Abstract
Surabaya has become one of the cities in Indonesia with the largest volume of solid waste. One way to reduce waste generation in Surabaya City is through waste banks. The number of waste banks in Surabaya is 374 units since 2012, with 0.55 ton/day or a 0.05% reduction effort against total waste. The non-organic municipal waste potential that can be utilized is 40% and the total waste reduction for non-organic waste is 0.13%. The unit price of each type of solid waste is one of the main factors in people’s willingness to sell their solid waste. The higher the price of the waste, the more revenue they will earn. This research is focused in South Surabaya where the greatest number of waste banks is located. Based on typical mass balance analysis, the total waste that can be reduced is 20% for compostable waste and 18.24% for non-compostable waste. Meanwhile, based on research, the total waste is reduced by 10.16% for compostable waste and only 0.343% for non-compostable waste. The reduction potential occurring through the waste bank activities is 0.146% of the total generation of 237,801.9 kg/day. The reduction percentage needs to be increased so that the volume of municipal waste can be suppressed. Therefore, there must be an effort to improve the performance of waste banks or to increase the number of waste bank units.
Highlights
The population of Surabaya City is increasing from year to year, and directly proportional to the amount of solid waste generated
South Surabaya is a medium density area where the waste generation value is considered as 0.7–0.8 kg/person/day [10]
The rate of waste generation obtained is different from the SNI, because the sampling https://doi.org/10.10 51/matecconf /201927606021 in this study was done for every home in several districts in South Surabaya
Summary
The population of Surabaya City is increasing from year to year, and directly proportional to the amount of solid waste generated. The volume of solid waste production in the city in the second quarter of 2016 was 9,593.71 m3/day, and the amount of solid waste handled in the landfill was 5,236.67 m3/day or 55% [3]. This is classified as the main problem because the land area of the Benowo Landfill is not well equipped to handle the entire solid waste of Surabaya City, so the potential for pollution is large, and solid waste is the second factor contributing to greenhouse gas emissions in Surabaya, and could, affect other aspects of environmental health.
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