Quantification and characterization of household waste in Dumai Timur District, Dumai City, Riau, Indonesia as a measure towards circular economy.

Abstract

Abstract Dumai City, located in Riau Province is the second largest city in Indonesia and is also currently facing problems with solid waste management as the population continues to grow. Dumai Timur District is the most populated district in Dumai City with 68.980 people. The Municipal Solid Waste (MSW) in Dumai Timur District- particularly the plastic waste, paper, and metal; is expected to have some economic potential if seen from the Circular Economy (CE) perspective. Therefore, this study is conducted to quantify and characterize the MSW generated in Dumai Timur District and to analyze the economic potential of inorganic solid waste. The number of solid waste sample was determined by SNI-19-3964-1994 method and carried out using simple random sampling. The results showed that the estimated total household waste generated in Dumai Timur District is 7.772.735,76 kg/year or approximately 0,31 kg/person/day waste generated on average. The three largest waste composition consisted of organic waste, plastic and paper that represents 68,02%; 12,26%; and 8,08 respectively. The economic potential value was estimated up to Rp 871.605.708,42.5.