Food Waste to Energy: An Overview of Sustainable Approaches for Food Waste Management and Nutrient Recycling

Table 2

Anaerobic digestion processes of food waste for methane production.

Waste	Inoculum	Vessel type	Duration (d)	HRT (d)	CH4 yield (ml/g VS)	% CH4	References
FW	Cow manure	Bioreactor with .5 L working volume	29	1	530	70	[23]
FW	Anaerobic SS	Pilot scale 5 tons/d	90	NR	440	70	[24]
FW	Anaerobic SS	Bioreactor with 12 L working volume	60	20	NR	68.8	[25]
FW	SS	Bioreactor with 4.5 L working volume	200	1–27	520	90	[26]
FW	NR	900 m^3 tank volume	426	80	399	62	[27]
FW	Anaerobic SS	CSTR with 3 L working volume	225	16	455	NR	[28]
FW	NR	Digester with 800 ml working volume	30	Batch	410	66	[29]
FW	Anaerobic SS	Batch	28	10–28	440	73	[30]
FW	SS	CSTR with 10 L working volume	150	5	464	80	[31]
FW	Landfill soil and cow manure	Batch 5 L	60	20–60	220	NR	[32]