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226], 'disposal.': [36], 'To': [37], 'avoid': [38, 204], 'high': [39, 159], 'energy': [40], 'consumption': [41], 'as': [42], 'in': [43, 56, 134, 168, 207, 228], 'the': [44, 48, 57, 109, 112, 123, 132, 148, 154, 165, 169, 175, 197, 212, 220, 229], 'roasting': [45], 'steps': [46, 59, 146], 'current': [49], 'process,': [51], 'hydrometallurgy': [52], 'various': [58, 145, 166], 'an': [61], 'original': [62], 'process': [63, 75, 149], 'aimed': [64], 'at': [65], 'zinc-iron': [68], 'alloys': [69], 'industrial': [71, 103], 'waste.': [73], 'The': [74, 144], 'designed': [76], 'consists': [77], 'three': [79], 'main': [80], 'steps:': [81], '(i)': [82], 'leaching': [84], 'sulfuric': [86], 'acid': [87], 'solutions': [88], 'yielding': [89], 'Fe(III)': [90, 97], 'Zn(II)': [92], 'species;': [93], '(ii)': [94], 'reduction': [95], 'Fe(II)': [99], 'upon': [100], 'addition': [101], 'blende;': [104], '(iii)': [106], 'electrodeposition': [107, 186], 'alloy': [110, 224], 'recovered': [113, 173], 'acidic': [114, 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