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[主观题]
某逆流再生阳离子交换器,直径为2000mm,树脂层高为2500mm,采用盐酸作再生剂。若每次再生用纯度为30
%的盐酸1.2t,进交换器的再生液浓度为4%(密度≈1),再生液流速控制在3m/h,进再生液的时间约需()。
A.30min
B.45min
C.57min
D.65min
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.30min
B.45min
C.57min
D.65min
A.0.5
B.0.8
C.1.0
D.1.2
A.0-0.03;
B.0.03-0.05;
C.0.06-0.08;
D.大于0.08