2 B4 10125088 10125010 10125036 10125040 10125054 10125048 10125070 10125110 10125114 10165612

1

2jar testpHSS

31. (Coagulation and Flocculation)SS (floc)

SS

42050mV5mV

52. (rapid mixing)

(slow mixing)

63. (1) pHpH(2) (3) (4) 30pm(5) (6) (7)

74.

pHAl2(SO4)34.5~7.9(PAC)AlnCl(3n-m)(OH)m6.0~9.0FeCl35.0~11.0Fe2(SO4)38.0~8.5FeSO48.5~11.0CaO / CaCO37.5~11.0pH85. (aluminium sulphate)pHpH=4.57.9

Al2(SO4)318H2O + 3Ca(HCO3)2 2Al(OH)3 + 3CaSO4 + 6CO2 + 18H2O

9- (Chung Chuan Instruments Co. Ltd. CJ-600, 6)SS - (Whatman glass micro fibre filters Grade GF/A 47 mm) 6- 6- - Rocker 300- - - 1000mL 6- 1000mL- 25mL5mL- - pH (Denver Instrument UB-10)

10- - 10000 mg/L Al2(SO4)3- - H2SO4 NaOHpH

pHSSpHSS111. 1000mL

2. H2SO4NaOH6pH456789

3. 30mL Al2(SO4)3

4. 240rpm5520mLSS5.36.

SS (mg/L) =

1pH(mL)(g)(g)SS(mg/L)14.0201.49251.49428525.0201.44321.44362036.0201.44051.44071047.0201.46811.4681058.0201.44011.44167569.0201.44441.4454501SS2SS1. pH SS1SS0pHpH=4.56.5SS50mg/LpH=7SS06.572SSpH2. SS(PAC)2PAC6.09.0pH=7pH=7PACSSPACSS

3. 1000mL61000mL30mL25mL5mLpHpH0.5SS13min2060cm3001000s1 2030min2080s1

(propeller mixer)400~800rpm0.46m

(turbine mixer)3050%

1. Chapter 8: Wastewater Treatment Technologies, Development Document for the CWT Point Source Category, USA EPA.2. Chapter 12: Chemical Treatment, Wastewater Engineering, Dokuz Eylul University. 3. Coagulation & Flocculation, Centre for Ecological Sciences, Indian Institute of Science. 4. Jar Testing: Considerations and Procedure, New Mexico Raw Water Association. 5. 6. 7.