#49 Overall Mass Transfer Coefficient | Environmental Quality Monitoring & Analysis

Welcome to 'Environmental Quality Monitoring & Analysis' course ! This lecture continues the discussion on the overall mass transfer coefficient, emphasizing its significance in calculating interphase mass transfer rates. The lecture reiterates the importance of considering equilibrium conditions and the use of Henry's constant in relating concentrations at the interface. It derives the expression for the overall mass transfer coefficient in terms of individual mass transfer coefficients and Henry's constant. The lecture emphasizes that the overall mass transfer coefficient simplifies flux calculations by eliminating the need to explicitly consider interface concentrations. It also highlights that the driving force for mass transfer can be expressed in terms of either bulk phase or equilibrium concentrations, depending on the choice of the overall mass transfer coefficient. NPTEL Courses permit certifications that can be used for Course Credits in Indian Universities as per the UGC and AICTE notifications. To understand various certification options for this course, please visit https://nptel.ac.in/courses/103106162 #OverallMassTransferCoefficient #InterphaseMassTransfer #HenrysConstant #DrivingForce #BulkPhaseConcentrations