Abstract
A Calcium Looping Process (CLP) is an emerging approach for Carbon Capture and Utilization (CCU). It is essentially a CO2 capture process that utilizes calcium oxide (CaO) as a sorbent for the removal of CO2. A concentrated stream of CO2 (∼96%) that is suitable for storage and reuse is produced in this process. The objective of this work is to use mass and energy integration to couple CLP with industrial facilities and power plants in order to enhance industrial symbiosis and reduce cost via the chemical conversion of CO2 into value-added products. Special attention is given to plants that generate large amount of CO2 and/or provide excess heat that can be used in driving CLP. A case study is solved to assess the integration of CLP with candidate processes including power plants, cement production, gas-to-liquid (GTL) facility, and chemical plants for the production of ammonia, urea, polymer, methanol and acetic acid. The solution to the case study shows the merits integrating CLP with processing facilities.
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