Advancing Green Construction through Synchrotron Analysis of Calcined Clay Concrete

The rapid advance of technologies is causing an alarming consumption of natural resources which eventually produces the reduction of high-grade ore reserves.
Circular economy from biological transformation can be an efficient and sustainable way of e-waste valorization. United Nations Environmental Program estimated
is the kind of waste which increases faster (3-5 % per year), which is nearly three times faster than the growth of municipal waste. Most of metals concentration in
e-waste is higher than those found in natural deposits. This fact demonstrates the importance of electronic waste as a possible source of raw materials and the
motivation to develop processes to recover these metals from them. Bio-hydrometallurgical processes has been developed as an alternative technology for
recovering metals from ores and concentrates.

技术的飞速发展正引发令人担忧的自然资源消耗，最终导致高品位矿石储量持续缩减。基于生物转化的循环经济模式，可作为电子废弃物（e-waste）资源化增值的高效可持续路径。联合国环境规划署（United Nations Environmental Program）估算，电子废弃物是增速最快的废弃物品类，年增长率达3%-5%，几乎是城市生活垃圾增速的三倍。电子废弃物中多数金属的品位高于天然矿床中的金属品位，这一事实凸显了电子废弃物作为潜在原料来源的重要价值，也为开发从电子废弃物中回收金属的工艺提供了研究动力。生物湿法冶金（Bio-hydrometallurgical）工艺已被开发为从矿石及精矿中回收金属的替代技术。