What is the temperature at which coking starts in Delayed Coker?
Answers
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17/07/2019
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A:
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Joel Kaye, Retired from UOP & Tesoro, kaye13@gmail.com
Coking does not have a minimum start temperature, but the coke formation rate drops with decreasing temperature. At temperatures below 900 F coking occurs at slower rates.
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24/05/2019
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Sridhar Balakrishnan, Bharat Oman Refineries Limited , laksrid@yahoo.com
Generally coking starts at 450 to 500 deg. C . in delayed coker .
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21/05/2019
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A:
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Prabhakar Reddy, Suncor Energy, Inc., preddy@suncor.com
Typical target delayed coking furnace coil outlet temperatures ~ 930-940F, which give you a drum vapor outlet temperature of 820-830 F (unquenched vapor). You can target lower temperatures ~ 890-900F and you could end up with a tarry drum scenario. Low COT will also impacts your overall liquid yield.
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