The base cement plant simulation was also modified to integrate three different carbon capture processes: membrane indirect calcination and amine-scrubbing. The detailed carbonator model has been implemented using Matlab and incorporated into UniSim to provide a full flowsheet simulation for an exemplary dry-feed cement plant as a user-defined operation. Fully integrated process flowsheets have been developed and simulated in UniSim Design Suite from Honeywell. where the carbonator captures CO2 from flue gases and the calciner regenerates the CaCO3 into CaO by oxy-combustion. The Ca-looping process is comprised of two interconnected reactors. The calcium looping (Ca-looping) process has emerged as a leading option for this purpose, since this process applied to a cement plant provides an opportunity to use the CaO purge for clinker production. The first detailed systematic investigation of a cement plant with various carbon capture technologies has been performed.
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