知到答案Environmental Biotechnology智慧树答案_2022年

第五章

Secondary consumers in the activated sludge system include: ( ).
答案:predators;chemolithotrophic bacteria;prokaryotes
Which one of the following is the most popular reactor configurations being used in wastewater treatment these days ( ).
答案:Completely mixed
The conventional activated sludge system could remove BOD5 and suspended solids (SS) by ( ) percent or more for municipal sewage treatment.
答案:85
For a conventional design for the activated sludge treatment of domestic sewage, the F/M ratio suggested is 0.25 to 0.5 kg BOD5 per day per kg MLSS.（ ）
答案:对
In most situations, the electron donor, or the BOD, is rate limiting for microorganism reproduction and growth.（ ）
答案:对