613 c e raymond coal mill e plosion - cateringzinnia.online
14 08 2020 This study investigates the effect of reduction temperature 850-950 C in steps of 50 C reduction time 60 to 180 min in step of 60 min mill scale size 800-300 μm and mill scale to coal ratio 1 1 1 2 and 1 3 on achievable metallic iron percentage and its metallization
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