Fuel 212 (2018) 88–94 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Sewage sludge gasiﬁcation in a bench scale rotary kiln Cesare Freda , Giacinto Cornacchia, Assunta Romanelli, Vito Valerio, Massimiliano Grieco ENEA, Laboratory of Thermochemical Processes for Wastes and Biomass Valorization, SS Jonica 106 km 419+500, 75026 Rotondella, MT, Italy GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The goal of this work is to investigate the potentiality of energetic recovery by sewage sludge gasiﬁcation. Rotary kiln Experimental gasiﬁcation tests were carried out in a bench scale rotary kiln under simulated autothermal Sewage sludge condition. The mass rate of sludge was in the range 170–260 g/h. The gasiﬁcation temperature was varied from Tar 750 to 850 °C, equivalence ratio was increased up to 0.24. The tests run for about 3 h. Input and output streams Equivalence ratio of the process were quantiﬁed and analyzed as to assess the cold gas eﬃciency. Tar content in the raw gas was Raw gas determined as well. The main drawbacks occurred during the tests were highlighted to have a realistic frame of Cold gas eﬃciency the experimented technology. 1. Introduction utilization and composting has a slight increase.
Fuel – Elsevier
Published: Jan 15, 2018
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