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The Regeneration of Alkalized Alumina.

Public Domain


Details

  • Personal Author:
  • Description:
    Alkalized alumina can be used for the removal of sulfur dioxide from stack gases. Before the pellets are recycled to the sorption section, they must be regenerated with a reducing gas. Several practical alternatives for regeneration are possible, resulting in single- and multiple-stage mechanisms. Besides the reduction itself, consideration is given to side reactions that can have a deleterious effect on the ability of the sorbent to be reused, its ease of regeneration, and its physical properties. Data were obtained from a bench-scale system designed to study the mechanism and kinetics of the reactions. Regeneration can be accomplished at 600 deg to 700 deg c with hydrogen, carbon monoxide, and their mixtures. When carbon monoxide is used, some of the sulfate is reduced to the sulfide and a second-stage reaction with carbon dioxide is needed to complete regeneration to the reactive oxide. Data from this and other research are being used for the design of a prototype sulfur dioxide-removal plant. [Description provided by NIOSH]
  • Subjects:
  • Series:
    Mining Publications
  • Document Type:
    Text
  • Genre:
    Journal Article
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Division:
    PERC - Pittsburgh Energy Research Center
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Pages in Document:
    46-51
  • Volume:
    67
  • Issue:
    115
  • NIOSHTIC Number:
    nn:10010259
  • Citation:
    Chem Eng Symp Ser 67(115):46-51
  • Federal Fiscal Year:
    1971
  • Peer Reviewed:
    False
  • Source Full Name:
    Chem. Eng. Symp. Ser., V. 67, No. 115, PP. 46-51
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:7dc847c09aedf140bc731323e8446b4703641ae07d6ad9e7b7238120dab30b8f7dcaa9b938d34d035f87873a0fe7fec262d5d13dcaf290925445e82b6de3b57d
  • Download URL:
  • File Type:
    Filetype[PDF - 168.02 KB ]
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