Fuel 212 (2018) 448–454 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Chao Wang, Shaoping Xu , Guangyong Wang, Yahui Xiao State Key Laboratory of Fine Chemicals, Institute of Coal Chemical Engineering, School of Chemical Engineering, Dalian University of Technology, No. 2 Linggong Road, Dalian 116024, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: To utilize the coal hydroliquefaction residue (CHR), a dual loop reaction system (DLRS) has been developed and Coal hydroliquefaction residue upon which the pyrolysis of CHR was conducted under atmospheric pressure. The DLRS combines three reactors, Pyrolysis i.e. a ﬂuidized bed pyrolyzer, a radial-ﬂow moving bed ﬁlter and a riser combustor followed by a particles Fluidized bed grading cyclone. These three reactors form two parallel circulating loops, i.e. pyrolysis loop and ﬁltration loop Caking with small and big quartz sand particles as circulating bed materials, respectively. CHR mixed with quartz sand was injected into the ﬂuidized bed pyrolyzer rapidly by a gas driven feeder, which makes it possible to dispose the CHR continuously. Under optimized blending ratio of CHR/quartz sand (1:4) and pyrolysis temperature from 500 °C to 550 °C, a dust-free pyrolysis tar with the yield of 20
Fuel – Elsevier
Published: Jan 15, 2018
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