Abstract
During a one-week test burn, hazardous waste was used as supplemental fuel and co-fired with petroleum coke in a lime kiln in eastern Wisconsin. Detailed sampling and analysis was conducted on the stack gas for principal organic hazardous constituents (POHCs), particulates, particulate metals, HCl, SO 2, NO x, CO, and THC and on process streams for metals and chlorine. POHCs were also analyzed in the waste fuel. Sampling was conducted during three baseline and five waste fuel test burn days. Results show average destruction and removal efficiences (DREs) greater than 99.99% for each POHC and little change in pollutant emissions from baseline to waste fuel test conditons. In addtion, material balance results show that 95% of chlorine enters the process from the limestone fed and the chlorine exits the kiln in the baghouse dust and lime product at 61% and 38%, respectively.
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