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A thermal conversion process using the mass-flow lift principle to give continuous coke circulation; oilwetted particles of coke move downward into the reactor in which cracking, coking, and drying take place; pelleted coke, gas, gasoline, and gas oil are products of the process.

Related Terms


A noncatalytic, petroleum-refinery process charging C3 and C4 gases with naphtha or gas oil at high temperature to produce high-quality gasoline and fuel oil; mostly replaced by catalytic reforming; the prodTesting and Materials analysis of paraffins (P), olefins (O), naphthenes (N), and aromatics (A) in gasolines.


  1. Destructive distillation of coal to make coke
  2. A process for thermally converting the heavy residual bottoms of crude oil entirely to lower-boiling petroleum products and by-product petroleum coke.


A continuous cokemaking process that has a gasification section in which coke can be gasified to produce refinery fuel gas, allowing the production of both gas and coke in line with market requirements.


A porous-sided or screen-covered vessel used to screen solid particles out of liquid or gas streams.


1) Gas Oil 2) General Order - when U.S. Customs orders shipments without entries to be kept in their custody in a bonded warehouse.


A device for measuring the phase area fractions of oil, gas and water of a multiphase flow through a cross-section of a conduit.


A process used industrially to make high-test sodium cyanide by reacting sodium, glowed charcoal, and dry ammonia gas to form sodamide, which is converted to cyanamide immediately; the cyanamide is converted to cyanide with charcoal.


A process in which vapour boil-off from cargo tanks is condensed in a cargo condenser in which the coolant is a refrigerant gas such as R22 or equivalent. The refrigerant gas is then compressed and passed through a conventional sea water-cooled condenser.


Normal particles between 20 and 40 microns found in gear box and rolling element bearing oil samples observed by analytical ferrography. A sudden increase in the size and quantity of these particles indicates excessive wear.


The gas volume flow rate, relative to the oil volume flow rate, both converted to volumes at standard pressure and temperature.

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