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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 fluid catalytic cracking (FCC) decant oil or coal tar pitch.
Raw coke. Coke is a grey, hard, and porous coal-based fuel with a high carbon content. It is made by heating coal or petroleum in the absence of air. Coke is an important industrial product, used mainly in iron ore smelting, but also as a fuel in stoves and forges.
For gas oil, MCR provides a useful correlation in the manufacture of gas there from. [5] For delayed cokers, the MCR of the feed correlates positively to the amount of coke that will be produced. [7] For fluid catalytic cracking units, the MCR of the feed can be used to estimate the feed's coke-forming tendency. [8]
The solid coke is deposited and remains in the coke drum in a porous structure that allows flow through the pores. Depending upon the overall coke drum cycle being used, a coke drum may fill in 16 to 24 hours. After the first drum is full of the solidified coke, the hot mixture from the furnace is switched to the second drum.
For gas oil, Concarbon provides a useful correlation in the manufacture of gas there from. [4] For delayed cokers, the Concarbon of the feed correlates positively to the amount of coke that will be produced. [5] [6] For fluid catalytic cracking units, the Concarbon of the feed can be used to estimate the feed's coke-forming tendency. [7]
A fuel tank (also called a petrol tank or gas tank) is a safe container for flammable fluids, often gasoline or diesel fuel. Though any storage tank for fuel may be so called, the term is typically applied to part of an engine system in which the fuel is stored and propelled ( fuel pump ) or released (pressurized gas) into an engine .
For a substance X with a specific volume of 0.657 cm 3 /g and a substance Y with a specific volume 0.374 cm 3 /g, the density of each substance can be found by taking the inverse of the specific volume; therefore, substance X has a density of 1.522 g/cm 3 and substance Y has a density of 2.673 g/cm 3. With this information, the specific ...
Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives , detergents, dispersants , and, for multi-grade oils, viscosity index improvers .