Title: Performance of rotating packed beds in increasing dissolved oxygen in water
Abstract: This study investigated the feasibility of applying rotating packed bed(RPB)to dissolving oxygen in water.Oxygen dissolving experiments were conducted to examine the dissolved oxygen concentration at various operating variables,including RPB speed,liquid flow rate,gas flow rate.The RPB had an inner radius of 27.5 mm,outer radius of 57 mm and an axial height of 24 mm.Experimental results indicated that increasing RPB speed and gas flow rate enhanced dissolved oxygen concentration.However,dissolved oxygen concentration appeared to increase with increasing liquid flow rate initially,and then gently decreased.Compared with conventional oxygen pump,a rotating packed bed could be used to increase dissolved oxygen concentration in water effectively,thanks to its high mass transfer characteristics.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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