Pyrolysis gasification of dried sewage sludge in a combined screw and rotary kiln gasifier
作者： Young Nam Chun , Seong Cheon Kim , Kunio Yoshikawa
DOI: 10.1016/J.APENERGY.2010.10.038
关键词:
摘要: Abstract A pyrolysis gasifier, with carbonization and activation steps, was developed to convert dried sludge into activated char gas fuel energy. To determine the optimal driving conditions, parametric investigations were conducted on amount of steam input, gasifier temperature moisture content in sludge. The conditions for found be a input 10 mL/min, 820 °C 11% holding time 1 h. specific area 40.1 m 2 /g, an average pore diameter volume 63.49 A 0.2354 cm 3 respectively. gases H (34.1%), CO (18.6%), CH 4 (8.5%) (8%). higher heating value 10,107 kJ/N m . tar adsorption characteristics, benzene test using fixed bed tower ( / D = 2, GHSV = 1175/h). saturation point after 45 min, 140 mg/g. Therefore, gasification sewage can produce which used reduce tar, utilized as high enthalpy fuel.
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