Cov roj av coke uas muaj graphitized kuj muaj lub zog zoo, ua rau nws tuaj yeem ua kom ruaj khov hauv cov chaw nyuaj. Nws tiv taus kev hnav thiab rhuav, ua kom lub neej ua haujlwm ntev. Hauv kev lag luam hlau, nws yog ib qho khoom siv tseem ceeb rau kev tsim cov hlau zoo thiab cov hlau. Nws pab ua tiav cov khoom siv tshuaj lom neeg thiab lub cev ntawm cov khoom kawg. Qhov zoo ntawm cov roj av coke uas muaj graphitized yuav txawv nyob ntawm seb muaj pes tsawg yam xws li qhov chaw los ntawm roj av thiab cov txheej txheem ua cov roj. Cov qib zoo yog qhov nyiam rau cov ntawv thov tseem ceeb. Tsis tas li ntawd xwb, nws muaj ntau yam thiab tus nqi qis ua rau nws yog ib qho kev xaiv zoo rau ntau lub lag luam. Nws yog ib qho tseem ceeb hauv kev tsim ntau yam khoom lag luam, pab txhawb kev loj hlob thiab kev txhim kho ntawm ntau yam kev lag luam. Zuag qhia tag nrho, graphitized petroleum coke yog ib yam khoom tseem ceeb uas muaj ntau yam kev siv, ua tsaug rau nws txoj kev sib xyaw ua ke ntawm cov khoom thiab nws lub luag haujlwm hauv kev txhawb nqa cov txheej txheem kev lag luam.
