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1. State-of-the-art processes for metal recycling from spent LIBs can be divided into three types of processes: namely, pretreatment processes, metal-extraction processes, and product preparation processes. It is notable that metal-extraction processes play an important role in the entire recovery ...
One more important usage of MOF is the reduction of Pb leakage or recycling Pb from halide perovskites162. MOFs and their derivatives in ETLs TiO2, ZnO and SnO2 are the most used oxide-based ETL for perovskite solar cells. Cobalt-doped TiO2 based on MOFs were used as an efficient electron...
adsorption12, and precipitation13,14. Given these challenges and the need to meet sustainable metal recycling goals15,16, it is crucial to develop wastewater treatment techniques that can effectively break the metal-organic bonds in these complexes while concurrently recovering the valuable metal resourc...
several processes are implemented in extraction, recycling and recovery of heavy metals from the EW, most of them are not effective in recovering the precious metals. Various chemical processes are executed for efficient extraction of precious metals from e-wastes. Though the techniques are easy to...
As matrices for enzyme immobilization, MOFs can improve enzyme efficiency (Liu and Dinu2018; Yao et al.,2021), and have a high load capacity and the possibility of recycling. The high porosity of this matrix also allows the enzyme to diffuse into the pores or adsorb on its surface (Liu ...
Rare earth elements are widely used in chemical engineering, the nuclear industry, metallurgy, medicine, electronics, and computer technology because of their unique properties. To fulfil ever increasing demands for these elements, recycling of rare-earth-element-containing products as well as their rec...
However, in the S100% scenario, ICEVs cease to be sold in 2045, and from then on, PGMs are used exclusively for PHEVs and FCEVs only. Fig. 2: Annual and cumulative critical metal requirements and the closed-loop recycling potential of critical metals. a Annual demand and recycling ...
“top-down” and “bottom-up” based on the way of nanoparticle formation (Fig.1). In the “top-down” approach, the dimension of nanoparticles was larger and hence a mechanical method or the additions of acids are necessary to decrease the particle size of the nanoparticles. Generally, ...