有一通风系统在t = 20℃、P =1atm下运行,排出空气中H2S占5.4%(体积),排风量为0.5m3/s.在吸收塔内用水吸收H2S,实际的供液量为最小供液量的1.3倍,气相总吸收系数Kg = 0.0021kmol/(m2?s).要求吸收塔出口处气相中H2S浓度不超过1000ppm.试计算实际的供液量为( )kg/h.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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