Chinese plant extracts critical rare metals from lithium waste in world first

500-tonne production line up and running for rubidium and caesium, critical to advanced technology including aerospace and quantum computing

A demonstration line in Jiangxi province – the world’s first with an annual capacity of 500 tonnes for continuous tower extraction and separation of low-grade rubidium and caesium – has achieved stable production, according to the Institute of Process Engineering under the Chinese Academy of Sciences (CAS).