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In this study, a range of flue gas desulphurisation (FGD) residues from industrial and utility fossil fuel combustion units and FGD pilot plants, in both the USA and Europe, were examined to assess the environmental effects of their handling and disposal, and to investigate their utilisation potential. The FGD samples included gypsum (high purity, fine rod-like crystals), spray dry residues (containing finely aggregated crystals of calcium sulphite and up to 20% coal ash carryover) and furnace injection residues (relatively coarse material, including sintered coal ash, with varying concentrations of sorbent, anhydrite and lime). The study considers aspects of residue characterisation, handling, disposal (including leaching behaviour, reclamation and the treatment of aqueous effluents), and utilisation possibilities for the various types of residue.

Additional information

Authors: BRITISH COAL CORPORATION, Coal Research Establishment, Cheltenham (GB)
Bibliographic Reference: EUR 14071 EN (1992) 95 pp., MF, ECU 4, blow-up copy ECU 15
Availability: (2)
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