Carbon dioxide removal in indirect gasification - SGC

SGC Rapport 2013:277
4.2.3 Chilled ammonia............................................................................... 34
4.2.4 Potassium carbonate........................................................................ 34
4.3 Physical separation techniques............................................................... 35
4.3.1 Pressure Swing Adsorption............................................................... 35
4.3.2 Membrane separation....................................................................... 36
5 Models ......................................................................................................... 39
5.1 System model.......................................................................................... 39
5.2 Gasification models................................................................................. 40
5.3 CO2 separation models ........................................................................... 40
5.3.1 Water-scrubbing model..................................................................... 40
5.3.2 Amine absorption model ................................................................... 41
6 Case study................................................................................................... 46
6.1 Case 1 – 10 MWth.................................................................................... 46
6.2 Case 2 – 100 MWth.................................................................................. 47
6.3 Results .................................................................................................... 49
6.3.1 Case 1 – 10 MWth............................................................................. 50
6.3.2 Case 2 – 100 MWth ........................................................................... 52
6.3.3 On the absorption of inert gases....................................................... 57
6.4 Discussion............................................................................................... 60
6.5 Conclusions............................................................................................. 61
7 Results and discussion ................................................................................ 62
7.1 Future work ............................................................................................. 62
8 Conclusions ................................................................................................. 63
9 Acknowledgements...................................................................................... 64
10 Literature...................................................................................................... 65
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