作者sally1137 (sally)
看板NUU_CHE
标题两题问题!!
时间Sun Aug 17 19:00:03 2008
Pure water is to be used to extract acetic acid from 400kg of a feed solution
containing 25 wt% acetic acid in isopropl ether.Use equilibrium data from
Appendix A.3.
a. If 400kg of water is used,calculate the percent recovery in the water
solution in a one-stage process.
b.If a multiple three-stage system is used and133.3kg fresh water is used in
each stage,calculate yhe overall percent recovery of the acid in
the total outlet water
Water layer (wt%) isopropyl ether(wt%)
acetic acid water isopropyl ether acetic acid water isopropyl ether
0 98.8 1.2 0 0.6 99.4
0.69 98.1 1.2 0.18 0.5 99.3
1.41 97.1 1.5 0.37 0.7 98.9
2.89 95.5 1.6 0.79 0.8 98.4
6.42 91.7 1.9 1.93 1 97.1
13.3 84.4 2.3 4.82 1.9 93.3
25.5 71.1 3.4 11.4 3.9 84.7
36.7 58.9 4.4 21.6 6.9 71.5
44.3 45.1 10.6 31.1 10.8 58.1
46.4 37.1 16.5 36.2 15.1 48.7
ps麻烦帮忙解答!感恩!
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1F：推 godmartink:没人敢说话.. 08/18 23:14
2F：→ godmartink:isopropyl ether 08/18 23:15
3F：推 seaanemone:楼上终於说话了 08/18 23:26
4F：推 mlsh213:我还在想我要去翻那一本书...@@" 08/18 23:31
5F：推 fishcome:要翻单操..@.@ 08/19 19:30
6F：推 mlsh213:Really???? 08/19 22:03
7F：推 mlsh213:完了...我单操作的题目不够多...Orz 08/19 22:03
8F：推 mlsh213:单二根本是低空飞过的=.= 08/19 22:04
9F：推 godmartink:应该是值均题目吧..应该 08/19 23:00
10F：推 seaanemone:那要问熊喔?! 08/19 23:01
11F：→ ckkencheng:?????????????????????????(用问号代表我的无知... 08/20 11:16
12F：推 irving16:各位学长姐好~我是新生~!!不要问我~我不会..... 08/22 04:31
13F：推 mlsh213:楼上的你好~填个板友吧^^ 08/22 05:01
14F：推 irving16:....我填过了!! 08/23 01:16
15F：推 mlsh213:阿...我忘了XDDD 08/23 05:08
16F：推 shiunXD44:什麽!!!我看不懂 对不起我来错版了 08/25 20:20
17F：推 mlsh213:楼上的...你是还没学到吧= = 08/25 22:45
18F：推 mlsh213:结果聊起来了...没有人解答...Orz 08/26 09:13