研究目的
To determine the environmental impacts of a road luminaire, as well as the impact caused by its recycling in another end-of-life scenarios alternative to land?ll, using the LCA methodology.
研究成果
The study concludes that the greatest environmental impacts occur in the depletion of resources, primarily due to transport of components. It suggests the need for eco-design to reduce material use and localize component production to minimize transport impacts. The study also highlights the potential for recycling and reusing materials to reduce environmental impacts.
研究不足
The study is limited by the specific scenario of landfill deposit as the end-of-life scenario and focuses on a single model of LED luminaire. The analysis may be affected by the place where the study is carried out, impacting transport-related emissions.
1：Experimental Design and Method Selection
The study uses the Life Cycle Assessment (LCA) methodology to evaluate the environmental impact of a LED streetlight luminaire. The LCA is conducted according to the ISO 14040 standard, focusing on all phases of the luminaire's life cycle from manufacturing to disposal.
2：Sample Selection and Data Sources
The study analyzes a model LED streetlight luminaire, assembled in Spain and commercially distributed in the Iberian Peninsula and countries in the north shore of Africa. Data is provided by the manufacturer and verified with existing documentation.
3：List of Experimental Equipment and Materials
The luminaire includes components such as an aluminum heatsink housing, tempered glass screen, LED optical block with electronic control integrated, and an electric driver unit. Specific models and brands are mentioned for components like the LED model (High power LED XP-G3 by CREE) and the driver type (ELG-75-24B by Meanwell).
4：Experimental Procedures and Operational Workflow
The LCA involves quantifying inputs and outputs of the system evaluated, including material extraction, processing, manufacturing, distribution, use, and disposal. The study considers transport distances and modes (plane, lorry, van) for component assembly and distribution.
5：Data Analysis Methods
The analysis uses SimaPro 8.3 software with the EPS 2000 and CML-IA baseline methods to calculate environmental impacts. These methods assess impacts on ecosystem regeneration, human health, depletion of natural resources, and biodiversity.
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