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AbstractIn order to replace valuable natural gas presently used for pressure maintenance ADNOC is investigating capture of carbon dioxide (CO 2 ) from several flue gas sources and its transport to a developed field for Enhanced Oil Recovery (EOR). A study was commissioned to evaluate available technologies and determine the optimum technical and economic configuration for capture and delivery of high quality CO 2 for injection.Three flue gas sources for CO 2 , were considered, appropriate capture technologies were chosen and a formal licensor selection process was performed.Key considerations in selection of technology and licensors were existence of successful commercial applications and utilities requirements (natural gas, power and cooling water).The process configuration chosen involves placing the absorber equipment near the flue gas sources, with a common stripping operation located at a single site.The study also included design of compression and pipeline facilities to deliver dense-phase CO 2 to the nominated field, and booster pumps to raise the CO 2 to required injection pressure.The paper describes the process employed to select technologies and discusses the considerations involved to arrive at the final configuration.
Technology and Process SelectionThe main characteristics of flue gas that drive process decisions in CO 2 recovery for ADNOC are:
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