Effect of Change in Plant Capacity towards Controllability of Biohydrogen Production Plant from Biomass

Table 5

ISE values for the set point change test in both plants with capacities A and B.

Controlled variables	Initial set point (°C)	Increment (°C)	New set point (°C)	ISE values
				Capacity A	Capacity B
Temperature inside gasifier	800	+50	850	1,062.43	4,202.27
Temperature inside char combustor	850	+50	900	429.19	2,776.15
Temperature of “flue gas out” stream	100	+20	120	83.15	136.10
Temperature of “gas out SMR” stream	800	+50	850	2,087.61	2,799.45
Temperature of “gas to WGS” stream	150	+20	170	189.22	620.80