Reaction is limited by mass transfer?
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The presence of mass transfer limitations can affect the reaction rate in various processes. In the study of catalyst reactivity, the literature lacks straightforward protocols for calculating mass transfer limitations during catalytic tests for gas-phase reactions . For the selective catalytic reduction (SCR) of NOx, both chemical reactions and internal and external mass transfer resistances can be important factors in the overall reaction rate . In biotransformations, mass transfer can be a limiting factor, especially in systems with large particles or immobilized cells or enzymes . In the production of single cell protein (SCP), mass transfer limitations can affect the bio-protein production, and the choice of mass transfer coefficient can impact the accuracy of the process model . Therefore, in these various processes, the reaction rate can be limited by mass transfer.
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| Papers (5) | Insight |
|---|---|
Open access•Dissertation 01 Jan 2017 1 Citations | The paper states that the single cell protein (SCP) production process is limited by mass transfer. |
01 Jan 2017 5 Citations | The paper discusses how mass transfer can be a limiting factor in biotransformations, particularly in systems with large particles and immobilized cells or enzymes. |
30 Jul 2022 | The paper provides a systematic protocol for calculating mass transfer limitations in gas-phase reactions in isothermal fixed bed reactors, but it does not explicitly state whether the reaction in the case study is limited by mass transfer. |
| The paper discusses a kinetic approach for modeling parallel mass transfer limited reactions in metallurgical systems. It does not specifically mention if a reaction is limited by mass transfer. | |
01 Jan 2018 6 Citations | The paper states that between 210 and 380°C, both chemical reaction and mass transfer resistances are important, indicating that the reaction is limited by mass transfer in this temperature range. |
Related Questions
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