Abstract
Landfilling is one of the easiest methods to be applied in the management of municipal solid waste (MSW). In its development, bioreactor landfill methods that have various advantages over conventional landfill emerge. This experiment aims to study the use of bioreactor landfills for the management of organic waste in Jatibarang Landfill, Semarang-Indonesia. There are 4 bioreactor landfills operated: 2 anaerobic bioreactors with leachate recirculation and addition of water, and 2 aerobic bioreactors. Different results are shown from these two types of bioreactor, where aerobic bioreactors reach peak temperatures (55oC each) faster even though anaerobic bioreactors reach higher temperatures (60oC and 61oC respectively). Anaerobic bioreactors reach a higher final pH value than aerobes while the accumulation of nitrogen content from an aerobic bioreactor is 2 times higher than anaerobes.
Highlights
The Jatibarang Landfill, which is the final waste treatment facility in Semarang City, manages 4000 tons waste daily with a composition of 61.95% organic waste from the total municipal solid waste (MSW) produced
The aim of this study is to investigate the quality of leachate formed during the decomposition process of leaves and vegetables, which was obtained from Jatibarang landfill, using aerobic and anaerobic landfill bioreactor
Anaerobic and aerobic bioreactor landfills showed different results based on the parameters investigated
Summary
The Jatibarang Landfill, which is the final waste treatment facility in Semarang City, manages 4000 tons waste daily with a composition of 61.95% organic waste from the total municipal solid waste (MSW) produced. The Jatibarang Landfill still uses landfilling method as the waste management system, which still has an impact on the environment that affects water, soil, and air This method is still often used due to the consideration of its use in managing organic and inorganic waste and lowcost requirements [1], [2]. The biodegradation process that occurs in the bioreactor of landfills can be accelerated by reusing the leachate produced to be recirculated back into the reactor. With this recirculation leachate, the quantity and quality of the leachate produced can be improved and the production of methane gas can be optimized, which can be reused to become alternative renewable energy [3,4,5]. Renewable energy from methane gas can be used to support the daily activities of people living near landfill locations
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