Patent ID: 8308947
Filing Date: 2012-11-13
Classification: C02F,Y02W

Abstract:
1. A method for providing an aerobic medium in a bioreactor compartment comprising: a) measuring the NH b) selecting reference values for the NH c) selecting a reference time period; d) comparing the reference values for the NH e) comparing the reference value for the dissolved oxygen concentration and the airflow into the compartment to the measured dissolved oxygen concentration and airflow into the compartment if the measured NH f) determining the airflow set point value for the compartment, if the reference values for the dissolved oxygen concentration and the airflow into the compartment and the measured dissolved oxygen concentration and airflow into the compartment are equal, according to the formula: when the reference value for the dissolved oxygen concentration in the compartment is unchanged during the reference time period; and g) adjusting the airflow into the compartment to be equal to the airflow set point value; whereby an aerobic medium is provided in the bioreactor compartment.