Abstract
The worldwide increasing amount of municipal solid waste causes a major problem in managing waste as well as requires an effective solution to manage the waste generation. In Malaysia, landfilling is the main alternative technique for managing solid waste. In the same way, the main advantage of having a landfill is that it is easy to operate and comparatively lower in cost. Thus, in Malaysia, total 296 municipal solid waste landfills are open to overcome this issue. Drawbacks of landfilling can includes; i) generation of noxious gases, ii) leachate wastewater contamination of both ground and surface water, iii) problems such as odor, noise, and dust, iv) attraction of disease vectors and, v) the requirement for considerable land area. This present research study focuses on the characterization of Simpang Renggam Landfill (SRLS) Site such as its organic constitutes (mg/L), Ammoniacal Nitrogen (mg/L), SS (mg/L), BOD5/COD, BOD5 (mg/L), and pH. All the analyzed results were compared with the past researchers’ researches and also were compared with Malaysian Environmental Quality Act 1974. From the results, it is concluded that the Simpang Renggam Landfill Site was characterized old (stabilized) landfill leachate wastewater with BOD5/COD > 0.1. For the SRL site, it is recommended that physical-chemical method is better fitted for the leachate wastewater treatment and the aerated lagoon technique does not support the treatment of aging leachate.
Highlights
The complexities of solid waste management increase day by day
Our study investigated six parameters such as organic constitutes, Ammoniacal Nitrogen, Suspended Solid (SS), Power of Hydrogen (pH), Biological Oxygen Demand (BOD), and BOD5/Chemical Oxygen Demand (COD) which were determined and analyzed from the Simpang Renggam landfill site
The results show that the value of COD and BOD5 demonstrate that the leachate is clearly stabilized
Summary
The complexities of solid waste management increase day by day. Many countries are struggling to implement a cost-effective and environmentally sustainable solution. Municipal Solid Waste (MSW) is generated from different sources including residential waste, commercial waste, institutional waste, and industrial waste sources. It does not include such things as construction wastes, auto mobile bodies, municipal sludges, combustion ashes, and industrial process wastes even though these wastes might be disposed of in a municipal waste landfill or incinerator [5,6,7]. Few common techniques are used as an alternative to the management of solid waste disposal, such as open dumping, incinerator, compaction, milling, gridding, drainage discharging, facilities [13,14,15,16]. Biodegradable ratio of young leachate include less than 1 year old, intermediate leachate (1-5 years) and old (stabilized) leachate (>5 years) were reported as 0.5-1.0, 0.1-0.55, and
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