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Ash Cenosphere from Solid Fuels Combustion. Part 1: An Investigation into Its Formation Mechanism Using Pyrite as a Model Fuel

This paper reports a systematic investigation into the fundamental formation mechanism of ash cenosphere during solid fuels combustion using pyrite as a model fuel. The combustion of pulverized pyrite particles (38-45 mu m) was carried out in a laboratory-scale drop-tube furnace at furnace temperatu... Full description

Journal Title: Energy & Fuels Jan 19, 2012, Vol.26(1), pp.130-137-130-137
Main Author: Li, Yi
Other Authors: Wu, Hongwei
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0887-0624 ; E-ISSN: 1520-5029 ; DOI: 10.1021/ef201173g
Link: http://search.proquest.com/docview/1701109979/?pq-origsite=primo
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title: Ash Cenosphere from Solid Fuels Combustion. Part 1: An Investigation into Its Formation Mechanism Using Pyrite as a Model Fuel
format: Article
creator:
  • Li, Yi
  • Wu, Hongwei
subjects:
  • Thin Walled Shells
  • Droplets
  • Formations
  • Fuels
  • Fragments
  • Pyrite
  • Cenospheres
  • Ashes
  • Combustion
ispartof: Energy & Fuels, Jan 19, 2012, Vol.26(1), pp.130-137-130-137
description: This paper reports a systematic investigation into the fundamental formation mechanism of ash cenosphere during solid fuels combustion using pyrite as a model fuel. The combustion of pulverized pyrite particles (38-45 mu m) was carried out in a laboratory-scale drop-tube furnace at furnace temperatures of 530-1100 degree C. The formation of ash cenosphere commences at 580 degree C. At temperatures greater than or equal to 600 degree C, the ash products of pyrite combustion consist of dominantly large ash cenospheres (up to 130 mu m in diameter) with thin shells (1-3 mu m) and ash cenosphere fragments of various sizes. An increase in the temperature results in enhanced ash cenosphere fragmentation. The formation of molten Fe-S-O droplets during pyrite combustion is essential to ash cenosphere formation. The Fe-S-O melts inflate and expand into cenospheric forms (that may also burst into smaller fragments) via sulfur oxide gas generation inside the molten droplets as...
language: eng
source:
identifier: ISSN: 0887-0624 ; E-ISSN: 1520-5029 ; DOI: 10.1021/ef201173g
fulltext: fulltext
issn:
  • 08870624
  • 0887-0624
  • 15205029
  • 1520-5029
url: Link


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titleAsh Cenosphere from Solid Fuels Combustion. Part 1: An Investigation into Its Formation Mechanism Using Pyrite as a Model Fuel
creatorLi, Yi ; Wu, Hongwei
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ispartofEnergy & Fuels, Jan 19, 2012, Vol.26(1), pp.130-137-130-137
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subjectThin Walled Shells ; Droplets ; Formations ; Fuels ; Fragments ; Pyrite ; Cenospheres ; Ashes ; Combustion
descriptionThis paper reports a systematic investigation into the fundamental formation mechanism of ash cenosphere during solid fuels combustion using pyrite as a model fuel. The combustion of pulverized pyrite particles (38-45 mu m) was carried out in a laboratory-scale drop-tube furnace at furnace temperatures of 530-1100 degree C. The formation of ash cenosphere commences at 580 degree C. At temperatures greater than or equal to 600 degree C, the ash products of pyrite combustion consist of dominantly large ash cenospheres (up to 130 mu m in diameter) with thin shells (1-3 mu m) and ash cenosphere fragments of various sizes. An increase in the temperature results in enhanced ash cenosphere fragmentation. The formation of molten Fe-S-O droplets during pyrite combustion is essential to ash cenosphere formation. The Fe-S-O melts inflate and expand into cenospheric forms (that may also burst into smaller fragments) via sulfur oxide gas generation inside the molten droplets as...
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titleAsh Cenosphere from Solid Fuels Combustion. Part 1: An Investigation into Its Formation Mechanism Using Pyrite as a Model Fuel
descriptionThis paper reports a systematic investigation into the fundamental formation mechanism of ash cenosphere during solid fuels combustion using pyrite as a model fuel. The combustion of pulverized pyrite particles (38-45 mu m) was carried out in a laboratory-scale drop-tube furnace at furnace temperatures of 530-1100 degree C. The formation of ash cenosphere commences at 580 degree C. At temperatures greater than or equal to 600 degree C, the ash products of pyrite combustion consist of dominantly large ash cenospheres (up to 130 mu m in diameter) with thin shells (1-3 mu m) and ash cenosphere fragments of various sizes. An increase in the temperature results in enhanced ash cenosphere fragmentation. The formation of molten Fe-S-O droplets during pyrite combustion is essential to ash cenosphere formation. The Fe-S-O melts inflate and expand into cenospheric forms (that may also burst into smaller fragments) via sulfur oxide gas generation inside the molten droplets as...
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titleAsh Cenosphere from Solid Fuels Combustion. Part 1: An Investigation into Its Formation Mechanism Using Pyrite as a Model Fuel
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abstractThis paper reports a systematic investigation into the fundamental formation mechanism of ash cenosphere during solid fuels combustion using pyrite as a model fuel. The combustion of pulverized pyrite particles (38-45 mu m) was carried out in a laboratory-scale drop-tube furnace at furnace temperatures of 530-1100 degree C. The formation of ash cenosphere commences at 580 degree C. At temperatures greater than or equal to 600 degree C, the ash products of pyrite combustion consist of dominantly large ash cenospheres (up to 130 mu m in diameter) with thin shells (1-3 mu m) and ash cenosphere fragments of various sizes. An increase in the temperature results in enhanced ash cenosphere fragmentation. The formation of molten Fe-S-O droplets during pyrite combustion is essential to ash cenosphere formation. The Fe-S-O melts inflate and expand into cenospheric forms (that may also burst into smaller fragments) via sulfur oxide gas generation inside the molten droplets as...
doi10.1021/ef201173g
urlhttp://search.proquest.com/docview/1701109979/
date2012-01-19