Water Sci Technol 1 December 1997; 36 (11): 211–218. doi: https://doi.org/10.2166/wst.1997.0413
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