Strengthening the water treatment system in the Paisadao water treatment plant, Ratchaburi, Thailand by incorporating a high-rate sedimentation filtration system and a water safety plan | |
| Author | Kiangdan Sripanya |
| Call Number | AIT Thesis no.EV-17-07 |
| Subject(s) | Water treatment plants--Thailand--Ratchaburi Water quality management Water-supply--Thailand--Ratchaburi Water-supply--Thailand--Ratchaburi |
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Environmental Engineering and Management |
| Publisher | Asian Institute of Technology |
| Series Statement | Thesis ; no. EV-17-07 |
| Abstract | The advent of modern technology and innovative options in the waterworks sector have enabled automatic operation of the system, not to mention high efficiency and better water quality. One such important technology is a high-rate sedimentation filtration system which was installed at Paisadao water treatment plant, Pak Tho district, Ratchaburi, Thailand. This study depicts the results of analysis and assessment of the HRSF system. It also highlights the performance of the newly added system in comparison to the conventional system. As a basis for the comparison, seven water quality parameters (pH, temperature, turbidity, alkalinity, Fe, Mn, and UV254) were analyzed for both the conventional and the HRSF system. It was observed that the latter performed better than or at least as good as the former. For example, the HRSF system was able to lower the turbidity of water to as low as 0.3 NTU, in comparison to 1 NTU by the conventional system. The removal efficiencies of other components were also better as well which was evident from the 81.64% to 93.05% removal of iron and 96.27% to 96.47% removal of manganese using HRSF. On the other hand, conventional technology allowed the removal of 51.32% to 76.87% and 71.6% to 80.39% removal of the same parameters respectively. Also, drinking unsafe water, particularly in developing countries, brought about human sickness and demise every year. The World Health Organization is recommending a water safety plan (WSP) for guaranteeing the protected drinking water, by utilizing exhaustive hazard appraisal approach. Consequently, the reason for this research is an advancement of WSP, which incorporates hazard identification, hazardous event and risk prioritization from the catchment to end-users in Pak Tho. There are a few information gathering techniques, for example, field perceptions, talking with a key person, household’s questionnaire, and water quality examination (turbidity, pH, and free available chlorine). In addition, information investigation was finished by utilizing risk priority and risk matrix approach (semi-quantitative matrix). The after effects of hazard identification to be introduced that 9 of 58 hazardous events could be considered as high and very high-risk appraisals. These hazardous events were brought to set up the control measures for avoiding, treating, and preventing all contaminations from the catchment to end-users. With respect to the water quality investigation at household’ sector, three critical parameters were followed up the PWA standard. As indicated by FAC concentration, all of the of the tap water tests were equivalent or more prominent than 0.2 mg/L. Conversely, 12 of 16 tests of water storage tanks were less free available chlorine concentration than standard. |
| Year | 2017 |
| Type | Thesis |
| School | School of Environment, Resources, and Development (SERD) |
| Department | Department of Energy and Climate Change (Former title: Department of Energy, Environment, and Climate Change (DEECC)) |
| Academic Program/FoS | Environmental Engineering and Management (EV) |
| Chairperson(s) | Visvanathan, C.; |
| Examination Committee(s) | Shipin, Oleg V.;Shrestha, Sangam; |
| Scholarship Donor(s) | Royal Thai Government Fellowship; |
| Degree | Thesis (M.Sc.) - Asian Institute of Technology, 2017 |