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Petroleum coke - Wikipedia
Needle coke, also called acicular coke, is a highly crystalline petroleum coke used in the production of electrodes for the steel and aluminium industries and is particularly valuable because the electrodes must be replaced regularly. Needle coke is produced exclusively from either FCC decant oil or coal tar pitch.
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2. Petroleum coke The physical properties and the fuel analysis of a petroleum coke depend upon the crude oil and the manner in which it was processed. Petroleum cokes - including delayed coke, fluid coke, needle coke, shot coke, and flexicoke - are byproducts of solid residuals from the refining process. Contact Supplier
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hardness of petroleum coke - shivampropertycoin. GENERATION OF PETROLEUM COKE IN THE REFINE OF HEAVY OILS AND , petroleum coke with a low volatile, high sulfur content, and variable hardness depending on the characteristics of the petroleum and on the operational . hardness needle coke - jillscityspanl
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Graphite Electrode Made From Needle Coke, ... Better Shore Hardness Graphit Electrode made in a real refractory Carbon Plant,UHP artificial carbon electrode. Get Price... Inspection, Assessment, and Repair of Coke Drums and ... and needle) and coke hardness showed no relation to the tendency for cracking and/or bulging.—
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Impact of Feed Properties and Operating Parameters on ...
Variable Fuel Coke Anode Coke Needle Coke Temperature, °F 910 - 930 925 - 950 925 - 950 Pressure, psig 15 typical 18 – 60+ 50 – 90+ Recycle Ratio 0 - 5% typical 0 – 50%+ 60 – 120%+ Coking Time, hours 9 -18 24 36 •Higher Temp lower coke VCM content •Low Pressure higher liquid yields / lower coke yield
STUDY ON PHYSICAL-CHEMICAL PROPERTIES OF PETROLEUM …
used. Coke products from a delayed coker are classified as shot, sponge or needle coke depending on their stone and physical characteristics. Shot coke, almost always solid as fuel is hard, having spherical form and physically produced through precipitating asphaltenes; sponge coke, mostly used for anode-grade is dull and
Cokes - carbonandgraphite.org
Needle coke. Needle coke is the commonly used term for a special type of coke with extremely high graphitizability resulting from a strong preferred parallel orientation of its turbostratic layer structure and a particular physical shape of the grains. Click here for the production process of needle coke. Typical needle coke properties.
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hardness of stone coke . stone coke hardness Catchcrusher.pw hardness of clinker due to usage of petcoke international cement > there is a concept due to usage of petcoke in clinker hardness … Contact Supplier Comparative Properties of Coal and Petcoke | Coke … Contact Supplier
COKE SELECTION CRITERIA FOR ABRASION RESISTANT …
COKE SELECTION CRITERIA FOR ABRASION RESISTANT GRAPHITIZED CATHODES Raymond Perruchoud1, 1Werner Fischer1, Markus Meier and Ulrich Mannweiler2 1 R&D Carbon Ltd., P.O. Box 362, 3960 Sierre, Switzerland 2 Mannweiler Consulting, 8006 Zürich, Switzerland Abstract The high abrasion rate of graphitized cathodes of high
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China Calcined Petroleum Coke Price 1character form Calcined petroleum coke is black or dark grey hard like solid material, with a metallic luster, a porous, is formed by the tiny graphite crystal grain, columnar or needle like a carbon precursor. hardness of petroleum coke - royalcrescentgroupin
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Petroleum coke is a process that involves steps such as ... controlled to insure adequate hardness of the green coke produced by the Coker. ... Needle coke appears as silver-gray crystalline needles and is derived from feedstocks with high aromatic hydrocarbon
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petroleum coke hardness. Green petroleum coke is primarily inorganic carbon with some entrained volatile hydrocarbon with the following characteristics: total hardness of 130 mg/L Petroleum coke Wikipedia Petroleum coke, abbreviated coke or petcoke, is a final carbonrich solid material that derives from oil refining, and is one type of the ...
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