空气混合气中含氨体积分数为2%,拟用逆流吸收以回收其中95%的氨。塔顶淋入摩尔分数为0.0004的稀氨水溶液,设计采用的液气比为最小液气比的1.5倍,操作范围内物系服从亨利定律y=1.2x,试求:(1)液体在塔底的摩尔分数x1。(2)全塔的平均推动力△ym

答:(1)<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1510881809859f68afdc1f65240c68c9c0f35d4f85f15image22.png"><br><img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1510881809939828906e83af74883979c0bb2848c7c2fimage23.png"><br><img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15108818100272e2eae8c64934c8db74f5e1574cbe90eimage24.png"> ……5分<br><img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15108818101017f28c3d5407946d1b14044d8d4a43748image25.png"> ……5分<br>(2)<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1510881810278302248dbeff440ebafbdc66116e6caf8image26.png"><br><img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1510881810374e19d3360fbb5480589694ffe7f8297acimage27.png"><img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/151088181047535aa2e6781a74cb7a1c7ad25a89a5244image28.png"> ……5分
答:(1) ……5分 ……5分(2) ……5分