500-tonne production line up and running for rubidium and caesium, critical to advanced technology including aerospace and quantum computing
3-MIN READ3-MINZhang Tongin BeijingPublished: 12:00pm, 15 Sep 2026Updated: 12:04pm, 15 Sep 2026China has launched a 500-tonne production line to extract rubidium and caesium from lithium waste.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).