期刊
THERMOCHIMICA ACTA
卷 528, 期 -, 页码 72-75出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.tca.2011.11.010
关键词
UASB sludge; Calorific power; Thermal analyses; Pyrolysis; Organic material
资金
- CNPq [620181/2006-0]
- FAPEMIG
- CAPES [BEX 5190-09-6]
The operation of anaerobic reactors in Brazil creates a by-product, sewage sludge, for which adequate treatment is necessary to obtain a solid and stable material. The burning of sewage sludge may be an effective alternative for its management, and looking to enhance its energy potential, an environmentally friendly method of disposal is necessary. As the quantity of sludge generated has increased over the past few years, the physical chemical characterization of this waste is the first stage for its utilization as raw material. The material was characterized by thermal analyses (Thermogravimetry (TG)/Differential Thermal Analysis (DTA) and Differential Scanning Calorimetry (DSC)) and Infrared Analysis (FTIR) in order to determine the main organic groups present in sludge. The calorific power of the anaerobically digested sludge of Uberlandia-MG, Brazil was measured, and an energy content equal to 16.2 MJ kg(-1) was found, which is within the range of values reported in the literature. (C) 2011 Elsevier B.V. All rights reserved.
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