HEAVY OIL REFINING—2 (Conclusion): Analysis, appropriate steps can mitigate effects of coking fines

Scott Sayles Sim Romero KBC Advanced Technologies Inc. Houston This second, concluding article discusses the impact of fines in delayed-coker feedstocks and the steps that can improve reliability and profitability of the coking operation. The first article (OGJ, Jan. 7, 2013, p. 82) discussed the nature and sources of fines that enter the coking operation. Growth in the need to upgrade heavy crude oils, such as Athabasca bitumen and others, into synthetic crude oils and in the need to process heavier conventional crudes is increasing the use of coking. Fines, or solids, in delayed-coker feedstocks reduce the ability of the coker to utilize capacity fully. Impact There are always organic f...

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