Microwave radiation has the ability to heat a material with dielectric properties. Material
absorbs microwave energy and then converts it into heat, which gives the possibility of a …

Rapidly increasing plastics have been used and finally become wastes, resulting in
increasing pressures to the environment. Microwave-assisted pyrolysis is a promising …

Disposal of the waste from carbon fiber reinforced polymers (CFRPs) has become an urgent
problem due to the increasing application of CFRPs in many industries. A novel method for …

Current paper introduces the iron scrap as a sustainable, economic and efficient reducing
agent for cobalt, nickel, and lithium leaching from waste lithium ion batteries (LIBs). In this …

Separation of arsenic and extraction of zinc and copper from high-arsenic copper smelting
dust (HACSD) is one of the difficulties in the world. A two-stage countercurrent alkali …

With the reduction of available minerals, rare and precious metals recovered from waste are
gradually becoming an effective alternative to the circular economy. Supercritical CO 2 …

Although metals are fundamental to the economy and human well-being, natural ore
depletion is inevitable with the continuation of mining. Awareness of the importance of new …

Mineral leaching is the key unit operation in metallurgical processes and corresponds to the
dissolution of metals. The study of leaching is carried out in many areas, such as geology …

Recently, with the decrease in the quality of manganese resources, the efficient use of low-
quality manganese ore resources has attracted widespread attention. At present, pyrite is …

Traditionally, calcination or roasting in high temperatures are employed followed by
leaching, solvent extraction and precipitation to recover metals from spent catalysts. In this …