B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
196/72
B03B 9/02 (2006.01) C10B 55/00 (2006.01) C10G 1/02 (2006.01)
Patent
CA 2109176
Oil sand is treated to prevent the production of sulfur dioxide ("SO2") from a known rotating kiln-type processor. Lime or calcium oxide ("CaO") is added with the oil sand feed to the kiln. In the kiln, the CaO is mixed with the sulfur-containing bitumen of the oil sand and preheated. The preheated mixture is then pyrolysed, forming coke which is modified by the added CaO to reduce its tendency to produce SO2 when combusted. The modified coke is then combusted with air, producing substantially no SO2.
Sables bitumineux traités pour empêcher la production de bioxyde de soufre (''SO2'') d'une installation de traitement de type four rotatif connu. De la chaux ou de l'oxyde de calcium ( 'CaO'') est ajouté au sable bitumineux servant de charge d'alimentation au four. Dans ce dernier, le CaO est mélangé au bitume à teneur en soufre qui est compris dans le sable et il est ensuite préchauffé. Ce mélange préchauffé est alors soumis à la pyrolyse et forme du coke qui est modifié par l'addition de CaO, afin de réduire sa tendance à produire du SO2 au moment de sa combustion. Le coke modifié est alors brûlé avec de l'air et ne produit essentiellement pas de SO2.
Begley Adrian
Koszarycz Roman
Taciuk William
Goodwin Mckay
Umatac Industrial Processes Inc.
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