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Anaerobic System More Effective For Treatment Of Livestock Wastewater-UPM

Article published by BERNAMA 4 Jan 2023

KUALA LUMPUR, Jan 4 (Bernama) – Case 1: In October last year, eight Department of Veterinary Services Malaysia (DVS)-licensed pig farms were identified as the source of the foul-smelling wastewater discharged onto the coast at Tanjung Sepat in Kuala Langat, Selangor.

Case 2: Last September, the Ministry of Environment and Water issued a notice to DVS directing it to monitor pig farms said to be causing pollution to Sungai Rambai in Lukut, Port Dickson, Negeri Sembilan.  

The above two were among a number of water contamination cases reported last year with the cause of the pollution traced to livestock farms and abattoirs, including those involved in slaughtering chickens and cows, whose unsustainable operations have resulted in the discharge of effluents and untreated animal faeces into the sea and rivers. 

In fact, livestock slaughterhouses have been identified as among the industries that use huge quantities of raw water and produce an equally substantial amount of wastewater “rich” in pollutants and pathogens.

In 2004, the United States Environmental Protection Agency classified slaughterhouse wastewater as one of the most hazardous wastes released into the environment as it is known to house a large number of harmful organic microorganisms.

In Malaysia, a group of researchers from the Faculty of Engineering, Universiti Putra Malaysia (UPM), recently carried out a special study to determine to what extent untreated wastewater from abattoirs can harm the environment. Associate Prof Dr Mohd Razif Harun, a researcher at the Department of Chemical and Environmental Engineering in the Faculty of Engineering, UPM, also participated in the study.

Among other things, the team found that the anaerobic wastewater treatment system has considerable advantages over the conventional aerobic system as the former yields methane gas, a biogas that has the potential for use as an alternative energy source, and high-quality effluents that can be turned into biofertilisers.

Full article 

https://www.bernama.com/en/b_focus/v2/news.php?id=2153130&fbclid=IwAR3M2g_UqLJSQf5RHlnoOV1gV1NkpwsbeGWgdCUf3mhM4S4p2r62IuxZrpc

 

 

 

Tarikh Input: 27/01/2023 | Kemaskini: 27/01/2023 | asrizam

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