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Sustainable Composting of Garden and Food Wastes in Higher Education Institution

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A Cerda, R Barrena, T Gea, M Ayilara, O Olanrewaju, O Babalola, O Odeyemi, C Girn-Rojas, E Gil, A Garcia-Ruiz, N Iglesias, B Marcello, V Gennaro, S Ferrini, S Pai, N Ai, J Zheng, C Bruni, Akyol, G Cipolletta, A Eusebi, D Caniani, S Masi, F Fatone, J Coln, J Martnez-Blanco, X Gabarrell, A Artola, A Snchez, J Rieradevall, X Font, J Gui, Y Sun, J Wang, X Chen, S Zhang, D Wu, L Rodrigues, I Puig-Ventosa, M Lpez, F Martnez, A Ruiz, T Bertrn, Z Li, H Lu, L Ren, L He, M Kumar, Y Ou, J Lin, M Chikae, R Ikeda, K Kerman, Y Morita, E Tamiya, M Islam, Q Wang, Y Guo, W Wang, S Sharmin, C Enyoh, I Esparza, N Jimnez-Moreno, F Bimbela, C Ancn-Azpilicueta, L Ganda, V Torrijos, D Dopico, M Soto

Summary

Researchers studied a decentralised domestic composting system for food and garden waste at a university campus in Lisbon over six months across nine composters, measuring pH, temperature, and volatile, fixed, and total solids to evaluate the feasibility of on-site composting in higher education institutions.

The preservation of resources and the promotion of sustainable economic growth must be achieved by replacing the concept of a linear economy with a circular one, based on decentralized recycling. Decantralised composting like domestic, and community is a biologic treatment for biowaste that can be applied in urban areas. Here, our main objective is to study the process of domestic composting of biowaste produced in food spaces and gardens on the Instituto Superior de Engenharia de Lisboa (ISEL) campus. Experimental data of pH, temperature, and solids (volatile, fixed, and total) was collected for 6 months in 9 composters (8 for food wastes and 1 for garden waste). Results are inline with previously published trends, showing that is possible to apply composting on the university campus.

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