Model Sistem Dinamik untuk Evaluasi Skenario Pengelolaan Sampah di Kota Depok

*Ika Artika  -  Kementerian Pekerjaan Umum dan Perumahan Rakyat, Indonesia
Mochammad Chaerul orcid scopus  -  Program Studi Teknik Lingkungan, Fakultas Teknik Sipil dan Lingkungan, Institut Teknologi Bandung, Indonesia
Received: 22 Apr 2020; Published: 31 Dec 2020.
Open Access Copyright (c) 2020 Jurnal Wilayah dan Lingkungan
Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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Abstract

One of the Government's programs to achieve the target of the National Waste Management Policy and Strategy is to build a regional landfill. To support regional landfill operations, Local Governments that utilize regional landfill need to prepare policies and strategies to optimize waste management services in their area. Depok city is one of four cities that will served by Nambo Regional Landfill. The study aims to analyze various alternative policy scenarios to optimize waste management services in Depok city and determine their effects on the amount of waste transported to Nambo regional landfill. The policy analysis method used is a simulation model with a dynamic system approach. The simulation is conducted from 2020 to 2045. There are four scenarios, namely business as usual scenario, scenario A for the optimization of existing waste treatment facilities, scenario B that is based on local waste management policies and strategies, and scenario C for achieving target of 30 % waste reduction. Simulation results show the waste generation in 2045 is estimated at 3,426 tons/day. Results from all scenarios still show that the amount of waste sent to landfill exceeds the maximum waste input to Nambo regional landfill. From scenario C, the amount of waste that needs to be processed in the local landfill in 2045 is at least 1,180 tons/day. Depok City has a huge amount of waste and will continue to increase, so it is necessary to add waste treatment facilities and local landfill for the next 26 years. Landfill needs can be reduced by increasing waste treatment, but it requires greater waste management costs.

Keywords: model simulation; municipal solid waste; system dynamics; waste management

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