calcined coke

A petroleum coke or coal-derived pitch coke obtained by heat treatment of green coke to about $1600 K$ . It will normally have a hydrogen content of less than $0.1 wt.%$ .

Note:

Calcined coke is the main raw material for the manufacture of polygranular carbon and polygranular graphite products (e.g. carbon and graphite electrodes).

Source:

PAC, 1995, 67, 473 (Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)) on page 479