首页
›
答案
›
题库
›
才高八斗
某月装置处理污水450000mз，若投加聚合铝按本装置规定标准15mg/L投加，本月最少应投加多少？
某月装置处理污水450000mз，若投加聚合铝按本装置规定标准15mg/L投加，本月最少应投加多少？
正确答案：解：C1=15mg/L，Q=450000mз=450000000L则投药量Q=Q*C=450000000*15=6750000000（mg）=6.75（t）正确答案：本月最少应投加6.75t聚合铝。
标签：
装置
污水
标准
上一条：
China has borrowed almost US $2 billion from the World Bank and its affiliates，but a substantial proportion of these loans are still to be disbursed.
下一条：
In 1991 ， for the second year in a row， the economies of low-income and middle-income countries virtually stagnated.