B O D I n l e t r a t e = 0.0675 k g d a y × 1000 2 ÷ 24 h r s d a y ÷ 60 m i n h r s = 46.9 m g m i n {\displaystyle BOD\ Inlet\ rate=0.0675\ {\frac {kg}{day}}\times 1000^{2}\div 24\ {\frac {hrs}{day}}\div 60\ {\frac {min}{hrs}}=46.9\ {\frac {mg}{min}}}