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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]
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.
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]
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.
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.
Volumetric efficiency (VE) in internal combustion engine engineering is defined as the ratio of the equivalent volume of the fresh air drawn into the cylinder during the intake stroke (if the gases were at the reference condition for density) to the volume of the cylinder itself.
A motor fuel is a fuel that is used to provide power to the engine of motor vehicles — typically a heat engine that produces thermal energy via oxidative combustion of liquid or gaseous fuel and then converts the heat into mechanical energy through reciprocating pistons or gas turbines.
Gas emission. Coke oven interior: detail (1942, USA). The coke oven is the central element of a coking plant. Horizontal ovens, which are the most commonly used (they are suitable for monitoring the various extraction stages), take the form of narrow compartments (approx. 50 cm wide), but several meters high and several meters deep.