Chemical Engineering :: Mass Transfer
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The McCabe Δ L law states that the
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Bollman extractor
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The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same.
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A coalescer in a mixer-settler liquid-liquid extraction coloumn
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For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will
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Pick out the correct statement.
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When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of
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The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called
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In the constant rate period of the rate of drying curve for batch drying,
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It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).
A.
Ponchan-Savarit method is more accurate than McCabe-Thiele method to determine the number of theoretical stages required for the separation of non-ideal binary system by distillation.
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B.
A sharp decrease in pressure drop is an indication of flooding in a distillation coloumn.
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C.
Solvent used in extractive distillation should be of high volatility.
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D.
Flash distillation is suitable for separating components which have very close boiling temperature.
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