Modeling and Control of Distillation Column in a Petroleum Process

Table 2

The steady state values of concentrations 𝑥_𝑛 and 𝑦_𝑛 on each tray.

Stage	Bottom	Tray 1	Tray 2	Tray 3	Tray 4	Tray 5	Tray 6	Tray 7
𝑥𝑛	0.0375	0.0920	0.1559	0.2120	0.2461	0.2628	0.2701	0.2731
𝑦𝑛	0.1812	0.3653	0.5120	0.6044	0.6496	0.6694	0.6776	0.6809
Stage	Tray 8	Tray 9	Tray 10	Tray 11	Tray 12	Tray 13	Tray 14	Distillate
𝑥𝑛	0.2811	0.3177	0.3963	0.5336	0.7041	0.8449	0.9369	0.9654
𝑦𝑛	0.6895	0.7256	0.7885	0.8666	0.9311	0.9687	0.9883	0.9937