Energy Integration in Wastewater Treatment Plants by Anaerobic Digestion of Urban Waste: A Process Design and Simulation Study

Table 2

Characterisation of the AD substrate and methane production in different scenarios.

Parameter	Unit	PS : WAS	PS : THWAS	PS : WAS : 80% OFMSW
		Scenario 1	Scenario 2	Scenario 3
Flow	m^3/d	350	350	550
OLR	kgVS/m^3d	2	2	3
Vr	m^3	8,750	8,750	13,750
TS	g/m^3	59,790	57,120	78,012
VS	g/m^3	40,220	37,750	63,812
COD	g/m^3	62,000	60,170	94,000
CODs	g/m^3	5,500	15,460	36,880
TKN	g/m^3	2,840	2,710	3,186
TAN	g/m^3	150	310	394
Methane	Nm^3/d	3,453	4,184	9,235
Specific methane prod.	m^3CH4/m^3Rd	0.39	0.48	0.65