Determining Reaction Rate and Order of Reaction An example of Using the Excel Solver function by: Vanadium Sigma.

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Presentation transcript:

Determining Reaction Rate and Order of Reaction An example of Using the Excel Solver function by: Vanadium Sigma

Determining Reaction Rate Common chemical engineering task Work performed in a batch reactor Samples drawn off at set time points Samples analyzed for concentration data General form: ra = kCa (alpha)

Example: Background You are an engineer making product P from a reaction: A P You know the reaction is not first order Your intern has collected data from a batch reaction Time (s)Ca (mM)

Example: Setup

Example: Solver

Example: Solution

Summary Determining reaction rate is important to model chemical reactions Excel solver can be used to accurately model the reaction rate for a simple reaction engineering problem The sum of squared residuals between experimental and model data was minimized