Mathematics, 14.11.2019 03:31, rachelsweeney10
Afilter has been designed to have a run length of 48 hr while operating at a filtration rate of 12 m/h. the design backwash rate is 40 m/h, backwash duration is 15 min, and filter-to-waste duration is 10 min. the plant operators decided to clean the filters more thoroughly and they backwash at a rate of 55 m/h for 25 min. as a result, ripening takes longer and the filter-to-waste duration is 50 min. calculate the ufrv, ubwv, ufwv, and recovery (a) as designed and (b) as operated. what is the percent increase in the volume of treated water lost as waste backwash water and filter-to-waste water?
Answers: 2
Mathematics, 21.06.2019 17:30, aprilreneeclaroxob0c
Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?
Answers: 3
Afilter has been designed to have a run length of 48 hr while operating at a filtration rate of 12 m...
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