Economic Impact of NMMO Pretreatment on Ethanol and Biogas Production from Pinewood

Table 1

The process conditions for the equipment of NMMO pretreatment in Figure 2.

Equipment/; conditions	Preheater 1	Preheater 2	Pretreatment	Multistage solid wash	Evaporator 1	Flash drum 1	Evaporator 2	Flash drum 2	Compressor
Input (°C)	20	90	120	120^a, 45^b	87.3	79.8	79.8	90	100
Output (°C)	90	120	120	45^a, 62^b	79.8	79.8	90	90	170
Input (barg)	0	0	0.5	3	0	−0.78	−0.78	−0.97	0
Output (barg)	0	0.5	0.5	3	−0.78	−0.78	−0.97	−0.97	0.64

The temperature of main streams.
^bTemperature of washing water.