Math Problem Statement
利用膜分离系统连续稳态浓缩一种液体食品,进料流量为F0 kg/min,溶质总固形物含量(TS)从x0为10%提高至x1为30%(均为溶质的质量百分数,后同此)。整个过程完成液的流量为F1=100 kg/min。整个浓缩过程一共分为两个阶段,第一阶段的浓缩排放出一部分低固形物含量的液体。第二阶段是从低固形物含量的液体中分离出最终所需的浓缩产品,剩下的液体返回至第一阶段进行再循环浓缩。循环液的浓度xR为2%、废弃液的浓度xW为0.5%、膜1和膜2两段中间流浓度xB为25%。请通过将内部循环包含在内部的外部大方框全控制体的总物料衡算和溶质的物料衡算,回答废液的流量Fw
Solution
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Math Problem Analysis
Mathematical Concepts
Material balance
Concentration calculations
Process engineering
Formulas
Material balance equation
Theorems
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Suitable Grade Level
Advanced College
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