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A 4-drum delayed coking unit in a petroleum refinery. A delayed coker is a type of coker whose process consists of heating a residual oil feed to its thermal cracking temperature in a furnace with multiple parallel passes. This cracks the heavy, long chain hydrocarbon molecules of the residual oil into coker gas oil and petroleum coke. [1] [2] [3]
There are three types of cokers used in oil refineries: delayed coker, fluid coker and flexicoker. [2] [3] The one that is by far the most commonly used is the delayed coker. The schematic flow diagram below depicts a typical delayed coker: A typical schematic flow diagram of a delayed coking unit
These processes are termed "coking processes", and most typically employ chemical engineering plant operations for the specific process of delayed coking. A delayed coking unit.A schematic flow diagram of such a unit, where residual oil enters the process at the lower left (see →), proceeds via pumps to the main fractionator (tall column at ...
Delayed Coking 46,500 FCC 115,000 Hydrocracking 70,000 Naphtha Reforming 146,000 Aklylation 16,300 ULSD Hydrotreating 97,000 Gasoline/Naphtha Hydrotreating 69,700 Kero Jet Hydrotreating 121,000 Naphtha Reformer Feed Hydrotreating 166,300 Heavy Gas Oil Hydrotreating 23,300 Isomerization (C5/C6) 38,600 Isomerization (C4) 14,600 Lubes 9,000
The refinery also consists of a naphtha hydrotreater, a catalytic reformer to produce gasoline, a hydrocracker, a diesel hydrotreater and a delayed coker. [7] [8] The capacity at the refinery is to be augmented to 7.8 MTPA and is to reach a final capacity of 15 MTPA by 2022–23. [3] [9] Exports of naphtha from the refinery began in 2012. [10]
Coker visited the campus on Wednesday, March 20, 2024, to talk cybersecurity jobs. Coker, who started in the job in December, is a military veteran from a family of veterans.
The facility will have 29 process units, such as a 9 MMTPA crude distillation unit, 4.8 MMTPA vacuum distillation unit, 1.8 MMTPA naphtha hydrotreater unit, a diesel hydrotreater unit at 4.1 MMTPA, a delayed coker unit with capacity 2.4 MMTPA, vacuum gas oil hydrotreater with a capacity of 3.5 MMTPA and a fluidised catalytic cracking unit of 2. ...
It contains the world’s largest residue catalytic cracking (RFCC) unit, allowing for 127,000 barrels of heavy residue to be upgraded into middle distillates every day. In 2018, the refinery opened a carbon black and delayed coker plant, producing up to 430,000 tons per year of anode-grade calcined coke and 40,600 tons per year of carbon black ...