In this paper, an experimental and theoretical study was carried out to evaluate the performance of gasâliquid membrane contactor in benzene/nitrogen separation process by using an aqueous N-Formylmorpholine (NFM) solution as absorbent.
As long as a school has been authorized to implement the programme, the PYP is open to any student aged 3 to 12. Learn more about students in the PYP. Resources for PYP schools.
Any person operating a jet ski must have a personal watercraft (PWC) license. To receive a PWC license, a person must be at least 13 years of age and participate in and pass aâ¦ boater education course in designated locations by state. The minimum age to drive a PWC has been 14; however, in 2011 that age will be raised to 16 due to increasing accidents by younger riders.