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SO.sub.2 Capture-coal combustion

  • US 4,322,218 A
  • Filed: 05/30/1980
  • Issued: 03/30/1982
  • Est. Priority Date: 05/30/1980
  • Status: Expired due to Term
First Claim
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1. In a process for the combustion of coal wherein a particulate coal is combusted with an oxygen-containing gas in the presence of a particulate calcium-containing material, the improvement comprising increasing the capture efficiency of the calcium-containing material by carrying out the combustion in the presence of an effective amount of a tin-containing material.

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