and the zinc, lead and carbon contents of blast furnace sludge are much larger than that of converter sludge, moreover most zinc oxide and lead oxide are attached on the particles of coke powder and silicates.

• 高炉尘泥的锌、铅、碳含量较高，其中的大多数锌、铅氧化物均匀附着在硅酸盐和焦碳末粒子上。