Answer to Question #247824 in Chemical Engineering for Lee

Question #247824

Brackish water is desalinated by evaporation for irrigation purposes. If the feed water has 800.96 ppm of salt, and if the product has to contain 0.0034 % salts as illustrated in Fig 1, what fraction of the feed water should bypass the evaporator?


1
Expert's answer
2021-10-07T03:14:41-0400



feed water = 800.96 ppm

product water = 0.0034% = 34 ppm


"800.96 \u00d7( 1-x)= 34 \u00d7 x\\\\\n800.96- 800.96x = 34x\\\\\n800.96 = 834.96x\\\\\nx = 800.96\/834.96 = 0.959"


part needed to bypass = "1-0.959" =

"0.041"

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