MATERIAL FLOW ANALYSIS OF WASTE BANK ACTIVITIES IN INDONESIA: CASE STUDY OF MEDAN CITY

Aims: This study aims to investigate the material flow of waste bank activities in Medan Methodology and results: A semi-structured interview survey approach was conducted to collect the data. Applying MFA methodology, the result of this study found that of the total amount of the input material, 87.4% is a recyclable waste, and 12.6% is water. While, the waste bank activities generate 87.2% recyclable items, 12.6% wastewater and 0.2% residues. Conclusion, significance and impact study: The findings are essential to understand the use of resources in order to provide information for improving waste bank activities and waste management. This study found that the activities of waste banks are still traditional, which is lack of technology adoption. In the future, the waste bank should be more efficient and able to manage large amounts of wastes, because the potential for recyclable wastes is still available and abundant.