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The thermal behaviour of chrome shavings and of sludges recovered after digestion of tanned wastes with Ca(OH) 2 was studied. Ashes obtained after incineration of wastes at various temperatures were analysed by X-ray diffraction and EDX method. The main crystallized phases present in the ash obtained at 600°C are Cr 2 O 3 and NaCl. The diffractograms revealed an increase in...
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