月©大学 Tongji University Typical examples of the types of mixers used in water treatment facilities Mixing device Mixing time, (seconds) Applications/remarks Static in-line mixers, <1 Instantaneous mixing of chemicals like in-line mixers A13+,Fe3,Cl2,and cationic polymer High-speed induction <1 Same as the above mixers Pressurized water jets <1 In water treatment practice and for reclaimed water applications Turbine and propeller 2-20 Mixing of chemicals in solution feed mixers tanks <1 Chemicals to be mixed are introduced in Pumps the suction intake of the pumpTongji University Typical examples of the types of mixers used in water treatment facilities Mixing device Mixing time, (seconds) Applications/remarks Static in-line mixers, in-line mixers < 1 Instantaneous mixing of chemicals like Al3+, Fe3+, Cl2，and cationic polymer High-speed induction mixers < 1 Same as the above Pressurized water jets < 1 In water treatment practice and for reclaimed water applications Turbine and propeller mixers 2-20 Mixing of chemicals in solution feed tanks Pumps < 1 Chemicals to be mixed are introduced in the suction intake of the pump