| Author | Keliat, Nalsali |
| Call Number | AIT Thesis no. EV-80-8 |
| Subject(s) | Flocculation
|
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, school of Environment, Resources and Development |
| Publisher | Asian Institute of Technology |
| Abstract | Micro-floe adsorption equation was used to investigate the influence of mixing intensity on the reduction of the micro-floes in flocculation. By varying the raw water turbidity, paddle position, area and rotation rate,
the basic equation for micro-floe adsorption is acceptable, and the best results of effective mean rate of turbulent energy dissipation is given by 0 = -0.5.
Artificial raw water was used in this research by adding kaolinite
clay to the tap water, and alum was used as coagulant. The validity of micro-floe adsorption equation was compared to
Contact Flocculation equation and Camp's equation, k = 0.4 is used in Camp's equation, because the experimental unit was used without stator.
The value of effective energy dissipation is found to be 0.1 to
0.12 of the total energy dissipation. The prediction of floe volume at ultimate floe size distribution is also presented.
The best G-values for these experiments are in the range 36 to 46 s-1, compared to recommended value in the range 5 yo 100 s-1 |
| Year | 1980 |
| Type | Thesis |
| School | School of Environment, Resources, and Development |
| Chairperson(s) | Watanabe, Yoshimasa ; Nguyen, Cong Thanh
|
| Examination Committee(s) | Samorn Muttamara |
| Scholarship Donor(s) | United States Agency for International Development/
Regional Economic Development (USAID/RED) |
| Degree | Thesis (M.Eng.) - Asian Institute of Technology, 1980 |