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拟用转鼓真空过滤机过滤某悬浮液,悬浮液处理量为20m3/h。已测得K=8×10-4m2/s,qe=0.01m3/m3,每获得1m3滤液可生成0.04m3的滤饼。转鼓的浸没度为0.35,要求转鼓表面的滤饼厚度不低于5mm。求: 在逆流连续浸出设备中,将含油20%(质量)的油籽进行浸出,实际共有8个浸出器,浸出的级效率为75%。已知原料量与新鲜溶剂之比为1:0.56;在底流中每1kg不溶固体持液0.5kg。求: (1)溢出液的量与原料量之比; (2)溢出液的浓度; (3)油的回收率。
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