Fate of specific pathogen indicator in extended aeration wastewater treatment plant, UTHM
Pathogen indicators normally used in water quality indicator because large numbers of the bacteria are always present in the faeces of humans, but are not naturally found in water. Since these bacteria don't live long in water once outside the intestine, their presence in water means there has...
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| Main Authors: | , |
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| 格式: | Thesis |
| 出版: |
2012
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| 主题: | |
| 在线阅读: | http://eprints.uthm.edu.my/6898/ http://eprints.uthm.edu.my/6898/1/STG_1083.pdf |
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| 总结: | Pathogen indicators normally used in water quality indicator because large numbers of
the bacteria are always present in the faeces of humans, but are not naturally found in
water. Since these bacteria don't live long in water once outside the intestine, their
presence in water means there has been recent contamination through effluent
discharges or other sources. Like other enteric pathogens, a common mode of
transmission for E.coli is via contaminated water, food and by direct person to person
contact. Infection often causes severe bloody diarrhea, abdominal cramps, and possibly
fever. In some cases, infection can lead to kidney failure and possibly death. In order to
evaluate the efficiency of extended aeration wastewater treatment plant (EAWWTP),
the microbial analysis such as enumeration of E.coli and total coliform were measured.
Besides, this study also involved the measurements of pH, turbidity, DO (Dissolve
Oxygen), BOD (Biochemical Oxygen Demand), COD (Chemical Oxygen Demand) and
SS (Suspended Solid). This study summarized that each treatment process gives
important roles to overall efficiency of EAWWTP. The secondary treatment was proved
sufficient not only on reducing pathogen indicators but for all examined parameters.
Significantly, this study conclude that numbers of pathogen indicators discharges in
effluent meet the regulated standard guideline after treated through the EAWWTP. |
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