Co-combustion of tannery sludge in a commercial circulating fluidized bed boiler

•Co-combustion experiment of tannery sludge and bituminous was conducted in a 220t/h commercial fluidized bed boiler.•Pollutants emissions do not have a lot of changes when tannery sludge co-combusted in fraction of 50% by weight.•Addition of TS shifts the partitioning of Cr, Ni from bottom ash to f...

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