Coagulation process, which is the combination of agglomeration and flocculation, is mainly used to remove colloids.

Coagulation process, which is the combination of agglomeration and flocculation, is mainly used to remove colloids. A: 正确 B: 错误

To avoid the flocs being destroyed, the number of grids should be decreased as well as the size of grids should be increased with increasing the flocculation time during the coagulation process.

The hydraulic condition of the rotary baffle plate flocculation tank is better than that of the reciprocating type， and head loss of the rotary type is 40% less than that of the reciprocating type。 （ ）

To avoid the flocs being destroyed, the number of grids should be decreased as well as the size of grids should be increased with increasing the flocculation time during the coagulation process. A: 正确 B: 错误

水通过多孔性物质层或合适孔径的滤网以除去悬浮微粒的过程称为( )。 A: flocculation B: filtration C: disinfection D: floatation

絮凝(flocculation)是指在某些高分子絮凝剂存在下，基于架桥作用，使细胞聚集形成粗大的絮凝团的过程。 A: 正确 B: 错误

中国大学MOOC: 絮凝(flocculation)是指在某些高分子絮凝剂存在下，基于架桥作用，使细胞聚集形成粗大的絮凝团的过程。

Which of the following measure could not improve the settling efficiency in sedimentation tank？ （ ）。 A: To increase the surface area of the tank B: To increase the flow rate C: To improve the performance of flocculation before sedimentation D: To recycle the sludge to improve the size of particles