Initial Reactant Concentration Formula:
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Definition: This calculator determines the initial concentration of reactant in a first-order chemical reaction based on space time, molar feed rate, and reactor volume.
Purpose: It helps chemical engineers and researchers determine the starting concentration of reactants in continuous flow reactors.
The calculator uses the formula:
Where:
Explanation: The space time multiplied by molar feed rate gives the total moles in the system, which when divided by volume gives concentration.
Details: Accurate initial concentration is crucial for reaction kinetics studies, reactor design, and predicting reaction outcomes.
Tips: Enter the space time in seconds, molar feed rate in mol/s, and reactor volume in m³. All values must be > 0.
Q1: What is space time in chemical reactors?
A: Space time is the time required to process one reactor volume of feed at specified conditions.
Q2: How is molar feed rate determined?
A: Molar feed rate is calculated from the volumetric flow rate and concentration of the feed stream.
Q3: Does this work for batch reactors?
A: No, this formula is specifically for continuous flow reactors. Batch reactors have different calculations.
Q4: What affects initial reactant concentration?
A: Feed composition, flow rate, reactor volume, and reaction conditions all influence initial concentration.
Q5: How does this relate to reaction kinetics?
A: Initial concentration is crucial for determining reaction rates in first-order kinetics where rate = k[Co].