Journal
SUSTAINABILITY
Volume 13, Issue 16, Pages -Publisher
MDPI
DOI: 10.3390/su13168896
Keywords
smartphone waste; collection center; extended maximal covering location problem; transportation route; mathematical model; tabu search
Funding
- BUDI DN Grant from the Lembaga Pengelola Dana Penelitian (LPDP), Ministry of Finance
- Ministry of Education and Culture, Republic of Indonesia [KET-193/LPDP.4/2020, 3190/UN1/DITLIT/DIT-LIT/PT/2021]
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Due to the lack of electronic waste collection facilities in all cities/regencies in Indonesia, a collection network is needed in Yogyakarta Province. The study designed a collection network to determine the number and location of collection centers and transportation routes for smartphone waste. This research is the starting point for managing smartphone waste, with further studies needed for sorting, recycling, repairing, or remanufacturing the waste.
Most people will store smartphone waste or give it to others; this is due to inadequate waste collection facilities in all cities/regencies in Indonesia. In Yogyakarta Province, there is no electronic waste collection facility. Therefore, an e-waste collection network is needed to cover all potential e-waste in the province of Yogyakarta. This study aims to design a collection network to provide easy access to facilities for smartphone users, which includes the number and location of each collection center and the route of transporting smartphone waste to the final disposal site. We proposed an extended maximal covering location problem to determine the number and location of collection centers. Nearest neighbor and tabu search are used in forming transportation routes. The nearest neighbor is used for initial solution search, and tabu search is used for final solution search. The study results indicate that to facilitate all potential smartphone waste with a maximum distance of 11.2 km, the number of collection centers that must be established is 30 units with three pick-up routes. This research is the starting point of the smartphone waste management process, with further study needed for sorting, recycling, repairing, or remanufacturing after the waste has been collected.
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