5._Process_variables__M__V__C__and_conve

5_Process_variables - i 10 9 Molarity mix i i V n c = Unit Conversions m ↔ V& m& V& = m V = m& V& m& n& m& = n& MW x i

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
January 25. Process variables (M, V, C) and unit conversions Felder and Rousseau, Sections 3.1-3.3 Process variables Mass ( m V ) Density ρ = m / V Specific gravity SG = / ref Commonly used reference Æ water at 4 o C (H 2 O, l, 4 o C) = 1.000 g/cm 3 = 1000 kg/m 3 = 62.43 lb m /ft 3 Mole n = m / MW Mass flow rate m = mass / time Mole flow rate n = mole / time Volumetric flow rate V = volume / time Mass fraction = i i i m m x Mole fraction = i i i n n y percent by mass = x i × 100%; mole percent = y i 100% ppm i = y i 10 6 (or x i 10 6 ); ppb i = y i 10 9 (or x
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: i 10 9 ) Molarity mix i i V n c = Unit Conversions m ↔ V & m & V & = m / V = m & / V & m & n & m & = n & MW x i y i c i using and MW January 28: Process variables (P, T) and dimensional homogeneity Sections 3.4-3.5 and Section 2.6 process Input (feed) Output (product) P out , V out , T out , C out ( out out m V & & , ) P in , V in , T in , C in ( in in m V & & , ) P, V, T, dC/dt V m V m & & / / = =...
View Full Document

This note was uploaded on 04/01/2008 for the course CHE 210 taught by Professor Seongkim during the Spring '08 term at Pennsylvania State University, University Park.

Ask a homework question - tutors are online