K Sivagami, Siddharth Bose, Anil Kumar Vinayak, Malavika Sreenivas, Ahana Ghosh, Mukundan Narasimhan, Anand V P Gurumoorthy
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引用次数: 0
Abstract
Solar energy has emerged as a prominent contender in this arena, attracting significant attention across the globe. Governments worldwide have undertaken extensive efforts to encourage the adoption of renewable energy, increasing the usage of solar panels. Despite its benefits, the deployment of photovoltaic (PV) modules generates significant waste, thereby posing a major environmental challenge. This study explores several recycling techniques, including physical, thermal, and chemical methods, that could be employed to manage solar panel waste. An in-depth analysis of separation techniques presently employed and underdevelopment was studied and compared to determine the physical treatment necessary for the separation of glass and aluminium. Extraction of rare earth metals cadmium, copper and tellurium requires chemical treatments using organic and inorganic solvents along with thermal treatment at 500–600°C to remove the EVA polymer. Recovery of silicon wafers and rare metals through various metal extraction processes is further examined. Europe was concluded as a frontrunner in solar waste management policies after analysis of the governmental policies of developed and developing nations of the world. The circular economy model developed portrayed a systematic approach for the removal of different components of a solar panel and reintegration into the manufacturing process. The implementation of a robust circular economy for renewable energy systems is conditional upon the optimization of resource recovery while minimizing energy consumption and this serves as the governing framework of this review.
摘要太阳能已成为这一领域的主要竞争者，在全球范围内引起了极大的关注。世界各国政府已做出广泛努力，鼓励采用可再生能源，增加太阳能电池板的使用。尽管光伏（PV）组件好处多多，但在使用过程中会产生大量废弃物，从而对环境构成重大挑战。本研究探讨了几种可用于管理太阳能电池板废弃物的回收技术，包括物理、热和化学方法。通过对目前采用的和正在开发的分离技术进行深入分析和比较，确定了分离玻璃和铝所需的物理处理方法。稀土金属镉、铜和碲的提取需要使用有机和无机溶剂进行化学处理，同时在 500-600°C 下进行热处理以去除 EVA 聚合物。通过各种金属萃取工艺回收硅晶片和稀有金属的问题也得到了进一步研究。在对世界发达国家和发展中国家的政府政策进行分析后，欧洲被认为是太阳能废物管理政策的领先者。所开发的循环经济模型描绘了一种系统方法，用于去除太阳能电池板的不同组件并将其重新整合到制造流程中。在可再生能源系统中实施稳健的循环经济，其条件是在最大限度减少能源消耗的同时优化资源回收，这也是本综述的指导框架。
期刊介绍：
Applied Solar Energy is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.
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