Recovery of waste energy in the production of expanded shale aggregate: M34-20/184E-PDF

“In view of increasing fuel costs and the need for energy conservation, a typical process for expanding shales to light-weight aggregate was studied. It was decided that, for such a granular material, counterflow, moving-bed heat exchangers should be considered for recovery of heat from the exhaust gases and from the product. The depths of the beds were calculated after the method of Munro and Amundson. An overall heat balance of the process indicates that 36 per cent of the heat presently used can be saved"--Summary, p. i.

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Department/Agency Natural Resources Canada. Mines Branch.
Title Recovery of waste energy in the production of expanded shale aggregate
Series Title Technical bulletin ;
Publication Type Series - View Master Record
Language [English]
Format Electronic
Electronic Document

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Note Cover title. "January 1974." Digitized edition from print [produced by Natural Resources Canada].
Date 1974.
Number of Pages iii, 12 p. :
Catalogue Number
  • M34-20/184E-PDF
Departmental Catalogue Number 300063
Subject Terms Minerals, Processing, Energy conservation