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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Forced airflow mass transfer coefficients KO2 and KCO2 as observed with different combinations of tube length and diameter with and without a mini air blower being ON (max. flow rate, 2.67 L min−1. Note: The error bars indicate the standard deviation of K values between the replicates.