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    furnace electrodes impregnated needle coke - RP 200mm ...

    furnace electrodes impregnated needle coke - RP 200mm ...

    Arc furnace electrode is a conductor that releases electrical energy to heat and melts the charge in the form of an electric arc in an electric arc furnace. Using coal pitch as a binder, the graphite electrode for Arc furnace which is mainly made of petroleum coke and needle coke is being made through the Read more…

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    Needle coke for graphite electrodes and process for producing ...

    Needle coke for graphite electrodes and process for producing ...

    3. a process for producing the needle coke for graphite electrodes, comprising spraying or impregnating a green coke produced by delayed coking from at least one of petroleum and coal heavy oils used as a coke material with a suspension or a solution of the substance in which a softening point, or melting point, or a temperature at which it ...

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    EP1065189A1 - Process for the preparation of needle coke for ...

    EP1065189A1 - Process for the preparation of needle coke for ...

    This invention relates to a process for preparing needle coke for graphite electrodes which comprises treating coal- tar or petroleum-based needle coke with a solution or suspension of iron oxide or a compound forming iron oxide by undergoing reaction or decomposition upon heating with coke until adhesion of 0.1 to 15% by weight of the iron compound to the needle coke before kneading with ...

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    WO1999037595A1 - Process for the preparation of needle coke ...

    WO1999037595A1 - Process for the preparation of needle coke ...

    A process for the preparation of needle coke for graphite electrodes, characterized by treating coal or petroleum needle coke, prior to the mixing thereof with a binder pitch, with a solution or suspension of an iron oxide or a compound which can be converted into an iron oxide through a reaction or decomposition when heated together with the coke to thereby incorporate 0.1 to 15 wt.% of the ...

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    CN1289316A - Process for the preparation of needle coke for ...

    CN1289316A - Process for the preparation of needle coke for ...

    A process for the preparation of needle coke for graphite electrodes, characterized by treating coal or petroleum needle coke, prior to the mixing thereof with a binder pitch, with a solution or suspension of an iron oxide or a compound which can be converted into an iron oxide through a reaction or decomposition when heated together with the coke to thereby incorporate 0.1 to 15 wt.% of the ...

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    Graphite Electrode - an overview | ScienceDirect Topics

    Graphite Electrode - an overview | ScienceDirect Topics

    Graphite electrodes. Graphite electrodes serve to transfer the electrical energy from the power supply to the steel melt in the EAF bath. They are typically made using premium petroleum needle coke, coal tar pitch, and some additives (Fruehan, 1998 ).

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