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贵州铝厂八万吨引进工程的中间下料预焙槽和干法烟气净化,要求使用砂状氧化铝,其主要物理性能为:(1)比表面积>35(米~2/克);(2)α-Al_2O_3含量约20％;(3)325目(-44μ)以下的粒子<12％。
The 80 kilowatt Guizhou project introduction of intermediate prebake prebake trough and dry flue gas purification, requiring the use of sand-like alumina, the main physical properties are: (1) the specific surface area> 35 (m ~ 2 / g); (2) α-Al_2O_3 content of about 20%; (3) 325 mesh (-44μ) less than 12% of the particles.