Technology for Reduction of Coke yield and Increase in Distillate Yield Refineries all over the world are increasingly processing heavier crudes for maximization of refinery margins. As a result of this, Delayed Coking Units have gained importance for bottom of the barrel upgradation for improved profitability. However, high yield of low grade coke from the process is a bottleneck in improving the refinery margin further. To enhance the profitability in thermal cracking process, IndianOil R&D has developed Ind-Coker AT technology, for residue upgradation with lower coke make & superior distillate yields in comparison to a conventional Delayed Coker technology. Apart from significant improvement in the GRM, ease of integration with existing Delayed Coker unit & its implementation with minimum investment provide an additional advantage. Ind-Coker AT R Salient Technology Features Operational flexibility due to Dual mode operation (either Ind-Coker AT or Coker mode) Automatic Top & Bottom un-heading valve for enhanced safety Refinery waste sludge can be processed for its disposal

Ind-CokerAT R · conventional Delayed Coker technology. Apart from significant improvement in the GRM, ease of integration with existing Delayed Coker unit & its implementation with

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Page 1: Ind-CokerAT R · conventional Delayed Coker technology. Apart from significant improvement in the GRM, ease of integration with existing Delayed Coker unit & its implementation with

Technology for Reduction of Coke yieldand Increase in Distillate Yield

Refineries all over the world are increasingly processing heavier crudes for maximization of refinery margins. As a result of this, Delayed Coking Units have gained importance for bottom of the barrel upgradation for improved profitability. However, high yield of low grade coke from the process is a bottleneck in improving the refinery margin further. To enhance the profitability in thermal cracking

process, IndianOil R&D has developed Ind-CokerAT technology, for residue upgradation with lower coke make & superior distillate yields in comparison to a conventional Delayed Coker technology. Apart from significant improvement in the GRM, ease of integration with existing Delayed Coker unit & its implementation with minimum investment provide an additional advantage.

Ind-CokerAT R

Salient Technology Features Operational flexibility due to Dual mode operation (either Ind-CokerAT or Coker mode) Automatic Top & Bottom un-heading valve for enhanced safety Refinery waste sludge can be processed for its disposal

Dr. Reji MathaiIndian Oil Corporation Ltd, Research & Development CentreTel: +91-129-2294479E-mail: [email protected]

For more information, please contact

Major Benefits Reduction in Coke yield & increase in distillate yield compared to conventional Delayed Coker Unit Higher conversion of low-value residues to distillates with minimum capital investment Processing of wide range feedstocks - offers flexibility for enhancing refinery margin through

processing of cheaper crudes Cost effective technology can be add-on to any existing Delayed Coker Unit for better margins Technology can be provided for grassroot unit for better margins

Commercial Experience Wide operating experience with commercial Delayed Coker units Excellent technical support and troubleshooting expertise Commercially demonstrated in one of the IndianOil refineries with 3 MMTPA unit capacity (Coke

yield reduction by ~ 5.0 wt% with corresponding distillate yield increase by ~ 4.0 wt%)

Upcoming units Ind-CokerAT technology along with revamp of Delayed Coker of 0.662 MMTPA - commissioning in

one of the Indian refineries by 2021-22