One of the by-products of oil production in the Athabasca oil sands, Canada, and indeed in most petroleum refining operations, is coke. At the Great Canadian Oil Sands plant there is a net production of about 500 Mg day−1 over and above that which is burned for fuel. This residual coke is currently stockpiled and could constitute an environmental hazard, depending on the susceptibility of elements in the coke to “natural” leaching. In order to assess this potential problem a number of cokes were leached with water and the toxicity of the leachates were examined (Zajic et al., 1978).
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- Factors in Metal Leachate Toxicity
J. E. Zajic
E. A. Sullivan
T. R. Jack
C. R. MacDonald
- Springer Berlin Heidelberg