Pyrolysis of coal hydroliquefaction residue in a dual loop reaction system

Pyrolysis of coal hydroliquefaction residue in a dual loop reaction system 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 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fuel Elsevier

Pyrolysis of coal hydroliquefaction residue in a dual loop reaction system

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0016-2361
D.O.I.
10.1016/j.fuel.2017.10.078
Publisher site
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Abstract

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

Journal

FuelElsevier

Published: Jan 15, 2018

References

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