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Chapter 5 Superstructure Case Study: Pre-combustion CO2 Capture Synopsis PSA/VSA technology has been widely applied for H2 production from the effluent streams of a shift converter. It also offers significant advantages for pre-combustion CO2 capture in terms of performance, energy requirements and operating costs since the shifted synthesis gas (syngas) is available for separation at a high pressure with a high CO2 concentration. Most commercial PSA cycles recover H2 at very high purity, but do not focus on enriching the strongly adsorbed CO2. Thus, a major limitation exists with the use of these conventional PSA cycles for high purity CO2 capture. Novel PSA cycle designs are anticipated which recover both H2 and CO2 at a high purity. We demonstrate the superstructure approach for case studies related to pre- combustion CO2 capture. In particular, optimal PSA cycles are synthesized which maximize CO2 recovery or minimize overall power consumption. The results show the potential of the superstructure to predict PSA cycles with purities as high as 99% for H2 and 96% for CO2. Moreover, these cycles can recover more than 92% of CO2 with a power consumption as low as 46.8 kWh/tonne CO2 captured. Hence, this chapter demonstrates the versatility of the superstructure approach. Chapter 5. Superstructure Case Study: Pre-combustion CO2 Capture 72PDF Image | Design and Operation of Pressure Swing Adsorption Processes
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
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