Abstract
Slaughterhouses generate large volumes of highly polluted wastewater composed
mainly of large amounts of organic and inorganic pollutants as well as solids which
pose a threat to the environment. Fresh undiluted wastewater was collected twice a day
for a period of six weeks from a chicken slaughterhouse located in a suburb area to
investigate the properties of slaughterhouse wastewater. The average results indicated
very high pollutant levels of selected water quality parameters such as pH, COD, BOD,
TSS, TDS, colour, turbidity, total coliform and NH3-N which were 7.17, 4979 mg/L,
1360 mg/L, 515 mg/L, 545 mg/L, 14,163 PtCo, 697 NTU, 1.2 × 108 CFU/100mL and
110 mg/L, respectively. These results were compared with the values stated by
Malaysia Environmental Quality Regulation (2000) for effluent discharge. It can be
concluded that most of the parameters are not suitable for direct discharge to the water
streams without prior treatment. It is however recommended for most abattoir
wastewater to be discharged separately from the community sewerage systems or
treated separately as hazardous wastewater as a way of reducing some of the dangers
imminent in the reuse of such wastewater and also clogging of sewerage pipes.
Nik Norsyahariati Nik Daud, Sandra Chinenyenwa Anijiofor. (2018) Chicken Slaughterhouse Wastewater Disposal: The Challenges Ahead, Asian Journal of Agriculture and Biology, Volume 6, Special Issue.
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