TY - JOUR
T1 - Construction and demolition waste recycling in developing cities
T2 - management and cost analysis
AU - Ferronato, Navarro
AU - Fuentes Sirpa, Rocio Clara
AU - Guisbert Lizarazu, Edith Gabriela
AU - Conti, Fabio
AU - Torretta, Vincenzo
N1 - Publisher Copyright:
© 2022, The Author(s).
PY - 2023/2
Y1 - 2023/2
N2 - In Bolivia, construction and demolition waste (CDW) is unmanaged. The current research implemented a CDW flow analysis and a cost assessment in the city of La Paz, aiming to compare future recycling scenarios. Lack of data is challenging; therefore, a review of 31 international studies has been conducted. Results report that the waste generation rate (WGR) of concrete residential buildings can be of about 91.9–113.3 kg m−2 for construction and about 867.2–1064.8 kg m−2 for demolition. In addition, positive correlation was found in national WGR with number of inhabitants and the GDP. By these results, it was estimated that about 271,051–349,418 tonnes of CDW are potentially generated yearly in La Paz, about two times more than the CDW projected by local authorities. By the scenarios analysis, it was estimated that 56.1–71.1% of the inert aggregates can be recycled. The cost of the system is estimated between 7.8 and 31.1 USD tCDW−1, for a total annual cost (20 years horizon) of about 2.3–9 million USD y−1 depending on the management scenario. In the best scenario, an average fee of less than 1% of the current costs of a flat in La Paz can be required, potentially affordable for the local economy. The most attractive scenario involves the source separation of recyclable materials and the hybrid organization of stationary and mobile recycling facilities. Results show that a CDW management can be implemented in La Paz to foster a circular economy in developing cities.
AB - In Bolivia, construction and demolition waste (CDW) is unmanaged. The current research implemented a CDW flow analysis and a cost assessment in the city of La Paz, aiming to compare future recycling scenarios. Lack of data is challenging; therefore, a review of 31 international studies has been conducted. Results report that the waste generation rate (WGR) of concrete residential buildings can be of about 91.9–113.3 kg m−2 for construction and about 867.2–1064.8 kg m−2 for demolition. In addition, positive correlation was found in national WGR with number of inhabitants and the GDP. By these results, it was estimated that about 271,051–349,418 tonnes of CDW are potentially generated yearly in La Paz, about two times more than the CDW projected by local authorities. By the scenarios analysis, it was estimated that 56.1–71.1% of the inert aggregates can be recycled. The cost of the system is estimated between 7.8 and 31.1 USD tCDW−1, for a total annual cost (20 years horizon) of about 2.3–9 million USD y−1 depending on the management scenario. In the best scenario, an average fee of less than 1% of the current costs of a flat in La Paz can be required, potentially affordable for the local economy. The most attractive scenario involves the source separation of recyclable materials and the hybrid organization of stationary and mobile recycling facilities. Results show that a CDW management can be implemented in La Paz to foster a circular economy in developing cities.
KW - Circular economy
KW - Developing countries
KW - Latin America
KW - Solid waste management
KW - Sustainable development
KW - Waste flow analysis
UR - http://www.scopus.com/inward/record.url?scp=85141416042&partnerID=8YFLogxK
U2 - 10.1007/s11356-022-23502-x
DO - 10.1007/s11356-022-23502-x
M3 - Artículo
AN - SCOPUS:85141416042
SN - 0944-1344
VL - 30
SP - 24377
EP - 24397
JO - Environmental Science and Pollution Research
JF - Environmental Science and Pollution Research
IS - 9
ER -