Figure 1. Stages of a composting system. Solution boundaries exclude activities upstream and downstream of centralized MSW composting such as waste collection and compost application. Modified from Kawai et al. (2020) and Manea et al. (2024).
Sources: Kawai, K., Liu, C., & Gamaralalage, P. J. D. (2020). CCET guideline series on intermediate municipal solid waste treatment technologies: Composting. United Nations Environment Programme; Manea, E. E., Bumbac, C., Dinu, L. R., Bumbac, M., & Nicolescu, C. M. (2024). Composting as a sustainable solution for organic solid waste management: Current practices and potential improvements. Sustainability, 16(15), Article 6329.