Acid - leaching reactor is the key instrument for preparing poly aluminium chloride ( PAC ) from kaoline.
酸浸反应器是高岭土制备聚合 氯化铝 (PAC ) 的重要设备.
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The original burnt whiteness of Beihai kaoline is 76 % ~81 %, the whiteness subject investigated is 80.
兖矿北海高岭土目前生产的产品原始烧成白度为76%~81%.
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