Petroleum coke
The glossary of statistical terms, published by the Organisation for Economic Co-operation and Development (OECD), defines petroleum coke as a: ‘…black solid residue, obtained mainly by cracking and carbonising of petroleum derived feedstocks, vacuum bottoms, tar and pitches in processes such as delayed coking or fluid coking. It consists mainly of carbon (90 to 95 per cent) and has a low ash content. It is used as a feedstock in coke ovens for the steel industry, for heating purposes, for electrode manufacture and for production of chemicals.’
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