Studies in char gasification-V. Ash recirculation model

S. Sundaresan, Neal R. Amundson

Research output: Contribution to journalArticlepeer-review


The fundamental idea behind processes that eliminate the need for an oxygen plant is to couple a gasifier and a combustor by means of circulating solids. In this paper, the simplest possible reactor unit that retains this fundamental idea is analysed. Two nonslagging fluidized beds of char, a gasifier and a combustor, are connected by standpipes to introduce circulation. Analysis shows that this may be a viable process, at least theoretically. More theoretical work as well as experimental studies need to be done before a conclusion can be drawn.

Original languageEnglish (US)
Pages (from-to)469-474
Number of pages6
JournalChemical Engineering Science
Issue number4
StatePublished - 1979
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering


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