000007644 001__ 7644 000007644 005__ 20240531164757.0 000007644 02470 $$2doi$$a10.24868/issn.2515-818X.2020.001 000007644 035__ $$a4468647 000007644 037__ $$aGENERAL 000007644 245__ $$aRECAST - A system to decarbonise long-distance shipping 000007644 269__ $$a2020-10-05 000007644 336__ $$aConference Proceedings 000007644 520__ $$aRECAST could deliver decarbonisation of shipping with conventional engines, using lime as a sorbent and as part of the fuel for the ship. The system involves (i) on-land processing of limestone (CaCO3) to low-emissions lime (CaO) in a Calix LEILAC calciner, which can capture the process and heating CO2 emissions for minimal energy or operating penalty (www.project-leilac.eu ), and will be fuel agnostic, (ii) Sequestering the captured CO2 (CCS/CCU), (iii) Using the low-emissions lime to capture the CO2 from ship stacks (bunker fuel, marine diesel or LNG) using Calix’s Direct Capture Technology. NOx and SOx reductions are also being targeted with additives, (iv) Using the heat released by CaO recarbonation and fuel slip oxidation in the scrubber and engine waste heat to generate further motive power. Initial estimates suggest over a 1/4 increase in range per tonne of bunker fuel / LNG. Initial estimates indicate the cost of CO2 avoided could be as low as US$70/t, depending mainly on lime costs. The innovation is to bring these technologies together in RECAST at a commercial scale on a ship, in combination with zero emissions lime production on land. This paper describes the system, and the development steps by which it will be fully demonstrated. 000007644 542__ $$fCC-BY-4.0 000007644 6531_ $$aDecarbonisation of shipping 000007644 6531_ $$aLime as sorbent 000007644 6531_ $$aLime as additional energy 000007644 6531_ $$aExothermal reaction heat recovery 000007644 6531_ $$aNet zero CO2 000007644 6531_ $$aPollutant reduction 000007644 6531_ $$aReduce ocean acidity 000007644 6531_ $$aCalcium looping 000007644 6531_ $$aCarbon Capture & Storage 000007644 7001_ $$aSweeney, Brian 000007644 773__ $$tConference Proceedings of INEC 000007644 773__ $$jINEC 2020 000007644 789__ $$whttps://zenodo.org/record/4468647$$2URL$$eIsIdenticalTo 000007644 85641 $$uhttps://www.imarest.org/events/inec-2020$$yConference website 000007644 8564_ $$91604fc62-7ffa-40a5-9aa2-33fa7ce76778$$s990534$$uhttps://library.imarest.org/record/7644/files/INEC_2020_Paper_2.pdf